help need.. - AT&T LG G2

i bought g2 from shop in used
I check model and with imei thought internet .It show D802 and 32gb
it running perfect but when I updated it to lollipop via PC suite it touch working improperly ,network disable, imei unknown and showing 10gb only
So I open *backcover of* mobile*and it*writing D800
So What I do now.......
*I flash back to KK but problem still same

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No 3G on Optimus T after rooting & custom rom

Hi,
I have an LG Optimus T with T-Mobile (G509), and network data (3G/E) used to work just fine. I've unlocked the phone, rooted it using z4root, then flashed the DarkMoon rom (2.2.1, G500, based on V10c). Since that point I've lost the 3G or even Edge network data. I can only connect to the internet via Wifi. I can't even get GPS location on Maps if the Wifi is off.
Any clues? (I'm still new to Android).
Thanks a million in advance!
As I told u in a private email., I will send u a file to fix this problem, and in my next rom upgrade things will be fixed
Will this ROM work on the Optimus for Sprint??
the same thing happened to me. Can i have the file to fix this to?
I also am having the same issue with my phone. After rooting it worked fine for a couple of weeks but now I am unable to use 3G. I am only able to use data when connecting using wifi. Can you send me the file as well? I would really appreciate it. Here are my phone specs below:
LG Optimus V
Android Version 2.2.1
Baseband Version VM670ZV4_60401001
Software Version VM670ZV4
Hardware Version 1.2

please help me out ;(;(;(

i rooted my SGS3 I9300 and all gone well but suddenly i noticed that i am unable to use network it was showing emergency calls only........and also my mobile's IMEI changed from the one located under the battery and when i checked that IMEI online it was blacklisted of a stoen mobile...but when i checked da IMEI which is written under my battery it is ok and active.i have read all of your posts and threads but i am unable to restore my original IMEI...my freind also rooted his mobile n he has also the same model n he installed the same room infact he also installed it in my phone but i am having this problem and his mobile is working fine....please help me out to restore my original IMEI.....

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So a few years back i bought an unlocked LG G2 D802 phone from a local retailer. I have always been a Samsung user and never used it and forgot about it. Until recently i remembered about it and as it was out of warranty i decided i should root it and put some custom ROM on it. I rooted it and flashed a custom ROM . But it got stuck on the LG logo at the boot screen. i didn't think of anything at that moment at all. As getting a boot loop is a very common thing in Samsung devices as well and decided i should just stick with a Stock 5.0.2 ROM.
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