Firmware upgrade for unlocked Airtel Alcatel 4g modem

vijai1996

Member
[OP]
Jan 16, 2016
20
3
Hello,
I have airtel 4g modem "TCL MW40CJ" and its unlocked. I see that there is a firmware upgrade for it. Can I safely upgrade the firmware? Also is it possible to flash stock alcatel firmware than Airtel's modified firmware?