About those ULM models on ebay...

[captain barbosa]

It did not pass the Safetynet check. Also the seller confirmed by pm that it is not a genuine ULM model like they had on the listing but rather "G710PMP unlocked version". I looked up the IMEI and it says it is G710PMPL. The phone settings say it is G710ULM.

Also The Serial number is not on the sticker or on the Hardware info. The Software update center is not working properly. It says not updated yet when it should display the date of the last update. The pop-up says "You are using the latest software version for current OS" yet as I just mentioned it also says "not updated". The Android security patch level says July 1st 2019 which is a year and a half ago. My old phone which is also a G7 that I bought from Google Fi has a security patch level date of February 1st, 2020.

How can I update to the security patches as they come out or is this impossible? Please help.

 

[paxar331]

These don't seem to work with VoLTE. Got a text from AT&T MVNO warning phone will no longer be compatible soon.

 

[jesus.sea]

i'm one of this users, until now i just been able to cross flash my device to android 10 converting it to NULM but i just dream with the posibility of unlocking the bootloader, root and flash a custom rom but i guess it will stay as a dream i guess

 

[Al1630]

These don't seem to work with VoLTE. Got a text from AT&T MVNO warning phone will no longer be compatible soon.

I have the same message. I am on Tracfone (owned by Verizon now) using an ATT SIM. VoLTE is not available to me. Does anyone have experience with other carriers - does VoLTE work on T-Mobile or Verizon?

 

[itswinter06]

I have the same message. I am on Tracfone (owned by Verizon now) using an ATT SIM. VoLTE is not available to me. Does anyone have experience with other carriers - does VoLTE work on T-Mobile or Verizon?

can confirm both VoLTE and VoWifi worked on T-Mobile (ULM20f Pie). However, didn't work with Android 10 (tried KR & CA). Had to go back to pie.

 

[Al1630]

can confirm both VoLTE and VoWifi worked on T-Mobile (ULM20f Pie). However, didn't work with Android 10 (tried KR & CA). Had to go back to pie.

Interesting. I'm running Pie. I turned them both on through the hidden menu, VoWifi showed up in settings but won't actually enable, VoLTE is still totally missing.

 

[itswinter06]

Interesting. I'm running Pie. I turned them both on through the hidden menu, VoWifi showed up in settings but won't actually enable, VoLTE is still totally missing.

I was using command line "LGUP_Cmd" to cross flash and wipe the device first. After that LGUP with "Partition DL" option.
kdz file: G710ULM20f_00_NAO_US_OP_0218.kdz
No hidden menu changes.

 

[Raybo58]

I bought one of these a little over a year ago. I was able to update it to Pie about 8 months ago and I had no issues at all with it. I just put in my carrier's APN info and all was good. Then last week something came up in one of my feeds saying that Andriod 12 roms were now available, so I dove in.

I've put in close to 80 hours on it now. I've been in IT for over 30 years, but all this phone modding is a bit new to me. It took me a ton of trial and error to figure out which versions of which tools were right for the job. The initial searches that brought me here landed on pretty old advice that I was trying to work with. I think I've got a pretty good feel for it now and my tools are all in order.

I eventually got version 30e flashed, but there were issues with it. So I kept going through a loop of trying fixes that didn't help or made things worse, forcing me to go back to Oreo and start from scratch. I have like 8 different roms I've DL'd and have spent days running them all through the wringer. I must have flashed it 40 times by now, but I think I've sorted out which ones are optimal for my goal.

My objective is to get it working correctly on Andriod 10, root it, and install Magisk. I was able to unlock the bootloader about 3 days ago. But now, it doesn't matter what I do or which image I have flashed, I always get a message on boot about the device cannot be checked for corruption. It still boots after a few seconds, but it's a little annoying.

Anyway, the main issue I'm having now is that ever since about the third time I tried to unlock the bootloader, my phone has locked itself to T-mobile as its carrier. No matter what I flash it with, it's stuck on T-Mobile. I ran a check on my IMEI and it says it's a Sprint phone. It even showed me my missing serial number. I can still make and receive calls somehow, but no mobile data.

Anyone have any suggestions?

Also, the IMEI checker displayed TAC and CD numbers. Are they of any use to us?

 

[Surgemanxx]

I bought one of these a little over a year ago. I was able to update it to Pie about 8 months ago and I had no issues at all with it. I just put in my carrier's APN info and all was good. Then last week something came up in one of my feeds saying that Andriod 12 roms were now available, so I dove in.

I've put in close to 80 hours on it now. I've been in IT for over 30 years, but all this phone modding is a bit new to me. It took me a ton of trial and error to figure out which versions of which tools were right for the job. The initial searches that brought me here landed on pretty old advice that I was trying to work with. I think I've got a pretty good feel for it now and my tools are all in order.

I eventually got version 30e flashed, but there were issues with it. So I kept going through a loop of trying fixes that didn't help or made things worse, forcing me to go back to Oreo and start from scratch. I have like 8 different roms I've DL'd and have spent days running them all through the wringer. I must have flashed it 40 times by now, but I think I've sorted out which ones are optimal for my goal.

My objective is to get it working correctly on Andriod 10, root it, and install Magisk. I was able to unlock the bootloader about 3 days ago. But now, it doesn't matter what I do or which image I have flashed, I always get a message on boot about the device cannot be checked for corruption. It still boots after a few seconds, but it's a little annoying.

Anyway, the main issue I'm having now is that ever since about the third time I tried to unlock the bootloader, my phone has locked itself to T-mobile as its carrier. No matter what I flash it with, it's stuck on T-Mobile. I ran a check on my IMEI and it says it's a Sprint phone. It even showed me my missing serial number. I can still make and receive calls somehow, but no mobile data.

Anyone have any suggestions?

Also, the IMEI checker displayed TAC and CD numbers. Are they of any use to us?
View attachment 5826657

30e AWM should work with T-Moble without any issues.I have AT&T and the IMS settings don't provision period with it.This is the copy I'm speaking of if you haven't tried it?Oh,the Swappa information doesn't matter as long as you know the correct model and region version.

LG G710AWM | LG G7 ThinQ | Version: G710AWM30e_00_OPEN_CA_OP_0902 | Firmware for Region: CAN from - Lg-firmwares.com

LG G710AWM Download the latest version of firmware | OS Version: Android 10 Q | Firmware version: G710AWM30e_00_OPEN_CA_OP_0902 | CAN - Fan club LG-firmwares

lg-firmwares.com