Corrupted IMEI - Android Q&A, Help & Troubleshooting

Hello. I have completely and accidentaly corrupted my IMEI. I have IMEI wrtitten on back of my phone. ( I know my IMEI)
Im running TWRP Recovery, custom ROM (lineageos) on Cubot Dinosuar.
When i tried Engineering mode >Connectivity>CDS Information then Radio information and try to change my IMEI with commands in MTKEngineering or MobileUncleTool. (I have both apps currently i am on stock rom because there is no Radio information on custom rom) I HAVE ROOT ACCES AND DUAL SIM
No matter in which app i will do it, when i type command AT+EGMR=1,7,"IMEI" or AT +EGMR=1,7,"IMEI" it doesn't work. The first one always says "This command is not allowed in UserBuild" and the second command just says "AT command is failed to send"
I'm sorry of nonsenseness and english grammar.
Edit: Solved. I had imei file missing in nvram so there was nothing to overwrite. So i placed imei file here, but it was null so i rewrited it to correct imei.

Related

[Q] IMEI is correct but no network detected MT65xx

First I'm so sorry if my question is similar with another threads. But I'm pretty sure I have been looking for the answer around the internet and of course XDA developer for a week. I follow every guide and method I found. But it still not answer of my problem.
I flashing camera driver I've got from my friend backup using TWRP backup. Actually I only need to choose uboot only to install. But I'm in hurry so I accidentally choose everything includes NVRAM. Since then I've got wrong IMEI on my phone because the IMEI overwritten with my friend phone. But it's not a problem because I can restore my original IMEI with MTKDroid & Tools.
And the problem is my IMEI is now back and corrected. But there is no network detected on the phone. SIM card detected fine. When I go to EngineerMode by pressing *#*#3646633#*#* and open Radio Information on CDS I saw IMSI field was unknown and Radio Status is turning on and off rapidly.
What I have done is :
1. Full flashing with the stock ROM via SP Flash Tools.
2. Change the IMEI with MTK Droid Tools
3. Change the IMEI with AT command ... echo 'AT+EGMR=1,7,"myIMEI1"' >/dev/pttycmd1
No result. IMEI is correct but no network.
I believe this is not a hardware problem, so please help me to solve this problem. Because it's my only phone to communicate with my whole families. I really appreciate with your help. Thanks.

[Q]HDC Galaxy S4 Legend - "SIM is not detected"

I have a HDC Galaxy S4 Legend and for now the problem is that it says "SIM is not detected" also I see that IMEI is null.
How I got to this situation? I' really a newbie in all this things, I just wanted to install a new ROM and after reading and searching and trying to install some kind of recovery files I got a recovery menu in Chinese. Because I didn't know what option to choose I selected something after that the phone started to vibrating and doing some noisy signal I just took off the battery cause it didn't stop. So, of course it did something bad, but after
more straggling I found a recovery file that showed me an English menu then I installed the new ROM hopping it will solve my problem. But, it is not. My phone is working fine (really surprising for me), but thew IMEI is null and SIM is not detected.
What can I do?
I tried to write IMEI inside MTK Tools (GPRS option) but it says "Fail to write IMEI due to radio unavailable or something else"
Also I tried to enter CDS Information --> Radio Information and type AT+EGMR=1,7,"MY IMEI" and I got "AT command is failed to send"
Before "doing all phone tricks" I did a backup from recovery menu, I got this file but I don't know if it can help me to restore IMEI.
Please someone help me, I'm so lost and disappointed.
Waited for a phone so long and now cannot use it.

[Q] IMEI null and SIM not recognized, nothing works

Hello,
My phone: GSMART Roma R2 (Rooted)
I know there are a lot of threads how to restore IMEI but none of them worked when I dial up *#06#, it shows message with two lines containing "null".
I was using MIUI rom for a while and suddenly after I rebooted phone SIM was no longer recognized (before reboot I was playing with SWAP couldn't make it work so I uninstalled BusyBox (could that cause the issue?))
I already tried:
Engineering Mode: Displays "AT command is failed to send"
Terminal Emulator: Doesn't work
MAUI 3G: Flashing new IMEI changed nothing.
MTK Droid Tool - Changing IMEI did nothing.
SN Writer: Writing new IMEI changed nothing BUT when I choosed to read IMEI it successfully displayed both IMEI in the textbox. (So it looks like the IMEI actually is registered on the phone but phone doesn't seem to use it)
Manually writing MP0B_001 to NVRAM: Nothing changed.
I have used backup in CWM recovery to stock ROM, didn't work, then I did factory reset, didn't work, flashed back the stock recovery and installed update from Gigabyte site, didn't work. So basicly now my phone has stock rom, stock recovery, factory reseted and is rooted.
Thank you very much for any answers because I just fell hopeless about fixing my phone
I fixed it using solution here: http://forum.xda-developers.com/showthread.php?t=2599459
Scroll down to post with NVRAM backup, I used that backup to fix it and then just changed the IMEI numbers to my IMEI numbers.

[Q] Acer Z200 back to stock rom

Basicly loaded a dual sim rom on a single sim Acer Liquid Z200.
was helped so far in this thread: http://forum.xda-developers.com/and...ms-cwm-root-acer-liquid-t2960787/post59482099 by @Shreps, but somehow i got this message that due to the 10 post rule i wasnt able to post anymore.
Downloaded the last zip file, but CMW doesnt seem to recognize my SD card.
Tried to load the rom with adb using sideload, but get the message cant find device.
Is it possible to load another version of CMW, mount it with USB and flash the zip file from the pc? And can i use any CMW file or are the custom made for each type of phone/brand?
Any other suggestions, got no clue what to do now
edit 18-3-15:
Tried to re-load CWM with Smart Phone Flash Tool and got this PMT changed for the ROM; it must be downloaded
Update:
Did a format of the device using Flash Tool, MTK USB poort was loaded and was able to flash the ROM for dual SIM.
@stef951
Try to flash this firmware from a Recovery :
update-Acer_AV0K0_Z200_1.012.00_EMEA_GEN1S-sds.zip
It's the stock firmware Single SIM EMEA GEN1s, you should back to your original firmware.
Click to expand...
Click to collapse
used recovery to install the firmware for sinlge SIM.
However now stuck with IMEI issues.
Used Mobile Uncle Tool and MTK Engineering to get into Engineering mode, but get this message: "cannot find engineer mode app"
*#*#3646633#*#* doesnt do anything. Possible that Engineer mode isnt installed? And is it possible to install it on my device?
Tried to load IMEI with MTK droid gave me a message "Changes will come into force after reset", but nothing changed -_-
Any other options on this IMEI matter.....?
Finally found a solution to enter Engineering mode, type *#*#2237332846633#*#*
When i try to change the IMEI with AT commad get a message AT command is failed to send
Tried Uncle tools, but unaible to acces engineering mode with this app.
I can enter a valid IMEI in MTK tools, but after reboot its still unknown.
Tried to copy a new MP0B_001 file to the NVD_IMEI folder
but all failed :crying:
Still searching for the solution, but if someone over here can help me out it would be appreciated.
Phone is not reading SIM card neither, is this because of the IMEI issue?
Acer Z200 Working again!!!
GOT MY PHONE BACK TO LIFE!!!
Lost the serial number and IMEI, had to write them back to NVRAM using Maui META tool.
Tutorial how to found on http://www.gizbeat.com/6058/how-to-...-for-mtk6582-mtk6572-mtk6592-mtk6589-mtk6595/
In the attached ZIP the files i used for the Maui META tool
Android_Gadget_CDC_driver, CDC driver didnt got installed so had to do this manually.
MTK6572 database: BPLGUInfoCustomAppSrcP_MT6572_S00_MOLY_WR8_W1315_MD_WG_MP_V1_P3_1_wg_n
If you have the serial and IMEI number, go to method B under Restoring Values and add the manaully.
When loading the MTK6572 database i also got a warning: execution warning nvram database file is inconsistent with target load
Ignored the warning and just writed the serial and IMEI to the device.
Disconnected, rebooted and got a working serial and IMEI.
So happy that the damn thing got working again.
bro I saw your successful post about Acer Z200. but I can't install CDC Serial Driver .
. how to Install Manually ? Android_Gadget_CDC_driver, CDC driver.
Can you explain to me.
Thanks in advanced

How to restore IMEIs?

I flashed the official Vernee nougat ROM on my Vernee Thor and for some reason the IMEI numbers are now missing
Anyone know how to fix this?
Thanks
Update
I've got as far as flashing the stock 20160504 ROM and using MTK Engineering, but when I enter the AT +EGMR=1,7,"xxx" command the phone says "AT command is failed to send"
Any ideas?
See attached screenshot
If you have database folder inside your stuck firmware U can use SN Write tool and then use modem and AP file from database folder write your imei and Reboot your device .

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