I installed the ZV8 L update via TWRP to mantain root.
At the same time I proceeded to use the GSM unlock method by changing the build.prop from SPR to either spr, ATT, TMO, VZW, KDDI, and other carriers that are in the hidden menu to no avail. Each time the setting menu would change to the carrier selected.
I decided to try the carrier unlock via the "carrier folder copy method" found here on XDA. After doing the mod, the phone was working on GSM without a hickup, so I can confirm it does unlock the GSM part, also, I did a network scan, it detected ATT and conected to ATT. I DID NOT try to make a test call. (I am from south of the border (Mexico) but live in a border town, I pick up US carriers because of the proximity to the US) Today I traveled to the US, but was so busy with other things, that I totally forgot to see it the phone would connect to ATT, since ATT is my service provider when I roam in the US.
Just as I was going in to Mexico I remembered about the phone, got it, and noticed that in the carrier it said "LG" instead of the usual ATT carrier when I roam. I tried to do a call, but a recording I have never heard before said that my account was not configured for this type of call.
By then I was in Mexico, and could not do any more tests. I reset the phone, and it picked up my mexican carrier without a problem.
I decided to do the NV/RUIM trick from this post..... http://forum.xda-developers.com/sprint-lg-g3/general/unlock-sprint-ls990-cdma-carrier-t2985523
After the mod, my phone rebooted with no service. Right before the reboot, I pulled the battery and placed my nano VZW sim in.
After that I went ahead and modified the build.prop and changed the carrier from SPR to VZW. Did a reboot and when the phone came on I got a couple of UI crashes and hiddenmenu crashes. I went to the mobile settings and changed the phone to Global, and, in shortcut master I changed the network setting to CDMA/LTE/EVdo. A few seconds later, I got signal bars and went ahead to make a test call........at first I got a busy signal, decided to make another test call....
Call went though. Voice was perfect without issues.
Random UI and HiddenMenu crashes, but call go in and out.
In the carrier I get "Partial Service Functionality"
These tests have been carried out in MEXICO, while I am roaming with the mexican carrier, I am not in the US and cannot test the call features, SMS, and/or LTE.
Any one out there in the US would like to test this out?
Also, any coder out there able to figure out how to fix the random UI and hidden menu crashes?
If I flash a Verizon Baseband to the phone, will I brick the phone?
Will I still be able to boot the phone to TWRP to reflash a Sprint BB?
Would a guide of what I did be necesary?
Too soon to post a link for beer donations, or is this something that has/is been done?
UPDATE: I dialed *228 and pop up came up (2nd picture)
Reserved.... who knows.
Hi. Sorry if this has already been addressed. Did my best search but didn't find anything. I was wondering if it's possible to use this phone on carrier's like Metro PCS? For some reason, I can't connect at all. It just gives me the "Not a Verizon SIM" when I put the SIM in. I tried with cricket mobile and was able to connect, so not sure why metro doesn't work at all.
I've tried apn settings. Tried to format, restart, etc. Metro wasn't able to activate it over the phone and suggested I go to the store, but upon calling the store, they told me they don't activate Verizon phones. Could this just be an issue with metro? Or has anyone gotten it to work? Thanks!
Is the phone unlocked? Mine is unlocked, I also get the message "Not a Verizon Sim", but the message doesn't affect my ability to connect using another providers sim.
So I've been unlocked on Sprint galaxy s8 plus Sm-G955U and switched to MetroPCS. I flashed this root firmware from this forum for root. https://forum.xda-developers.com/ga...root-g955u-g955u1-snapdragon-sampwnd-t3658911 . Did the mps code. My service was working had to reset my network many times but I had service. Now for about three days I get emergency calls only in top left corner . I try to make a call and it says not registered to network. I have signal bars . My number reads. My sim is working in different phone. I checked my imei number it's original. I tried air plane mode , LTE to 3g/2g, checked a website to to see I was blacklisted it was clean. I switched firmwares. My voicemail pops up when I insert my card but I can't call it. Tried MetroPCS US LTE and MetroPCS apn can't connect to t mobile network operators. I'm lost. Is there a repair network for this device? Does anyone know how to get my MetroPCS service working again or why it's saying emergency calls only and I can't register to a network? Please help. I checked blacklist because I bought this phone someone and thought maybe that was the problem. https://imei24.com/blacklist_check/
https://m.sim-unlock.net/imei_check/blacklist/
Can anyone help me please?
If reflashing the firmware didn't help, you may need to search for someone to use a box to repair your network. A quick Google search showed me that there are options available. Just search "repair network SM-G955U"
Good luck!
Hey everyone
I have the Canadian variant of the LG G5 (the H831) and I have no LTE option in network mode.
I bought this phone from WIND Mobile (now Freedom Mobile) and it seems like they Disabled the LTE functionality for some reason.
I was wondering if there is a way to enabled it?
I inserted my SIM in my friends phone (same model but with Rogers Wireless) and the phone downloaded the APN settings from Freedom Mobile.
That did not work at all and the phone was stuck on 3G just like my phone.
I heard if I install the firmware from another provider, it might work. However it seems the APN settings from my provider are causing the LTE option to disappear from network mode.
Lastly, I accessed the service menu by dialing a code in the dialer and I was able to enable LTE.
However, I was not able to make and receive phone calls.
Did anyone here have success enabling LTE with this model or similar?
suggestions are greatly appreciated!
I have two used LG G8x - G850QM (unlocked) and G850UM (Sprint unlocked).
I am on T-Mobile for years.
The G850QM on T-Mobile shows wifi-calling on the menu and it works.
The G850UM has no wifi-calling switch on the menu, just not there.
I installed WiFi Calling app from Widget7 from Play Store. The app seemed to bring out a hidden WiFi calling menu. And the WiFi calling works. I confirmed the WiFi calls on my T-Mobile bill portal.
Hope this can help
Does it do anything for Volte?
jdapp said:
Does it do anything for Volte?
Click to expand...
Click to collapse
I used two different VoLTE Check app. Both indicated VoLTE ACTIVE.
I dai!ed *#*#4636#*#* to go into Diag menu. "Phobe Info" indicated that
VoLTE provisioned
Video Calling Provisioned
WiFi Calling Provisioned
EAB/Presence Provisioned
But all the "switches" were grayed out.
This is in my daiily driver LG G8X g850UM on T-Mobile.
I assumed VoLTE is working automatically.
Most people with tmobile on this phone have found that for calls the phone goes from 4g to 3g when making a call. You will only see this transition if you are looking at the 4g indicator while on the call.
The concern is when T-Mobile discontinues 3g next month then you will not be able to make phone calls.
If you dont mind you might take a look as you make a call and see if it stays on 4g.
I understand. I, with 4 LG phones on Tmobile, am in the same boat with a lot of people. And I have purchased more LG phones- 3 V40 , 1 G7 and 3 Q7+ before I learned about the network transition.
Tmobile did a piss poor job in explaining the 3G shutdown.
Today is 4/1, with my Sprint-unlocked LG G8X, I can make a call and the LTE indicator stayed on.
This is what Tmobile has announced.
As of March 31, 2022, Sprint’s older 3G (CDMA) network will be retired
As of June 30, 2022, Sprint’s LTE network will be retired
As of July 1, 2022, T-Mobile’s older 3G UMTS network will be retired
Also Tmobile has delayed Sprint 3G shutdown until May 30.
Downloaded app and enabled, but all my buttons are still greyed out and it definitely still goes to 3g during a call? Not sure why it is not working on my phone?
It has something to do with the combination of native ROM, TMobile or Sprint SIM card in use, provisioning of VoLTE, and the (T-Mobile) LTE channels supported in your phone. I have not figured everything out yet.
It will be a rough ride for me until July 1 when the transition is over.
Forget what I've posted. I f'ked up. I mixed up 2 models.
I just received a T-Mobile email telling me my daily driver G850UM does not have the Volte turned on.
I looked up Phone Info and found Volte Provisioned switch is off and grayed out. When I wrote the post on March 31 the Volte Provisioned switch was on but grayed out.
I swap SIm card to the G850QM phone, and the Volte Provisioned switch is visible and in ON position. Look like I need to switch phone near term. And then find a way to cross flash QM firmware onto UM model. Need research. Fvk T-Mobile and the other two for doing their fake 5G rollout.
Thank you Buontinh. Got Volte, WiFi calling and video calling on my LG G7X G850UM on 20P software.
Uploaded the modded abl_a to both _a and _b. Insert an active T-Mobile SIM card, got new TMobile bootup logo. Got the wifi-calling switch. Got into Phone Info and saw votle Provisioned, WiFi calling provisioned, and video calling provisioned. Grayed out however. I made a call to my landline and the 4G LTE light stayed on. I guess it is working.
Still on Android 10 however.
The most difficult part was to get the phone on EDL mode. Must have tried 20 times before getting the "dark screen" EDL mode, only to learn that a Qualcomm hs-usb qdloader 9008 driver was needed too.
So I followed the below directions from reddit and it worked great on my velvet. I did the same thing on my LG g8x with *#546368#*850# code and I now have Volte, however phone still drops to 3g when it makes a call any thoughts on how to fix that?
There is a way to force enable VoLTE on the "LG Velvet 4G Dual Sim" specifically your version which is the "LM-G910EMW".
By default the feature is disabled on this model variant for who knows why.
Follow the steps below: 1. Click on the "Phone" app and dial "##4636##" -If done correctly it'll automatically bring you to the "testing" settings menu.
Click on "Phone Information" -you should see a list of VoLTE settings however by default they are disabled and greyed out but don't worry there's a way to reactivate VoLTE. (You Will Come Back to this Menu later)
Go to your file app and create a file named "enable_ue" -thats all you need to do just create the file, nothing more nothing less.
Go back to the "Phone" App and dial "#*462633*#910#" -This code is specific to the variant and will not work on other non LM-G910EMW Phones. Dialing this should bring up the "Hidden LG Menu"
Select Field Test>Universal Enabler>Create New Config -a menu with check boxes for VoLTE options appearing
Select the boxes as follows "VoLTE" "ViLTE" "VoWifi" "ViWifi" And finally hit "Confirm" -a prompt will appear stating "Vo Services Updated"
Immediately restart your phone to allow the settings to kick in
After your phone has restarted go into your Settings>Network & Internet>Mobile Networks -If done correctly the VoLTE option will now be unlocked and available.
Switch on the "VoLTE"
Now to double check that your phone now truly has VoLTE enabled, repeat steps 1-2. If done correctly the menu should now say "VoLTE Provisioned Video Calling Provisioned Wifi Calling Provisioned " -if these 3 are all switched on then you have successfully force enabled VoLTE on your LG Velvet 4G Dual Sim LM-G910EMW, congratulations!
reachforthesky said:
I have two used LG G8x - G850QM (unlocked) and G850UM (Sprint unlocked).
I am on T-Mobile for years.
The G850QM on T-Mobile shows wifi-calling on the menu and it works.
The G850UM has no wifi-calling switch on the menu, just not there.
I installed WiFi Calling app from Widget7 from Play Store. The app seemed to bring out a hidden WiFi calling menu. And the WiFi calling works. I confirmed the WiFi calls on my T-Mobile bill portal.
Hope this can help
Click to expand...
Click to collapse
Hello, I sintalled the app and it leads to a LG look menu I never encoutered with a WiFi calling switch !
However, when I go back to the app, then press again the button to open the menu, the switch is disabled.
Any idea how to keep it active ?