International marshmallow Rom = no bars or 4g - G3 Q&A, Help & Troubleshooting

I have a verizon g3 and Everytime i upgrade to an international marshmallow rom i lose 4g signal and becuz of it i get "cell stanby" draining my battery heavily. I tried flashing all the basebands and bootstacks even backedup my efs from an older rom or marshmallow rom on verizon becuz my data works perfect on verizon roms. The right apns looks to be in tact. I just really want this to work becuz this is the lg g5 rom im on. (Fulmics 5.0) please help me.

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[Q] multi-vpn for at&t d850 stock rom

Hi all,
I have a LG G3 D850. I bought it unlocked from AT&T last time I was in the US, but I use it in Brazil. The stock rom would not get the updates and the 4G LTE data plans here in Brazil. I flashed the kitkat and lolipop ROMs from cyanogen and all worked as a charm. But, somehow, I think I prefer the stock over these custom ROMs.
I have the stock rom somewhere, but I am afraid that if I flash that, I will loose the 4G capability for my Brazilian carrier.
When I first flashed the CM12 I got from following this thread, I lacked the multi-apn capability, but after getting the correct multi-apn.zip patch all went smooth.
My question is: will this patch work on the stock LG G3 D850 ROM?
Thanks in advance!
Gustavo

Flash International rom D855 to Unlocked Tmobile G3 D851 rom

Hi
I just bought an unlocked lg g3 fron ebay. I am now in india and the sim network and everything is working fine.
i like to know whether there are any issues in flashing international/Europe rom to D851.
current tmobile rom contains many bloat and i think i will stuck with kitkat. I like to flash D855 rom which the indian version of lg g3

LG G3 D851 NO LTE with updates

Hi.
I have a problem with my LG G3 D851, specifically with 4G LTE connectivity.
With its original firmware (10C), 4G LTE connectivity works fine, but when and upgraded to any higher version including 6.0, I lose 4G LTE connectivity, it works well with 3G or 2G, but not with 4G LTE.
I tried custom Roms, but the problem persists.
My question is. you can install a ROM of the current versions of android but with the modem an old version of android? kit kat for example.
Delete me

no LTE/4G on aosp ROMs (D851)

Hello g3 community,
My problem is whatever aosp ROM I flash (resurrection remix, crDroid, ...) , it seems that I can't get LTE/4G on my phone (D851) even it is set as preferred in cellular network settings. I can only have H+
I don't have such problem when I use stock based ROMs, where I get the 4G connectivity with the same cellular network settings and APN.
Thanks for your help.
bump

AT&T 8.0 Oreo OCX27.109-47 available, plus a problem

Well, I've been waiting for this to help fix my semi-borked phone and it is now available:
Android File Host Courtesy of the Motorola-Firmware-Team.
I know quite a few have been looking for it as well.
Now here is my issue if anyone can help -
Before I knew what I was fully getting into (this AT&T Z2 Force is my first bootloader locked device) I mistakenly flashed an oreo modem from the retail image to my 7.1 device. This gave me a missing baseband and IMEI, with no wifi or sim. In my attempts to fix it I flashed the modem from Tmobile (oreo) and eventually got wifi back, but not sim. I hoped going to the AT&T Oreo image would give me back sim/cell, but alas it seems the AT&T baseband version is lower than the current TMO on my phone, and both wifi and sim service are gone.
I feel like I need a way to roll back the baseband, but can't with the locked bootloader.
I can flash back to the TMO modem and get wifi, but that is all.
Any insights?
What was the ROM Oreo that you installed before installing the Tmobile?
The ROM that you downloaded is for moto z2 play not for moto z2 force
It is for the z2 force (Nash), just listed under the z2 play on Android file host for some reason.
As for your question, I'm not sure I understand - are you asking which rom I installed before going to the tmo modem? It was the retail Oreo rom, which obviously didn't fully install due to the locked bootloader, but started my journey to finding a working modem as anything 7.1 I tried after the failed retail flash would not work.
In hindsight I could have left the phone untouched at that point and waited for the at&t Oreo files, but I have a tendency to tinker too much...
I settled on the at&t 7.1.1 rom with tmo 8.0 modem for wifi. Now the at&t Oreo rom is available and installed, but it gives me a missing baseband unless I use the tmo modem. Oh well, suppose I will wait for the next at&t update at this point unless someone has any suggestions.
I have a Sprint version coming tomorrow so I'm not as bothered by it any more, and I'm looking forward to the unlocked bootloader.
I tried to download that ROM but do not tell me
When you say the numbering of the At & t ROM It is smaller than tmobile's
I just installed the ROM 8.0 from at & t is working very well, any news I will communicate, thanks for the information
I have a problem with this version the 4g LTE does not grab me
I am having the same issue, did you ever find a resolution for this?
robbb9119 said:
I am having the same issue, did you ever find a resolution for this?
Click to expand...
Click to collapse
No, unfortunately.
I have a second Z2 Force from Sprint which I use, and this AT&T version exists solely as a mini WIFI tablet. I'm hopeful the 9.0 Pie update will breathe more life into it eventually.

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