IMEI Unknown after a tmobile update - T-Mobile Samsung Galaxy Note 8 Questions & Answers

During an update pushed by tmobile in Dec 2019, my note 8 displayed an error "IMEI error" and after reboot now shows "IMEI Unknown".
Can anyone suggest a fix. I can afford to to loose a $500+ phone.
Thanks!!

Related

Replaced MOBO, now Serial Number is Unknown and can't unlock bootloader

Replaced my mobo due to bricking my device. Updated the table to 4.1.1 from the asus website and my device has an unknow serial number. I have read this can also be why I can not unlock the bootloader. I get "An unknown error occurs, which may be a network issue. please wait and try again"
Any way to get the serial number to show up/unlock my device?

Galaxy Note4 SM-N910C cert fail only emergency calls

Hey there!
From one day to another my phone stopped working. I did NOT modified in any way, always used offical firmwires.
It says only emergency calls, and when i call someone it says "not registered on network".
I did soft reset/hard reset and also firmwire update, no success. Tried every single soultion in settings (setting only GSM ect ect).
It can
-see the sim card (others too, also sims are working fine in other phones)
-has signal all the time
-see every other phone network (when i try to choose any it says the same "not registered on network" message)
-IMEI and SN number exist not empty or null
I bought it from a supermarket years ago out of the box, factory SIM free, not reported stolen, have my IMEI number when i type *#06#, BUT when i enter the service mode (*#0011#) it says:
CS: reg_denied
MM state: nocellavailabe
PS: reg_denied
GMM state: GMM_noservice
IMEI CERT: FAIL
Support net block : 1
What can be the problem and how could i fix without taking it to a service shop? Any idea/post appreciated.
got a similar problem . i can't register on network and on 0011 i get:
CS: reg_denied
MM state: Attempting ToUpdate
PS: reg_denied
GMM state: LimitedService
IMEI CERT: PASS
Support net block : 1
---------- Post added at 09:53 PM ---------- Previous post was at 09:52 PM ----------
novaw said:
Hey there!
From one day to another my phone stopped working. I did NOT modified in any way, always used offical firmwires.
It says only emergency calls, and when i call someone it says "not registered on network".
I did soft reset/hard reset and also firmwire update, no success. Tried every single soultion in settings (setting only GSM ect ect).
It can
-see the sim card (others too, also sims are working fine in other phones)
-has signal all the time
-see every other phone network (when i try to choose any it says the same "not registered on network" message)
-IMEI and SN number exist not empty or null
I bought it from a supermarket years ago out of the box, factory SIM free, not reported stolen, have my IMEI number when i type *#06#, BUT when i enter the service mode (*#0011#) it says:
CS: reg_denied
MM state: nocellavailabe
PS: reg_denied
GMM state: GMM_noservice
IMEI CERT: FAIL
Support net block : 1
What can be the problem and how could i fix without taking it to a service shop? Any idea/post appreciated.
Click to expand...
Click to collapse
something is wrong with your IMEI . is this phone refurbished or used by someone else ?
Hi, Any update for this?
Did anyone fix it?
techyrock said:
Did anyone fix it?
Click to expand...
Click to collapse
Sent it to Samsung service and they repleaced the motherboard and a few other stuff, but the main problem was that. I have no other info about this issue, working since then.
What about the IMEI?
Sent from my TA-1004 using Tapatalk
techyrock said:
What about the IMEI?
Sent from my TA-1004 using Tapatalk
Click to expand...
Click to collapse
IMEI number, other serial numbers pretty much stayed the same, never lost them. The only thing changed is the date of manufactoring since it has a new motherboard. It was free tho, I managed to get extended warranty, motherboard + service charge overall can go up to 100-150€ /don't take it as a fact/.
Service mode looks this now:
CS: reg_roam (roaming at the moment since on holiday)
MM state: NormalSrv
PS: reg_roam
GMM state: Registered
IMEI CERT: PASS
Support net block : 1

canada on bell network trying to get the new update as of dec 9 2017 ... vtr-l09c557b

so anyone in canada on bell network trying to get the new update as of dec 9 2017 ... vtr-l09c557b312 .. downloads the file 720meg .. boots into recovery says download and install click all that then says getting package info from server then comes back with .. error getting package info .. called huawei they said it is an issue with the file and they are working on it .. just want to know if anyone else in canada getting the same issue?

Galaxy S6 Edge - Cannot Connect to Network (IMEI Issues)

Okay,where do I start.
So I bought this phone off a friend of a friend(I was going to sell it on for profit as it was a good deal).
I noticed when trying to update that it was telling me it was an unauthorised software, so i took it the device was rooted.
I then factory reset the device to see would it go back to factory settings, but just stayed on the custom firmware.
I then decided to flash stock firmware onto the device from Sammobile (device boots up with Three logo so I assumed it was with Three Ireland network so that's the firmware I chose.
After flashing the device it boot up with a dm verity error and would only go as far as the Three logo. After some research I found a discussion and followed the steps in this, flashing a file called CF-Auto-Root-zerolte-zeroltexx-smg925f. After doing this the dm verity error had gone and the phone booted up fine.
I left the phone like this, as I was going to sell it at a later date. Before I sold it I had one last test of the device and noticed it would not connect to a mobile network (I don't think this issue was there when I first got the phone as I am nearly sure I tested my sim card in it, but cant be sure). I just kept getting 'not registered on network' error.
After some more research I downloaded the Samsung info app and ran it. I then noticed a few strange things.
1). The serial number of the device was just showing up as a string of 0's.
2). The imei number that was listed did not match the imei on the back of the phone.
3). The carrier was showing as O2 UK, but Im not sure if this is an issue as O2 and Three are basically the same network here in Ireland (Three took over O2 here).
After doing an imei check, I found the imei listed on the back of the phone to be fine and was showing all the right details, serial number etc. But the imei that was listed as the imei of the phone, in settings and using *#06# was showing up as not existing.
I found this very strange and I'm sure this has something to do with why it can't connect to a network.
Any suggestion on getting this device back working properly as it is just a paperweight now as it is, and after spending money to buy it so I could sell it on I don't want to have wasted that money for nothing.
Any help is appreciated.
Thanks
Nothing? ?

No Signal on Samsung Galaxy S10 5G G977N Korean version (Exynos)

Hi, i have bought G977N and later came to know that its IMEI is tampered to get registered on the local networks. it was working before i upgraded it to G977NKOU4CTG1, the original firmware was G977NKSU2BSL7. After upgrading it did not register any of the networks. Got it checked from software expert he told me the network patching done with tempered imei was damaged and now there is no way to do it again on new version G977NKOU4CTG1. I tried to flash G977NKSU2BSL and also the factory firmware of android pie but ODIN get stuck at BOOT.img and download screen shows non-supported version. Can any one help to restore my original IMEI and will it work.
The IMEI ( read: International Mobile Equipment Identity ) is a unique numerical identifier ( 14-17 digits ) for every mobile device what helps to differentiate each device from one another. If you take your phone in for repair, they will track it using the IMEI to distinguish it from the other millions of phones, for example.
IMEI basically has nothing to do with phone's local network settings at all. But it may be used to unlock a phone on certain networks.
The IMEI is stored on phone's /EFS partition and/or /EFS folder. If you didn't backup that before flashing you have lost, IMO, unless you still have the box in which the phone was delivered, because there is usually the IMEI printed, too.
I don't have the box of the phone. The seller has tempered the imei to get it registered on the local network. I didn't backup before flashing. Now what to do. How to downgrade to previous firmware. I tried to flash the previous firmware but it stuck in boot.img.
They told me solution is available for U3 binary but no solution is available for U4 binary.
Awaiting for help on this issue.
You should have returned the device. Since the imei has been tampered with you will not get much help here. Imei changing and tampering is illegal in most countries. And it's not discussed on xda
Majid41 said:
Hi, i have bought G977N and later came to know that its IMEI is tampered to get registered on the local networks. it was working before i upgraded it to G977NKOU4CTG1, the original firmware was G977NKSU2BSL7. After upgrading it did not register any of the networks. Got it checked from software expert he told me the network patching done with tempered imei was damaged and now there is no way to do it again on new version G977NKOU4CTG1. I tried to flash G977NKSU2BSL and also the factory firmware of android pie but ODIN get stuck at BOOT.img and download screen shows non-supported version. Can any one help to restore my original IMEI and will it work.
Click to expand...
Click to collapse
Did you get a solution for this?
thepredictor said:
Did you get a solution for this?
Click to expand...
Click to collapse
I'm guessing you also bought a tampered IMEI device. Take it to any local market where there are plenty of phone 'software repair' guys. Ask them if they have Chimera or z3x tool. They'll fix your problem for ~800 PKR.
Remember, if you buy such devices, don't flash anything on them. Every time you do, you'll need to go back to the same software guy and pay him to fix your signal issue.
=========================
For other people reading this comment - Yes I understand IMEI tampering is illegal in most countries. The reason people in Pakistan buy these phones is because the government has levied unreasonable duties on all imported devices, without any consideration for the age/condition. For example, a used/refurbished S10 that costs you 250 USD in the US, will have custom charges of about 250 USD applied to it if you want it to work in Pakistan. So basically you pay double.
I have this same issue somtimes the signal comes and somtimes it doesnt.
Try This procedure
Fix No Service & Signal, MIPI DEVICE FAIL, Stuck in Airplane Mode, Samsung Galaxy tested on S7 edge. [G935U, G935A, G935U, G935S, G935K, G935F ]
Fix No NETWORK SIGNAL, Stuck in Airplane Mode & MIPI DEVICE FAIL, for Most Samsung Galaxy Smart Phones After Upgrading to Latest Firmware. tested successfully on : [ Galaxy 7/7-edge : G935U/G935A/G935U/G935S/G935K/G935F ] Reference Video...
forum.xda-developers.com

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