Hello All,
For the past 3 weeks, I was reading threads and trying to solve the issue, but no luck. So please help me.
My problem/story started when I have ordered an LG V20 US996 from china, everything was working. I wanted to root it so I have tried this https://forum.xda-developers.com/v20/how-to/v20-h915us996-dirtyelf-bootloader-t3568013 and it worked, but I have lost the GSM Signal
I have tried to fix the issue by going to *#*#4636#*#* -> Phone information, but the US996 rom can’t access this menu. So I have tied to flash LineageOS for US996 it has started but the touch didn’t work so I have used an OTG Mouse, I went to *#*#4636#*#* but no result
After a long search on the internet I have come on a thread that suggest to see the original model of the phone (because as they said in china they may change the phone version), so I have checked the motherboard and I have found out that my phone is VS995.
But when I enter the LGUP or UPPERCUT it says that it is US996, I only can flash US996 KDZ ROM. However, after I went to ##PROGRAM996 I hit there reset (I don’t know exactly where) the phone restarted and now it shows in LGUP that it is VS995
So I have flashed using UPPERCUT VS99512A_06_1114_ARB00.kdz and no result still no GSM Signal then I have rooted the phone using https://forum.xda-developers.com/v20/development/ls997vs995h910-dirtysanta-bootloader-t3519410
I have flashed back the original EFS, no result still no GSM Signal
So I have Installed LineageOS for VS995 in order to access *#*#4636#*#* (because I couldn’t access any hidden menu form the VS995 original dialer) after Installing LineageOS the touch screen didn’t work I have an OTG Mouse, I went to *#*#4636#*#* -> Phone information, I Turn on the Radio but the still no GSM Signal
I have tried flushing multiple kernels and ROMs but no luck
I even tired this https://forum.xda-developers.com/v20/how-to/manual-program-sprint-ls997-v20-t3557676 but no luck, I couldn’t contact Verizon for the MSID number because I live in Lebanon
P.S: I have an IMEI number
I am going crazy here
Please help me
i have also tried this https://forum.xda-developers.com/v2...-ls997-v20-t3557676/post71315675#post71315675
and didn't work
i have no signal problem too, after doing firmware update using wifi, now my VS995 won't register to GSM/LTE network and it says Sim Card is not from Verizon...
how to activate this phone? i'm not in USA as your problem i cannot activate the VS995 using Verizon services,..
what should we do? to activate manually without the Verizon simcards??
Mine was showing no signal until I made a call, then it worked. I'm in the US, though.
VS995
LineageOS 14.1
Verizon
Habe you tried changing to Global. I am in the UK and have a vs995 and i am getting the not a verizon sim (which you can ignore). My problem is that using my contract carrier (EE) i cannot access 4G only 3G GSM but if i use a different carrier sim (O2) 4G/LTE is working.
hey..
can anyone pls share the qcn for vs995..?
Related
My vs980 has no signal and i cannot change the network mode from GLOBAL in settings. I was previously on an older unofficial cm13 with working tmobile service, then i stopped using the phone and came back to it a while later and flashed the latest crDroid nightly (12/12/15) and never looked at the phone again until now, when i realized there is no signal.
I have tried different inactive Verizon and t-mobile sims, yet the phone still says no service emergency calls only, and network is stuck on global. I have tried a modem and efs restore through twrp, and even flashing back to stock to no avail. The phone does have an imei still, which is a good sign however i am all out of ideas for fixing this.
Try flashing stock KDZ. If it won't help, then very well could be hardware failure.
Try flashin stock kdz (maybe your imei has been deleted) ( and sorry for my english?)
I have several issues with my US996 on Verizon, running LineageOS 14.1. (I'm not asking in the LOS threads because I figure more people here know the details of this device)
The main problem is I can't get SMS to work unless I set the preferred network type to CDMA or CDMA/EVDO only. I have been using the "VZWINTERNET" APN.
Any time I set an option that includes LTE (including the "Global" setting), SMS/MMS stops working.
Also, the signal indicator works strangely, oftentimes when I have strong signal the signal indicator shows 0 bars.
Lastly, many of the fields in Settings/phone info/SIM Status are blank, eg phone number, signal strength and service state. (Perhaps this is a CDMA/Verizon idiosyncracy since the SIM is not the primary auth to the legacy CDMA network?)
Do I need to flash the VS995 radio to this device to address these things? Is that even feasible? What about what Verizon calls "Advanced Calling" options? Ideally I would love to have VoLTE and WiFi calling as well.
Thanks.
Exabyter said:
I have several issues with my US996 on Verizon, running LineageOS 14.1. (I'm not asking in the LOS threads because I figure more people here know the details of this device)
The main problem is I can't get SMS to work unless I set the preferred network type to CDMA or CDMA/EVDO only. I have been using the "VZWINTERNET" APN.
Any time I set an option that includes LTE (including the "Global" setting), SMS/MMS stops working.
Also, the signal indicator works strangely, oftentimes when I have strong signal the signal indicator shows 0 bars.
Lastly, many of the fields in Settings/phone info/SIM Status are blank, eg phone number, signal strength and service state. (Perhaps this is a CDMA/Verizon idiosyncracy since the SIM is not the primary auth to the legacy CDMA network?)
Do I need to flash the VS995 radio to this device to address these things? Is that even feasible? What about what Verizon calls "Advanced Calling" options? Ideally I would love to have VoLTE and WiFi calling as well.
Thanks.
Click to expand...
Click to collapse
If youre device is abr0 you can use the patched dll version of lg up. https://forum.xda-developers.com/attachment.php?attachmentid=4233875&d=1502007613 to flash vs955 firmware. I have found that the this version VS9951BA01 is the one has fastboot mode and can get to recovery if you want to use dirty santa on it. or if you get to the you have 9 attempts of 10 to enter the passcode. you will then need to factor reset to get the data formated. But this link has the full instructions. https://forum.xda-developers.com/v20/how-to/guide-patch-lgup-to-unlock-features-t3652222
Drewc4xx said:
If youre device is abr0 you can use the patched dll version of lg up. https://forum.xda-developers.com/attachment.php?attachmentid=4233875&d=1502007613 to flash vs955 firmware. I have found that the this version VS9951BA01 is the one has fastboot mode and can get to recovery if you want to use dirty santa on it. or if you get to the you have 9 attempts of 10 to enter the passcode. you will then need to factor reset to get the data formated. But this link has the full instructions. https://forum.xda-developers.com/v20/how-to/guide-patch-lgup-to-unlock-features-t3652222
Click to expand...
Click to collapse
Thanks for that tip, I will read up on it a bit later.
The main reason I got a US996 rather than a VS995 is the lack of an officially unlockable bootloader on the VZW variant and having to use an exploit to unlock/root it which only works on old firmware leading me into a potential trap if the device ends up in a state I can't either unlock/root or return to stock from.
I already unlocked the US996 bootloader - will that get reset if I flash a stock kdz onto it?
I tried using LGup shortly after I got the phone but I was having problems getting it to work on my Win7 workstation, perhaps I had the wrong version..
Hello, hoping someone can help out, I bought a AXON 7 mini hoping to use it in Iraq, but it does not seem to want to register on any network outside the USA. In the USA I was using a Tracfone T-Mobile SIM and the phone worked great. As I traveled across Europe the phone would not connect to any networks (Germany and Turkey), I figured it was just the SIM not allowing roaming. When I got to Iraq I purchased a Korek SIM and still no dice. I phone sees two networks but will not show any service. I have tried SIM cards from other phones with active service and still nothing. I have even tried a SIM card from ASIACELL and still no dice, it sees the providers but will not show service on the network. When I click "automatically select network" the phone response "registered on network" but still no service. I have tried the usual reset all the way down to a factory reset.
MODEL# ZTE B2017G
Android version# 7.1.1
Baseband version TA.2.1.c1-00101-8976_GEN_PACK
Build # ZTE B2017G_USAV1.2.0B14
Thanks for the Help, Jeff
Flashing EU ROM
Could I safely flash the EU Firmware located here, https://forum.xda-developers.com/axon-7-mini/development/firmware-stock-firmware-t3696538 safely to my device. From what I have seen this may fix the problem.
Thanks, Jeff
Fixed, the long way
fosjef67 said:
MODEL# ZTE B2017G
Android version# 7.1.1
Baseband version TA.2.1.c1-00101-8976_GEN_PACK
Build # ZTE B2017G_USAV1.2.0B14
Click to expand...
Click to collapse
Phone now seems to be fully functional with aid of a lot of reading an testing. I can also replicate the issue consistently. The original issue seems that the pervious owner, or ZTE set the operating band to "United States." Once this has happened the seems to be locked to USA networks, even though it still sees the other networks. Using *#*#4636#*#* method, you can try to change the band, but only 2 options are there "800 cellular" and "United States," I tried to change to 800 but get the response "unsuccessful." So for the fix!
Thanks to all the hard work here, I was able to install the boot loader unlock update for my phone found here: https://forum.xda-developers.com/axon-7-mini/development/unlock-official-bootloader-unlock-t3690496
I then proceeded to install TWRP, backed up the entire system, and then installed Linage. Then used *#*#4636#*#* and the band now had a third option of "Automatic," selected that and bingo, service in Iraq. Recovered the phone with the backup and the fix stuck. Of point in Lineage there is five options in the band selection, 2 options are duplicates (USA and Auto), I assume for each SIM, and you have to select both autos otherwise only one SIM will work.
This probably could have been fixed with a ROOT application that allows you to enable additional bands, but I was never successful in ROOTing my phone.
Hi,
I recieved replacement board for my H910PR, ordered an ATT H910 board and it came with H910 10l firmware.
I made a full dump before flashing H915 10e kdz and yet I don't have signal. Only the sim is recognized. If I go into Hidden menu and try to select LTE bands it says FAIL, if I select network mode as GSM/WCDMA/LTE, it pops SUCCESS but doesn't lock on the signal. Only the simtoolkit works and Service Disabled appears.
How can I restore my H910 10l full dump via patched LGUP ? (eventhough I cant verify if radio works)
I even rooted with dirtysanta, yet its the same story after applying the signal fix. Even when I flashed H910_10r firmware with TWRP, there is no signal at all. Is there anyway I can reset the modem setting? I even written a generic IMEI via MID settings but to no avail.
Please advice Looks like I wasted another 100$ on replacement mainboard
Edit: Forgot to add that Baseband, IMEI everything appears as normal. my IMEI appears as clear in AT&T database as well.
I'm making a second guess that modem is not functioning on this device despite everything appearing as normal.
Update # 2:
It's not the IMEI that's the culprit but the nonfunctional modem. It simply doesn't work with LTE/GSM/3G. IT doesn't catch a single signal bar. I get Service Disabled while sim toolkit correctly shows my sim card options. In the hidden menu, RAT selection gives me error when I try to switch network mode or select an LTE Band. Everything there fails. I even tried Factory Reset R&D and it doesn't work. Radio is permanently gone.
Hello,
I recently purchased an unlocked S10+ because I wanted to install a custom ROM on it.
One of the prerequisites for the install is a firmware upgrade to the latest Android 12 version.
I got the firmware for the phone's CSC and flashed it successfully with odin4 on Linux.
However, the phone will not join T-Mobile's network, even though the APN network is correct in connection settings.
Checking the SIM/RF stack via *#0011# shows valid RF signal, but IMEI Status reports as NG.
The phone works flawlessly over WiFi (VoWiFi, etc...), but reports emergency calls only when WiFi is disabled.
I'm wondering if someone could suggest other things for me to try with the phone to get it connected to the GSM network.
Is this a case of me having to "fix" the /efs partition?
Many thanks.