LTE link flaps

Hi everyone,

I bought a **KNOT Embedded LTE4 EU version and have my LTE link flaps, does anyone know why it does it?

2026-07-12 10:20:14 lte,async,raw lte1: sent AT+QENG="servingcell"
2026-07-12 10:20:14 lte,async,raw lte1: rcvd +QENG: "servingcell","NOCONN","LTE","FDD",505,02,160BB0B,84,1725,3,4,4,E0A0,-90,-14,-58,13,-
2026-07-12 10:20:16 lte,packet lte1 qmi: qmux0: rx: >>>  client id: #1 transaction: 0x0
2026-07-12 10:20:16 lte,debug lte1 qmi: >>> NAS - [notify] SERVING_SYSTEM
2026-07-12 10:20:16 lte,packet lte1 qmi:  tlv: 01:01020202 0108
2026-07-12 10:20:16 lte,packet lte1 qmi:  tlv: 11:010b
2026-07-12 10:20:16 lte,debug lte1 qmi: state: running => packet service detached
2026-07-12 10:20:16 lte,account lte1 session: 57320s 313897146/41991772 bytes 305145/216449 packets
2026-07-12 10:20:16 interface,info lte1 link down
2026-07-12 10:20:16 lte,debug lte1 qmi: <<< WDS - STOP_NETWORK_IFACE
2026-07-12 10:20:16 lte,packet lte1 qmi:  tlv: 01:e00efb86
2026-07-12 10:20:16 lte,packet lte1 qmi: qmux0: tx: <<<  client id: #2 transaction: 0x5
2026-07-12 10:20:16 lte,packet lte1 qmi: qmux0: rx: >>>  client id: #1 transaction: 0x0
2026-07-12 10:20:16 lte,debug lte1 qmi: >>> NAS - [notify] SYS_INFO_IND
2026-07-12 10:20:16 lte,packet lte1 qmi:  tlv: 12:000000
2026-07-12 10:20:16 lte,packet lte1 qmi:  tlv: 13:000000
2026-07-12 10:20:16 lte,packet lte1 qmi:  tlv: 14:020200
2026-07-12 10:20:16 lte,packet lte1 qmi:  tlv: 19:01040103 01000100 00ffff01 0bbb6001
2026-07-12 10:20:16 lte,packet lte1 qmi: 00000001 35303530 32ff01a0 e0
2026-07-12 10:20:16 lte,packet lte1 qmi:  tlv: 1e:ffff
2026-07-12 10:20:16 lte,packet lte1 qmi:  tlv: 27:00
2026-07-12 10:20:16 lte,packet lte1 qmi:  tlv: 28:01000000
2026-07-12 10:20:16 lte,packet lte1 qmi:  tlv: 30:00000000
2026-07-12 10:20:16 lte,packet lte1 qmi:  tlv: 32:00000000
2026-07-12 10:20:16 lte,packet lte1 qmi:  tlv: 35:ffff
2026-07-12 10:20:16 lte,packet lte1 qmi:  tlv: 3a:01000000
2026-07-12 10:20:16 lte,packet lte1 qmi:  tlv: 3f:00000000
2026-07-12 10:20:16 lte,packet lte1 qmi:  tlv: 45:03000000
2026-07-12 10:20:16 lte,packet lte1 qmi:  tlv: 47:04000000
2026-07-12 10:20:16 lte,packet lte1 qmi: qmux0: rx: >>>  client id: #1 transaction: 0x0
2026-07-12 10:20:16 lte,debug lte1 qmi: >>> NAS - [notify] SERVING_SYSTEM
2026-07-12 10:20:16 lte,packet lte1 qmi:  tlv: 01:01010102 0108
2026-07-12 10:20:16 lte,packet lte1 qmi:  tlv: 11:010b
2026-07-12 10:20:16 lte,packet lte1 qmi: qmux0: rx: >>>  client id: #1 transaction: 0x0
2026-07-12 10:20:16 lte,debug lte1 qmi: >>> NAS - [notify] SYS_INFO_IND
2026-07-12 10:20:16 lte,packet lte1 qmi:  tlv: 12:000000
2026-07-12 10:20:16 lte,packet lte1 qmi:  tlv: 13:000000
2026-07-12 10:20:16 lte,packet lte1 qmi:  tlv: 14:020200
2026-07-12 10:20:16 lte,packet lte1 qmi:  tlv: 19:01030103 01000100 00ffff01 0bbb6001
2026-07-12 10:20:16 lte,packet lte1 qmi: 00000001 35303530 32ff01a0 e0
2026-07-12 10:20:16 lte,packet lte1 qmi:  tlv: 1e:ffff
2026-07-12 10:20:16 lte,packet lte1 qmi:  tlv: 21:00
2026-07-12 10:20:16 lte,packet lte1 qmi:  tlv: 27:00
2026-07-12 10:20:16 lte,packet lte1 qmi:  tlv: 28:01000000
2026-07-12 10:20:16 lte,packet lte1 qmi:  tlv: 2a:00
2026-07-12 10:20:16 lte,packet lte1 qmi:  tlv: 2b:00000000
2026-07-12 10:20:16 lte,packet lte1 qmi:  tlv: 30:00000000
2026-07-12 10:20:16 lte,packet lte1 qmi:  tlv: 32:00000000
2026-07-12 10:20:16 lte,packet lte1 qmi:  tlv: 35:ffff
2026-07-12 10:20:16 lte,packet lte1 qmi:  tlv: 39:03000000
2026-07-12 10:20:16 lte,packet lte1 qmi:  tlv: 3a:01000000
2026-07-12 10:20:16 lte,packet lte1 qmi:  tlv: 3f:00000000
2026-07-12 10:20:16 lte,packet lte1 qmi:  tlv: 45:03000000
2026-07-12 10:20:16 lte,packet lte1 qmi:  tlv: 47:04000000
2026-07-12 10:20:16 lte,packet lte1 qmi: qmux0: rx: >>>  client id: #1 transaction: 0x0
2026-07-12 10:20:16 lte,debug lte1 qmi: >>> WDS - [notify] EXTENDED_IP_CONFIG
2026-07-12 10:20:16 lte,packet lte1 qmi:  tlv: 10:00200000
2026-07-12 10:20:16 lte,packet lte1 qmi: qmux0: rx: >>>  client id: #2 transaction: 0x5
2026-07-12 10:20:16 lte,debug lte1 qmi: >>> WDS - STOP_NETWORK_IFACE
2026-07-12 10:20:16 lte,packet lte1 qmi:  tlv: 02:00000000
2026-07-12 10:20:16 lte,packet lte1 qmi: qmux0: rx: >>>  client id: #2 transaction: 0x0
2026-07-12 10:20:16 lte,debug lte1 qmi: >>> WDS - [notify] PKT_SRVC_STATUS
2026-07-12 10:20:16 lte,packet lte1 qmi:  tlv: 01:0100
2026-07-12 10:20:16 lte,packet lte1 qmi:  tlv: 10:0200
2026-07-12 10:20:16 lte,packet lte1 qmi:  tlv: 11:0300d007
2026-07-12 10:20:16 lte,packet lte1 qmi:  tlv: 12:04
2026-07-12 10:20:16 lte,packet lte1 qmi: qmux0: rx: >>>  client id: #1 transaction: 0x0
2026-07-12 10:20:16 lte,debug lte1 qmi: >>> WDS - [notify] PKT_SRVC_STATUS
2026-07-12 10:20:16 lte,packet lte1 qmi:  tlv: 01:0100
2026-07-12 10:20:16 lte,packet lte1 qmi:  tlv: 10:0200
2026-07-12 10:20:16 lte,packet lte1 qmi:  tlv: 11:0300d007
2026-07-12 10:20:16 lte,packet lte1 qmi:  tlv: 12:04
2026-07-12 10:20:17 lte,async,raw lte1: sent AT+QENG="servingcell"
2026-07-12 10:20:17 lte,async,raw lte1: rcvd +QENG: "servingcell","NOCONN","LTE","FDD",505,02,160BB0B,84,1725,3,4,4,E0A0,-90,-16,-54,8,-
2026-07-12 10:20:20 lte,async,raw lte1: sent AT+QENG="servingcell"
2026-07-12 10:20:20 lte,async,raw lte1: rcvd +QENG: "servingcell","NOCONN","LTE","FDD",505,02,160BB0B,84,1725,3,4,4,E0A0,-91,-13,-60,15,-
2026-07-12 10:20:38 lte,async,raw lte1: sent AT+QENG="servingcell"
2026-07-12 10:20:38 lte,async,raw lte1: rcvd +QENG: "servingcell","NOCONN","LTE","FDD",505,02,160BB0B,84,1725,3,4,4,E0A0,-92,-14,-57,3,-
==================
2026-07-12 10:21:56 lte,async,raw lte1: sent AT+QENG="servingcell"
2026-07-12 10:21:56 lte,async,raw lte1: rcvd +QENG: "servingcell","NOCONN","LTE","FDD",505,02,160BB0B,84,1725,3,4,4,E0A0,-91,-17,-55,15,38
2026-07-12 10:21:59 lte,async,raw lte1: sent AT+QENG="servingcell"
2026-07-12 10:21:59 lte,async,raw lte1: rcvd +QENG: "servingcell","NOCONN","LTE","FDD",505,02,160BB0B,84,1725,3,4,4,E0A0,-91,-13,-58,14,38
2026-07-12 10:22:16 lte,error lte1 forced reconfiguration due to difficulty setting link up
2026-07-12 10:22:16 lte,error lte1 forced reconfiguration due to difficulty setting link up
2026-07-12 10:22:16 lte,debug lte1 qmi: state: packet service detached => configuring
2026-07-12 10:22:16 lte,debug lte1 qmi: state: configuring => radio off
2026-07-12 10:22:16 lte,debug lte1 qmi: set radio state: low power
2026-07-12 10:22:16 lte,debug lte1 qmi: <<< DMS - SET_OPERATING_MODE
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 01:01
2026-07-12 10:22:16 lte,packet lte1 qmi: qmux0: tx: <<<  client id: #1 transaction: 0x33
2026-07-12 10:22:16 lte,packet lte1 qmi: qmux0: rx: >>>  client id: #1 transaction: 0x33
2026-07-12 10:22:16 lte,debug lte1 qmi: >>> DMS - SET_OPERATING_MODE
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 02:00000000
2026-07-12 10:22:16 lte,debug lte1 qmi: state: radio off => idle
2026-07-12 10:22:16 lte,debug lte1 qmi: <<< UIM - ATTR_REQ
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 01:01
2026-07-12 10:22:16 lte,packet lte1 qmi: qmux0: tx: <<<  client id: #1 transaction: 0x34
2026-07-12 10:22:16 lte,packet lte1 qmi: qmux0: rx: >>>  client id: #1 transaction: 0x34
2026-07-12 10:22:16 lte,debug lte1 qmi: >>> UIM - ATTR_REQ
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 02:00000000
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 11:01
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 10:183b9f97 c00a3fc6 828031e0 73fe211f
2026-07-12 10:22:16 lte,packet lte1 qmi: 65d0025b 1553810f 7f
2026-07-12 10:22:16 lte,debug lte1 qmi: <<< UIM - SLOTS_STATUS
2026-07-12 10:22:16 lte,packet lte1 qmi: qmux0: tx: <<<  client id: #1 transaction: 0x35
2026-07-12 10:22:16 lte,packet lte1 qmi: qmux0: rx: >>>  client id: #1 transaction: 0x35
2026-07-12 10:22:16 lte,debug lte1 qmi: >>> UIM - SLOTS_STATUS
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 02:00000000
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 11:02020000 0002183b 9f97c00a 3fc68280
2026-07-12 10:22:16 lte,packet lte1 qmi: 31e073fe 211f65d0 025b1553 810f7f01
2026-07-12 10:22:16 lte,packet lte1 qmi: 00000000 000000
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 10:02020000 00010000 00010a98 16200652
2026-07-12 10:22:16 lte,packet lte1 qmi: 14951129 f6010000 00000000 000100
2026-07-12 10:22:16 lte,debug lte1 qmi: slot #0 state: esim
2026-07-12 10:22:16 lte,debug lte1 qmi: slot #1 state: empty
2026-07-12 10:22:16 lte,debug lte1 qmi: <<< UIM - GET_CARD_STATUS
2026-07-12 10:22:16 lte,packet lte1 qmi: qmux0: tx: <<<  client id: #1 transaction: 0x36
2026-07-12 10:22:16 lte,packet lte1 qmi: qmux0: rx: >>>  client id: #1 transaction: 0x36
2026-07-12 10:22:16 lte,debug lte1 qmi: >>> UIM - GET_CARD_STATUS
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 02:00000000
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 16:01000000 00
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 15:0100
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 11:0100
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 10:0000ffff ffffffff 01010000 00000202
2026-07-12 10:22:16 lte,packet lte1 qmi: 07020b00 0010a000 00008710 02ffffff
2026-07-12 10:22:16 lte,packet lte1 qmi: ff890301 00000003 030a0103 0a050100
2026-07-12 10:22:16 lte,packet lte1 qmi: 0b00000c a0000000 871004ff ffffff89
2026-07-12 10:22:16 lte,packet lte1 qmi: 0003030a 000000
2026-07-12 10:22:16 lte,debug lte1 qmi: UIM state: 1 APP state: 7, type: 2
2026-07-12 10:22:16 lte,debug lte1 qmi: <<< UIM - READ_TRANSPARENT
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 01:0000
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 02:076f0400 3fff7f
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 03:00000000
2026-07-12 10:22:16 lte,packet lte1 qmi: qmux0: tx: <<<  client id: #1 transaction: 0x37
2026-07-12 10:22:16 lte,packet lte1 qmi: qmux0: rx: >>>  client id: #1 transaction: 0x37
2026-07-12 10:22:16 lte,debug lte1 qmi: >>> UIM - READ_TRANSPARENT
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 02:00000000
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 18:35303502 30320a36 30353139 32323139
2026-07-12 10:22:16 lte,packet lte1 qmi: 33
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 11:09000859 50200615 291239
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 10:9000
2026-07-12 10:22:16 lte,debug lte1 qmi: <<< UIM - READ_TRANSPARENT
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 01:0000
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 02:e22f0200 3f
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 03:00000000
2026-07-12 10:22:16 lte,packet lte1 qmi: qmux0: tx: <<<  client id: #1 transaction: 0x38
2026-07-12 10:22:16 lte,packet lte1 qmi: qmux0: rx: >>>  client id: #1 transaction: 0x38
2026-07-12 10:22:16 lte,debug lte1 qmi: >>> UIM - READ_TRANSPARENT
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 02:00000000
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 11:0a009816 20065214 951129f6
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 10:9000
2026-07-12 10:22:16 lte,async lte1: sent AT+CNUM
2026-07-12 10:22:16 lte,debug lte1 qmi: state: idle => SIM ready
2026-07-12 10:22:16 lte,debug lte1 qmi: <<< WDA - SET_DATA_FORMAT
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 17:05000000 00000000
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 10:00
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 11:02000000
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 16:00080000
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 12:05000000
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 13:05000000
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 15:01000000
2026-07-12 10:22:16 lte,packet lte1 qmi: qmux0: tx: <<<  client id: #1 transaction: 0x39
2026-07-12 10:22:16 lte,packet lte1 qmi: qmux0: rx: >>>  client id: #1 transaction: 0x0
2026-07-12 10:22:16 lte,debug lte1 qmi: >>> WDS - [notify] LTE_ATTACH_PARAMS
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 01:00
2026-07-12 10:22:16 lte,packet lte1 qmi: qmux0: rx: >>>  client id: #1 transaction: 0x39
2026-07-12 10:22:16 lte,debug lte1 qmi: >>> WDA - SET_DATA_FORMAT
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 02:00000000
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 10:00
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 11:02000000
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 12:05000000
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 13:05000000
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 14:00000000
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 15:01000000
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 16:00080000
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 17:10000000
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 18:00100000
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 1a:00000000
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 1b:00
2026-07-12 10:22:16 lte,debug lte1 qmi: <<< WDA - SET_LOOPBACK_STATE
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 01:00
2026-07-12 10:22:16 lte,packet lte1 qmi: qmux0: tx: <<<  client id: #1 transaction: 0x3a
2026-07-12 10:22:16 lte,packet lte1 qmi: qmux0: rx: >>>  client id: #1 transaction: 0x0
2026-07-12 10:22:16 lte,debug lte1 qmi: >>> DSD - [notify] SYSTEM_STATUS
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 10:01000000 00000000 00000000 00000000
2026-07-12 10:22:16 lte,packet lte1 qmi: 00
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 11:020c7965 732e696e 7465726e 65740100
2026-07-12 10:22:16 lte,packet lte1 qmi: 00000000 00000000 00000000 00000000
2026-07-12 10:22:16 lte,packet lte1 qmi: 01000000 00000000 00000000 00000000
2026-07-12 10:22:16 lte,packet lte1 qmi: 00
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 12:00000000 00000000 00000000 00000000
2026-07-12 10:22:16 lte,packet lte1 qmi: 00000000 00000000 00000000 00000000
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 13:020c7965 732e696e 7465726e 65740000
2026-07-12 10:22:16 lte,packet lte1 qmi: 00000000 00000000 00000000 00000000
2026-07-12 10:22:16 lte,packet lte1 qmi: 00000000 00000000 00000000 00000000
2026-07-12 10:22:16 lte,packet lte1 qmi: 00000000 00000000 00000000 00000000
2026-07-12 10:22:16 lte,packet lte1 qmi: 00000000 00000000 00000000 000000
2026-07-12 10:22:16 lte,packet lte1 qmi: qmux0: rx: >>>  client id: #1 transaction: 0x3a
2026-07-12 10:22:16 lte,debug lte1 qmi: >>> WDA - SET_LOOPBACK_STATE
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 02:00000000
2026-07-12 10:22:16 lte,debug lte1 qmi: <<< WDS - MODIFY_PROFILE_SETTINGS
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 01:0002
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: df:01
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 8f:00
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 3e:01
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 11:03
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 14:7965732e 696e7465 726e6574
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 1b:
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 1d:00
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 1c:
2026-07-12 10:22:16 lte,packet lte1 qmi: qmux0: tx: <<<  client id: #1 transaction: 0x3b
2026-07-12 10:22:16 lte,async lte1: rcvd
2026-07-12 10:22:16 lte,async lte1: sent AT+QCFG="band",93,0000000000000004,0,1
2026-07-12 10:22:16 lte,packet lte1 qmi: qmux0: rx: >>>  client id: #1 transaction: 0x3b
2026-07-12 10:22:16 lte,debug lte1 qmi: >>> WDS - MODIFY_PROFILE_SETTINGS
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 02:00000000
2026-07-12 10:22:16 lte,debug lte1 qmi: <<< WDS - MODIFY_PROFILE_SETTINGS
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 01:0003
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: df:01
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 8f:00
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 3e:01
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 11:03
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 14:
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 1b:
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 1d:00
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 1c:
2026-07-12 10:22:16 lte,packet lte1 qmi: qmux0: tx: <<<  client id: #1 transaction: 0x3c
2026-07-12 10:22:16 lte,packet lte1 qmi: qmux0: rx: >>>  client id: #1 transaction: 0x3c
2026-07-12 10:22:16 lte,debug lte1 qmi: >>> WDS - MODIFY_PROFILE_SETTINGS
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 02:00000000
2026-07-12 10:22:16 lte,debug lte1 qmi: <<< WDS - SET_LTE_ATTACH_PDN_LIST
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 01:010200
2026-07-12 10:22:16 lte,packet lte1 qmi: qmux0: tx: <<<  client id: #1 transaction: 0x3d
2026-07-12 10:22:16 lte,packet lte1 qmi: qmux0: rx: >>>  client id: #1 transaction: 0x3d
2026-07-12 10:22:16 lte,debug lte1 qmi: >>> WDS - SET_LTE_ATTACH_PDN_LIST
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 02:00000000
2026-07-12 10:22:16 lte,debug lte1 qmi: set radio state: online
2026-07-12 10:22:16 lte,debug lte1 qmi: <<< DMS - SET_OPERATING_MODE
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 01:00
2026-07-12 10:22:16 lte,packet lte1 qmi: qmux0: tx: <<<  client id: #1 transaction: 0x3e
2026-07-12 10:22:16 lte,packet lte1 qmi: qmux0: rx: >>>  client id: #1 transaction: 0x0
2026-07-12 10:22:16 lte,debug lte1 qmi: >>> WDS - [notify] LTE_ATTACH_PDN_LIST_IND
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 10:010200
2026-07-12 10:22:16 lte,packet lte1 qmi: qmux0: rx: >>>  client id: #1 transaction: 0x0
2026-07-12 10:22:16 lte,debug lte1 qmi: >>> WDS - [notify] LTE_ATTACH_PDN_LIST_IND
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 10:010200
2026-07-12 10:22:16 lte,packet lte1 qmi: qmux0: rx: >>>  client id: #1 transaction: 0x0
2026-07-12 10:22:16 lte,debug lte1 qmi: >>> NAS - [notify] SYS_INFO_IND
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 12:000000
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 13:000000
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 14:000000
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 28:01000000
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 30:00000000
2026-07-12 10:22:16 lte,packet lte1 qmi: qmux0: rx: >>>  client id: #1 transaction: 0x0
2026-07-12 10:22:16 lte,debug lte1 qmi: >>> NAS - [notify] SERVING_SYSTEM
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 01:00020200 0100
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 11:00
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 22:00030000 00
2026-07-12 10:22:16 lte,packet lte1 qmi: qmux0: rx: >>>  client id: #1 transaction: 0x0
2026-07-12 10:22:16 lte,debug lte1 qmi: >>> NAS - [notify] DDTM
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 01:00010400 05040005 000c000d 002100
2026-07-12 10:22:16 lte,packet lte1 qmi: qmux0: rx: >>>  client id: #1 transaction: 0x3e
2026-07-12 10:22:16 lte,debug lte1 qmi: >>> DMS - SET_OPERATING_MODE
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 02:00000000
2026-07-12 10:22:16 lte,debug lte1 qmi: set system preference, operator: [auto]
2026-07-12 10:22:16 lte,debug lte1 qmi: <<< NAS - SET_SYSTEM_SELECTION_PREF
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 16:00000000 00
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 11:1000
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 14:0100
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 18:02000000
2026-07-12 10:22:16 lte,packet lte1 qmi: qmux0: tx: <<<  client id: #1 transaction: 0x3f
2026-07-12 10:22:16 lte,packet lte1 qmi: qmux0: rx: >>>  client id: #1 transaction: 0x3f
2026-07-12 10:22:16 lte,debug lte1 qmi: >>> NAS - SET_SYSTEM_SELECTION_PREF
2026-07-12 10:22:16 lte,packet lte1 qmi:  tlv: 02:00000000
2026-07-12 10:22:16 lte,debug lte1 qmi: state: SIM ready => online
2026-07-12 10:22:16 lte,async lte1: rcvd OK
2026-07-12 10:22:17 lte,packet lte1 qmi: qmux0: rx: >>>  client id: #1 transaction: 0x0
2026-07-12 10:22:17 lte,debug lte1 qmi: >>> NAS - [notify] SERVING_SYSTEM
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 01:02020202 0108
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 11:00
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 12:f9010200 054f28b5 3a05
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 22:01020000 00
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 29:f9010200 00
2026-07-12 10:22:17 lte,debug lte1 qmi: state: online => searching
2026-07-12 10:22:17 lte,packet lte1 qmi: qmux0: rx: >>>  client id: #1 transaction: 0x0
2026-07-12 10:22:17 lte,debug lte1 qmi: >>> NAS - [notify] SYS_INFO_IND
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 12:000000
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 13:000000
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 14:010300
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 19:01040102 00000100 00ffff01 0bbb6001
2026-07-12 10:22:17 lte,packet lte1 qmi: 00000001 35303530 32ff01a0 e0
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 1e:ffff
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 27:00
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 28:01000000
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 30:00000000
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 32:00000000
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 35:ffff
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 3a:02000000
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 3f:00000000
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 45:03000000
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 47:04000000
2026-07-12 10:22:17 lte,debug lte1 qmi: state: searching => deregistered
2026-07-12 10:22:17 lte,packet lte1 qmi: qmux0: rx: >>>  client id: #1 transaction: 0x0
2026-07-12 10:22:17 lte,debug lte1 qmi: >>> NAS - [notify] SERVING_SYSTEM
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 01:01010102 0108
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 10:01
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 11:010b
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 12:f9010200 054f28b5 3a05
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 15:010801
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 1d:feff
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 1e:0bbb6001
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 22:02030000 00
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 25:a0e0
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 29:f9010200 00
2026-07-12 10:22:17 lte,debug lte1 qmi: state: deregistered => registered
2026-07-12 10:22:17 lte,debug lte1 qmi: state: registered => packet service attached
2026-07-12 10:22:17 lte,debug lte1 qmi: state: packet service attached => connecting
2026-07-12 10:22:17 lte,packet lte1 qmi: qmux0: rx: >>>  client id: #1 transaction: 0x0
2026-07-12 10:22:17 lte,debug lte1 qmi: >>> NAS - [notify] SYS_INFO_IND
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 12:000000
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 13:000000
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 14:020200
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 19:01030103 01000100 00ffff01 0bbb6001
2026-07-12 10:22:17 lte,packet lte1 qmi: 00000001 35303530 32ff01a0 e0
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 1e:ffff
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 21:00
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 27:00
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 28:01000000
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 2a:00
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 2b:00000000
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 30:00000000
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 32:00000000
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 35:ffff
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 39:00000000
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 3a:01000000
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 3f:00000000
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 45:03000000
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 47:04000000
2026-07-12 10:22:17 lte,packet lte1 qmi: qmux0: rx: >>>  client id: #1 transaction: 0x0
2026-07-12 10:22:17 lte,debug lte1 qmi: >>> NAS - [notify] CURRENT_PLMN_NAME
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 10:f9010200 00
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 11:00095945 53204f50 545553
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 15:00000000 00000000
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 16:01000000
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 17:08
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 1a:01000000
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 1b:09590045 00530020 004f0050 00540055
2026-07-12 10:22:17 lte,packet lte1 qmi: 005300
2026-07-12 10:22:17 lte,packet lte1 qmi: qmux0: rx: >>>  client id: #1 transaction: 0x0
2026-07-12 10:22:17 lte,debug lte1 qmi: >>> NAS - [notify] SYS_INFO_IND
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 12:000000
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 13:000000
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 14:020200
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 19:01030103 01000100 00ffff01 0bbb6001
2026-07-12 10:22:17 lte,packet lte1 qmi: 00000001 35303530 32ff01a0 e0
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 1e:ffff
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 21:00
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 27:00
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 28:01000000
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 2a:00
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 2b:00000000
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 30:00000000
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 32:00000000
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 35:ffff
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 39:03000000
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 3a:01000000
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 3f:00000000
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 45:03000000
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 47:04000000
2026-07-12 10:22:17 lte,packet lte1 qmi: qmux0: rx: >>>  client id: #1 transaction: 0x0
2026-07-12 10:22:17 lte,debug lte1 qmi: >>> WDS - [notify] LTE_ATTACH_PARAMS
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 01:00
2026-07-12 10:22:17 lte,packet lte1 qmi: qmux0: rx: >>>  client id: #1 transaction: 0x0
2026-07-12 10:22:17 lte,debug lte1 qmi: >>> DSD - [notify] SYSTEM_STATUS
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 10:01000000 00030000 00001000 00000000
2026-07-12 10:22:17 lte,packet lte1 qmi: 00
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 11:020c7965 732e696e 7465726e 65740100
2026-07-12 10:22:17 lte,packet lte1 qmi: 00000003 00000000 10000000 00000000
2026-07-12 10:22:17 lte,packet lte1 qmi: 01000000 00030000 00001000 00000000
2026-07-12 10:22:17 lte,packet lte1 qmi: 00
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 12:00000000 03000000 00100000 00000000
2026-07-12 10:22:17 lte,packet lte1 qmi: 00000000 03000000 00100000 00000000
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 13:020c7965 732e696e 7465726e 65740000
2026-07-12 10:22:17 lte,packet lte1 qmi: 00000300 00000010 00000000 00000000
2026-07-12 10:22:17 lte,packet lte1 qmi: 00000300 00000010 00000000 00000000
2026-07-12 10:22:17 lte,packet lte1 qmi: 00000003 00000000 10000000 00000000
2026-07-12 10:22:17 lte,packet lte1 qmi: 00000003 00000000 10000000 000000
2026-07-12 10:22:17 lte,packet lte1 qmi: qmux0: rx: >>>  client id: #1 transaction: 0x0
2026-07-12 10:22:17 lte,debug lte1 qmi: >>> NAS - [notify] SERVING_SYSTEM
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 01:01010102 0108
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 11:010b
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 1a:28
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 1b:00
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 1c:ea07070c 00161128
2026-07-12 10:22:17 lte,packet lte1 qmi: qmux0: rx: >>>  client id: #1 transaction: 0x0
2026-07-12 10:22:17 lte,debug lte1 qmi: >>> NAS - [notify] OPERATOR_NAME_DATA
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 14:00000000 0000
2026-07-12 10:22:17 lte,debug lte1 qmi: <<< WDS - GET_LTE_ATTACH_PARAMS
2026-07-12 10:22:17 lte,packet lte1 qmi: qmux0: tx: <<<  client id: #1 transaction: 0x40
2026-07-12 10:22:17 lte,packet lte1 qmi: qmux0: rx: >>>  client id: #1 transaction: 0x40
2026-07-12 10:22:17 lte,debug lte1 qmi: >>> WDS - GET_LTE_ATTACH_PARAMS
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 02:00000000
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 10:7965732e 696e7465 726e6574
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 11:00
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 12:01
2026-07-12 10:22:17 lte,packet lte1 qmi:  tlv: 13:a630380a
2026-07-12 10:22:17 lte,debug lte1 qmi: lte attach apn: yes.internet
2026-07-12 10:22:17 lte,debug lte1 qmi: lte attach ip-type: 0
2026-07-12 10:22:17 lte,async,raw lte1: sent AT+QENG="servingcell"
2026-07-12 10:22:17 lte,async,raw lte1: rcvd +QENG: "servingcell","NOCONN","LTE","FDD",505,02,160BB0B,84,1725,3,4,4,E0A0,-91,-12,-61,4,-
2026-07-12 10:22:18 lte,debug lte1 qmi: <<< WDS - START_NETWORK_IFACE
2026-07-12 10:22:18 lte,packet lte1 qmi:  tlv: 35:00
2026-07-12 10:22:18 lte,packet lte1 qmi:  tlv: 37:00
2026-07-12 10:22:18 lte,packet lte1 qmi:  tlv: 31:02
2026-07-12 10:22:18 lte,packet lte1 qmi: qmux0: tx: <<<  client id: #2 transaction: 0x6
2026-07-12 10:22:18 lte,packet lte1 qmi: qmux0: rx: >>>  client id: #2 transaction: 0x6
2026-07-12 10:22:18 lte,debug lte1 qmi: >>> WDS - START_NETWORK_IFACE
2026-07-12 10:22:18 lte,packet lte1 qmi:  tlv: 02:00000000
2026-07-12 10:22:18 lte,packet lte1 qmi:  tlv: 01:e00efb86
2026-07-12 10:22:18 lte,debug lte1 qmi: state: connecting => connected
2026-07-12 10:22:18 lte,debug lte1 qmi: state: connected => connecting
2026-07-12 10:22:18 lte,packet lte1 qmi: qmux0: rx: >>>  client id: #2 transaction: 0x0
2026-07-12 10:22:18 lte,debug lte1 qmi: >>> WDS - [notify] PKT_SRVC_STATUS
2026-07-12 10:22:18 lte,packet lte1 qmi:  tlv: 01:0200
2026-07-12 10:22:18 lte,packet lte1 qmi:  tlv: 12:04
2026-07-12 10:22:18 lte,packet lte1 qmi:  tlv: 13:8088
2026-07-12 10:22:18 lte,packet lte1 qmi:  tlv: 14:05
2026-07-12 10:22:18 lte,packet lte1 qmi: qmux0: rx: >>>  client id: #1 transaction: 0x0
2026-07-12 10:22:18 lte,debug lte1 qmi: >>> WDS - [notify] PKT_SRVC_STATUS
2026-07-12 10:22:18 lte,packet lte1 qmi:  tlv: 01:0200
2026-07-12 10:22:18 lte,packet lte1 qmi:  tlv: 12:04
2026-07-12 10:22:18 lte,packet lte1 qmi:  tlv: 13:8088
2026-07-12 10:22:18 lte,packet lte1 qmi:  tlv: 14:05
2026-07-12 10:22:19 lte,debug lte1 qmi: <<< WDS - GET_RUNTIME_SETTINGS
2026-07-12 10:22:19 lte,packet lte1 qmi:  tlv: 10:19a30001
2026-07-12 10:22:19 lte,packet lte1 qmi: qmux0: tx: <<<  client id: #2 transaction: 0x7
2026-07-12 10:22:19 lte,packet lte1 qmi: qmux0: rx: >>>  client id: #2 transaction: 0x7
2026-07-12 10:22:19 lte,debug lte1 qmi: >>> WDS - GET_RUNTIME_SETTINGS
2026-07-12 10:22:19 lte,packet lte1 qmi:  tlv: 02:00000000
2026-07-12 10:22:19 lte,packet lte1 qmi:  tlv: 14:7965732e 696e7465 726e6574
2026-07-12 10:22:19 lte,packet lte1 qmi:  tlv: 15:a2988ec6
2026-07-12 10:22:19 lte,packet lte1 qmi:  tlv: 16:a3988ec6
2026-07-12 10:22:19 lte,packet lte1 qmi:  tlv: 1e:a630380a
2026-07-12 10:22:19 lte,packet lte1 qmi:  tlv: 1f:0002
2026-07-12 10:22:19 lte,packet lte1 qmi:  tlv: 20:a530380a
2026-07-12 10:22:19 lte,packet lte1 qmi:  tlv: 21:fcffffff
2026-07-12 10:22:19 lte,packet lte1 qmi:  tlv: 29:6c070000
2026-07-12 10:22:19 lte,packet lte1 qmi:  tlv: 2b:04
2026-07-12 10:22:19 lte,info lte1 IPv4: 10.56.48.166, DNS: 198.142.152.162,198.142.152.163, MTU: 1900
2026-07-12 10:22:19 lte,info lte1 IPv4: 10.56.48.166, DNS: 198.142.152.162,198.142.152.163, MTU: 1900
2026-07-12 10:22:19 lte,info lte1 network advertises higher mtu: 1900
2026-07-12 10:22:19 lte,info lte1 network advertises higher mtu: 1900
2026-07-12 10:22:19 lte,debug lte1 qmi: state: connecting => connected
2026-07-12 10:22:19 lte,debug lte1 qmi: state: connected => running
2026-07-12 10:22:19 interface,info lte1 link up
2026-07-12 10:22:19 lte,async lte1: sent AT+CPMS="SM","SM","SM"
2026-07-12 10:22:19 lte,async lte1: rcvd +CPMS: 0,20,0,20,0,20
2026-07-12 10:22:19 lte,async lte1: sent AT+CMGL=4
2026-07-12 10:22:19 lte,async lte1: rcvd
2026-07-12 10:22:19 lte,async lte1: sent AT+CPMS?
2026-07-12 10:22:19 lte,async lte1: rcvd +CPMS: "SM",0,20,"SM",0,20,"SM",0,20
2026-07-12 10:22:20 lte,async,raw lte1: sent AT+QENG="servingcell"
2026-07-12 10:22:20 lte,async,raw lte1: rcvd +QENG: "servingcell","NOCONN","LTE","FDD",505,02,160BB0B,84,1725,3,4,4,E0A0,-91,-13,-54,6,-
2026-07-12 10:22:23 lte,async,raw lte1: sent AT+QENG="servingcell"
2026-07-12 10:22:23 lte,async,raw lte1: rcvd +QENG: "servingcell","NOCONN","LTE","FDD",505,02,160BB0B,84,1725,3,4,4,E0A0,-91,-17,-52,13,-

Hi,

Does that SIM card behaves properly in a different device if it comes to connection stability?
Maybe LTE provider has closed list of accepted modems or maybe it has list of "banned" ones?