LG G6 Can't connect to 3G, LTE - Sprint LG G6 Questions & Answers

Hi, I am a user from Asia, I had a trouble when I using my LG G6:
After unlocked LG G6 LS993 to H873 (8.0) , I only can be connected to GSM Only. If I select Network Mode to GSM/WCDMA/LTE auto or something else, I can't sms, call and connect to the internet ( The signal strength is fine).
I did a complete reset on my G6, setting new vpn, no root, stock v20c/e firmware, network settings reset, factory data reset...
How can I feed it, please help me

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[Q] 4G not always avaible

Hello, I need some help. I have the d802 model of the LG G2 and I have a problem: in order to use 4G I have always to go on the phone app and type the code *#*#4636#*#* then a menu opens and I have to go Phone information and then Set preferred network type and finally select LTE/WCDMA/GSM. But he problem is that this setting always reset when I restart the phone or even randomly (It always go back to WCDMA preferred), so I can't use 4G anymore.
Ps: Even while LTE/WCDMA/GSM is selected I'm not able to select 4G at Settings > Tethering & networks > Mobile networks > Network mode, but it still works
Ps 2: I'm using pure stock 4.4.2 KitKat ROM
Ps 3: I did hard reset the device
Ps 4: My mobile service is Claro, from Brazil
Anyone please?

Problem with lte Automatic conectivity

Hi,
After flash my G2 with lolipop (kdz 6PO/POLAND_OPEN_16G v30b ) I have problem with auto lte connectivity. Sometimes I need to change network mode from 2g/3g/lte to 2g/3g and again to 2g/3g/lte because my phone can't connect to lte automatically.
Anybody have idea how can I fix it?

gsm mode not working

I have note 3 n9005. Since last weak my phone is not working on gsm mode.only 3g mode is working.when i slect gsm mode then emergency calls only appear ...what will be problem can any one help
What did you do since then?
Did you updated kernel or modem of your phone? flashed anything?
Please let us know.
Try to select GSM , then select Search Manually, and select your network.
Also, try to check if APN is present.

LG G2 - Unlocking band for AWS. To make it work with WIND/Mobilicity.

This thread for LG G2 Unlocking band for AWS. To make it work with WIND/Mobilicity. I used the Telus D803 model. Other Canadian models might be similar.
As always try this at your own risk. If you brick your device missing or adding any steps its you! messing it up!
Lot of threads on enabling this feature is confusing for this model. Finding the right information is a wild search! The following thread is clean and great:
http://forum.xda-developers.com/oneplus-one/general/guide-unlock-aditional-bands-qualcomm-t2877031
Wind (AWS) enabled in Telus LG G2 D803 model and is working great. Basically rolled back to Stock ROM (4.4.2), Rooted, Enabled developer-debug mode & finally for enabled Modem mode used 'Tethering' option checked in LG stock. ROM which pops in phone whenever its connected to computer. NO ADB or terminal commands, whatsoever. Check if diag is enabled by entering in dialer => 3845#*803# and going to USB Info => USB basic info. You should see the line 'functions' has diag displayed. (Note: 803 in above dialer command since its D803 Canadian model. Replace it with your sub-model number for any other G2, ATT, Tmo etc).
Once above done, connect to computer and proceed further steps.
For Windows: When connecting to computer the NDIS network adapter might interfere with your network connection. (Since modem is enabled in phone and its now tethered to computer). Just go to network settings and disable NDIS network adapter if you are using that computer for browsing as well.
Once above is done, just follow from Step 7 of above thread. Instead of HTC Modem, it will be listed as "LGE AndroidNet USB Serial Port (COMx)". For me it was COM5 for COMx. It might vary. The appropriate LG drivers needs to be installed. (Search for LGUnitedMobileDriver)
In the above thread, once in RF_NV_Manager application the line 1877 displayed a value of 82314112. I replaced to 115868544, just enabling the Wind 1700 AWS band additionally. Saved value, rebooted phone. After restarting connected in the same procedure and verified the value is saved properly by re-reading the values from phone.
Inserted SIM, though initially it didn't display WIND (On Network search) after some 15 mins it automatically connected to Wind and now Wind network comes in network search.
Works great! Thanks for all the guidance in the forums. Hope helps someone.
Was able to verify that this does enable diag mode, but I tested on a D800
However I ended up using the modded HTC drivers to get QXDM to see the device
I tried to mod the LTE bands as well for kicks with QXDM Pro
People on Kijij selling this for $25...
I don't know how to test to see if the bands work but so far no side effects
Should be okay to just follow the LTE guide
so this should work for d805 variant? i want to unlock band 1200 and 1700 ,is that possible?
Enviado desde mi LG-D805 mediante Tapatalk
@xaueious
Sorry, I don't completely understand. I have LG G2 D800 too. Can I enable bands 3 and 8? Is it possible?
I was wondering too if whith this method it's possible to open gsm/wcdma bands on my F320L for get more lines at euro zone (because korean oem it's crap) . . .
see my post no problems with GSM/WCDMA bands, I can unlock all.
http://forum.xda-developers.com/showpost.php?p=66257829&postcount=147
For LTE i followed the procedure no problem show up but cant get it work somehow!!! So you can also try just save your original values
It is not any way to enable band 3, 8. Am I wrong?
Blackwolf14 said:
It is not any way to enable band 3, 8. Am I wrong?
Click to expand...
Click to collapse
well, I have a LS980, and i activated the LTE bands, but it did not work. You should try with D800. I have given the instructions in my post.
Turkish translation:
Bende LS980 var lte bandları aktive ettim ama bende calismadi, sende D800 var denersen calisabilir, yukarıda paylastigim linkte nasıl yaptigimi anlattim.
zhjackss said:
well, I have a LS980, and i activated the LTE bands, but it did not work. You should try with D800. I have given the instructions in my post.
Turkish translation:
Bende LS980 var lte bandları aktive ettim ama bende calismadi, sende D800 var denersen calisabilir, yukarıda paylastigim linkte nasıl yaptigimi anlattim.
Click to expand...
Click to collapse
I see the post and I was tried this but unfortunately it doens't work.

All Network System Disabled/Wi-Fi, Signal Etc. ??

I got a Moto Z Force Droid a few days ago from a friend. But all network connections aren't working.
Wi-Fi, Mobile network and Bluetooth. When I toggle to turn on wifi or bluetooth no connections show..
I already tried almost everything, network reset, factory reset, even reset cache and phone in recovery mode.
All I have left to do is flash a different stock firmware via ADB. It's current on 7.0
Any help will be awesome!

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