To upgrade, click “Check for updates” at /system package in your RouterOS configuration interface, or head to our download page: http://www.mikrotik.com/download
If you experience version related issues, then please send supout file from your router to support@mikrotik.com. File must be generated while router is not working as suspected or after crash.
What’s new in 6.40.5 (2017-Oct-31 13:05):
*) certificate - fixed import of certificates with empty SKID;
*) crs3xx - fixed 100% CPU usage after interface related changes;
*) firewall - do not NAT address to 0.0.0.0 after reboot if to-address is used but not specified;
*) ike1 - fixed crash after downgrade if DH groups 19,20,21 were used for phase1;
*) ike1 - fixed RSA authentication for Windows clients behind NAT;
*) ipsec - fixed lost value for “remote-certificate” parameter after disable/enable;
*) ipv6 - fixed IPv6 addresses constructed from prefix and static address entry;
*) log - properly recognize MikroTik specific RADIUS attributes;
*) lte - do not reset modem when it is not possible to access SMS storage;
*) lte - fixed modem initialization after reboot;
*) lte - fixed PIN option after setting up the band;
*) sms - include time stamps in SMS delivery reports;
*) sms - properly initialize SMS storage;
*) snmp - fixed “/system license” parameters for CHR;
*) winbox - allow shorten bytes to k,M,G in Hotspot user limits;
*) wireless - fixed rate selection process when “rate-set=configured” and NV2 protocol is used;
Please connect serial cable to your router, open serial console and power on the router. Send whole serial output to support@mikrotik.com. Most likely problem is not related to specific RouterOS version and is caused by some kind of issue during upgrade process.
Also you can try to power off router, press and hold reset button. power router on and release the button. If router now boots up, then run command “/system routerboard upgrade” and then router should boot up normally after upcoming reboots.
“Also you can try to power off router, press and hold reset button. power router on and release the button.”
tried, no luck
I do not have any serial cable. What should i do? (hAP AC was bought a week ago)
Tried patch cord + netinstall… The device reboots and invisible in Netinstall app
Installed RouterOS version does not in any way affect Netinstall process. Ether boot happens before you have reached RouterOS. If you can not Netinstall device then problem is either with Netinstall (recommended to test with another router), RouterBOOT or hardware.
Wireless fix is made for configurations where nv2 and configured rates are used. If you experienced system lock-up or reboots, then this fix will most likely will solve the problem.
cAP Lite died after upgrade
I have Tried Netinstall but router does not shown in List also I have pushed reset-button for more than 300sec
CAP-LED and WLAN-LED are just Blinking
Just found those devices in my collection. Would it be enough to get any useful information about the reasons of such disaster? I am interested to solve this problem as fast as i can (if i can ). - NO RESULT (device is not visible)
Is there anybody who will guide me through the process?
Done Netinstall based on your video manual. No luck. Device is not shown in the app.
Brand new hAP AC (Bought 28.10.17) became a brick. I am sure it is something with firmware ore bad circumstances
