Yesterday my LG G2 from T-Mobile and also wife LG G2 from T-Mobile lost que 3G/4G icon and the internet service. Yes, both phones!
The phones can call, get sms but no internet. Already perform a factory reset, hard reset, added the right APN, tryed to change the network mode, tryed with my 3 local operators and nothing, no internet or 3G/4G signal
I'll try to return the phone to stock 4.2.2 to check if this can fix the problem, currently running 4.4.2 stock.
Any other suggestion? Maybe it's just a simple fix but coulnd't find anything.