[Q] G3 F400S update help and some other help plz - G3 Q&A, Help & Troubleshooting

hello ..i just bought lg g3 f400s from ebay .. it has android 4.4.2 .. how can i update my fone to stock lollipop ?? like if i try from fone it says update limited or something ..
how can i update now ??
like samsung have kies to update .. do lg have such software for updating ??
other question .. i want my network to b 2G as 3G signal isnt strong where i live but in options m not able to change it .. like the option isnt available :|

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[Q] LG G3 ATT D850 Bluethooth has stoped pop up !

Hi everybody can you help to fix this annoying problem with Bluetooth ? I got rooted LG G3 D850 ATT . Problem happening also on non rooted software !

i bought d855 & lg support tool sayit's ls990! HELP!

Hello everyone !
i bought th G3 second hand in informations it sais it's D855 variant & he is in kitkat 4.4.2 version d85510n with no radio fm application & few camera options (just hdr, size, and flash light !)
when i pluged it into my pc to upgrade it with LGMobile Support Tool it says that is ls990 & he is uptodate!!!
am really disappointed & the problem now i don't know what varian of this g3 i have ?!!!
and how to upgrade it to marshmallow !
i have same model i tried like everithing :crying::crying: but i didn't succeed
mehdibekk said:
i have same model i tried like everithing :crying::crying: but i didn't succeed
Click to expand...
Click to collapse
Yes your device is ls990 don't try to update .or you face a big problem network disabled.
Sent from my LGLS990 using Tapatalk

How to update refurbished/simUnlocked LG G3 ?

Hi i buy a g3 for my mother without any garranty ! it is d855 on its pack and software and under battery and all iemi codes are right and same ! but i boot it with stock recovery and i known it is ls990(sprint model) ! in iemi checker site there is ls990 too i think it is refurbished model maybe unlocked one ! i don't have any problem with this that this phone is refurbished or inlocked ... my really problem is that i can'tupdate this phone with stock 4.4.2! there is no update center in setting !
is anyone has sameproblem ?! can you help me please ! i don't want to flash it because i m afraid brick it !
pls help can i flash d855 marshmallow rom on it without any problem?!
erfanzz said:
pls help can i flash d855 marshmallow rom on it without any problem?!
Click to expand...
Click to collapse
First backup ur current rom, efs and modem after that i think u should try fumics rom.
tnx a lot Ali but fumis for ls990 or d855 ?!

LG G4 H815T Hong Kong No Mobile network

Hello,
i got an LG G4 H815T variant , it comes with android 5.1 , after upgrading with LG bridge to H815T20e_00_0829.kdz (android 6) , i the phone is not detecting any mobile network, just searching , and nothing .
i tested to flash many kdz even back to original stock room , but same issue , cannot find mobile network , is it a problem with the modem image ?, i wanted to unlock the bootloader to try on cyanogenmod but not possible for this version (H815T hong kong).
my phone is actually rooted , what can i do more to resolve this ?
thank you
any progress ? are u fix it ?

Need help in updating

I bought lg g3 yesterday And it wasn't connecting to the lg pc suite so I used this guide to check wether my lg g3 is orignal or fake :
https://forum.xda-developers.com/lg-g3/general/refurbished-fake-lg-g3-check-available-t3254928
Turns out my mob is orignal but its software is changed
According to the Software Ver of Mobile it says : KVT49L.D85510o
But In boot menu it says : KVT49L.LS990zv4
Then I came to know that its actually ls990 model but they have done D855 model software on it just to globally unlock it
Now I dont get update on mobile nor can I update it from lg pc suite Can anyone please help me so I can update my mob to lollipop or marshmallow without country locking it?
Thanks in advance

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