Im trying to repair os, but not working whit netinstall & seraial xmodem:
ERROR: installation of system-6.49.12 failed: broken package
Press ENTER to reboot

your choice: g - upgrade firmware
Upgrade firmware options:
e - upgrade firmware over ethernet
s - upgrade firmware over serial port
your choice: s - upgrade firmware over serial port
xmodem receiver ready, waiting for data...
press <Ctrl>+X several times to cancel transfer
press any key to continue...
RouterBOOT booter 3.41

CRS125-24G-1S

CPU frequency: 750 MHz
Memory speed: 200 MHz
Memory size: 128 MiB
NAND size: 128 MiB

Press any key within 2 seconds to enter setup..
loading kernel... kernel not found

Try to set particions 1or 2,4 format nand, but after any transver i get same error
Memory test are passed.