[Guide] Backup ,restore imei and fix invalid imei number

Requirements :
Imei number
Mobile unkle tools
Es file explorer

Fixing invalid imei
This method dosent require root

Install and open mobile unkle tools
Go to engeeniring mode (MTK)
Under connectivity open cds information
Click radio indormation

Open phone 1
Type in the box
AT+ EGMR=1,7,"Enter your imei number here"
Press sent command
Reboot

In phone 2
Type
AT+ EGMR=1,10,"Enter your imei number here"
Reboot

Do not forget to add space between AT+and EGMR

And your imei has been added

Backing up imei
Requires root
Open es file manager grant root permissions
Go to /data/nvram/md/nvram/
Copy the whole nvd_imei Filder to your sdcard

And this filder is your imei backup

Another way of backing up imei
Use mobile unkle tools and click in backup imei to sdcard
This creates a imei backup in another format but restoring imei is not allways sucess full using this method


Restoring imei
Requires root

just paste the nvd imei folder in
/data/nvram/md/nvram/

And reboot
Imei restored

Using mobile unkle tools
Click restore imei from sdcard
And then reboot
This method not restore imei allways in higher androod versions like marshmallow


Thanks
Hope you like this guide:good::laugh:

Invalid Network Mode (-1)

I am Using Resurrection Remix 5.6.9 in my G2 today i put another sim from another carrier i lost signals and get invalid network mode in preferred network type can anyone help me out i dont want to install new rom again...

invalid argument

my samsung Grand 2 SM-G7102 shows SAMSUNG LOGO ONLY and while going to recovery booting option it shows E:failed to mount/system (Invalid argument) :crying::crying:

flashtool invalid bundle error

Im trying to downgrade myxperia z2 d6503 mm 6.0.1 firmware to LP so I can root. I have followed a few guides so far and I get the same error when trying to flash LP firmware in flashtool

"17/058/2016 13:58:11 - ERROR - root : this bundle is not valid
17/058/2016 13:58:13 - INFO - Connected device : Sony Xperia Z2
17/058/2016 13:58:13 - INFO - Installed version of busybox : N/A
17/058/2016 13:58:13 - INFO - Android version : 6.0.1 / kernel version : 3.4.0-perf-g43ea728 / Build number : 23.5.A.0.575
17/058/2016 13:58:39 - ERROR -
17/058/2016 13:58:39 - INFO - Cannot open bundle. Flash operation canceled"

I have followed all the guides in creating the FTF file to flash, tried various versions of flashtool from new to old and all have similar results. I must be doing something wrong but i cant figure it out. Can someone point me in the right direction please!!!

HALP! failed to mount /data (invalid argument)

I have been trying to reinstall the stock ROM for my BLU Energy X Plus, after trying a few custom ROMs I found.
After trying SP Flash Tools (doesn't find my phone/preloader even with the VCOM drivers installed), I decided to risk playing with fastboot. Boy, am I sorry! I managed to get TWRP back as my recovery, but now /data will not mount. When I try to reformat, I get an error saying it needs a partition size. I think I really f'ed up my partition table somehow :(

pls can anyone help?

Mobile Data much too slow, cant unlock phone because mmi codes are invalid

Hi,
following problem to my LG P930:
I got it as a present because my old phone was crashed. First I wanted to do with the P930 is to get root access and flash CM to it. This was difficult enough, but now I have a problem where I coundn´t find any information.
With original firmware (I think it was 2.2.6 or 2.3.6) LTE was working. Now, with the last CM 11 and with CM 10.2 LTE dowesn´t work. I can ping any homepage with the terminal, but the speed for downloading is just at 40k/s, really really slowly.
I found, that maybe LTE must be unlocked by an unlock-code. Therefore I have to open a menu under the number 2945#*930#, but when I call this, just the msg appears, "Connection problem or invalid MMI code". Most of all #* calls do not work at all!
I tried to fix it, but all methods I found are for MTK devices, but the P930 has a snapdragon cip.
The *#06# call works, my IMEI is valid, I can make calls and send sms, the Internet works, but much too slow for daily use. My Sim Card gets access to o2 network in Germany.
I tried 3 CM ROMS and different settings in APN and mobile networks, but nothing works.
I tried to get network access with a Telekom SIM, but there I couldn´t get any access, so I wasn´t able to make calls, neither sms nor Internet.

does anyone have an idea how to solve this issue? Is that correct, thinking that mobile data doesn´t work because the phone is unlocked?

PS: only thing I found is in this thread, is to rename modemfs folder.

But I don´t understand what eduds mean in post 8, and his problem is not exactly the mine, because his mobile data doesn´t work at nothing.

http://forum.xda-developers.com/show....php?t=2567399

Thanks for response, regards from Germany

Unlock Samsung Galaxy s4 Sprint Sph-L720T Invalid SIM

I have a Galaxy S4 SPH- l720T model and need to unlock it .
I read a post that this model can not be unlocked(xda in 2013).
Does anyone have this model and managed to unlock it?
Here are some model specifications :
Galaxy S4
Model SPH- L720t > Triband<
Sprint
Android Version: 5.0.1
Baseband version: L720TVPUCOK3

Sorry my Google Translate english.

Flash Fails while flashing system.img : invalid entry hash for system index=0

I m using Droid Ultra (xt1080) SU6-7.7 and i was trying to flash the same firmware because the previous one was corrupted and wifi and bluetooth stoped working and settings began to crash , etc.

I downloaded RSD Lite latest version and adb drivers and stuff and i charged the phone to 100% and finally started flash and it went good in the start but when it began to flash system.img it took a long time and FAILED. with a message on the screen "invalid entry hash for system index=0"

I also tried House Of Moto , Adb and Fastboot but it also gives the error: "invalid sparse file format at header magi". PLEASE HELP ME OUT OF THIS MY DEVICE IS BRICKED :confused:

the firmware i m trying to flash " VZW-4.4.4-SU6-7.7-release-keys.xml.zip "

Invalid IMEI after installing ROM

Hello,
I've Galaxy S III,
I tried to install an official ROM on the device
It's baseband version is : XXUGNA8
After installing,
The IMEI became invalid and it became 04949....
Are there any way to restore it without box service
Note : My device isn't MTK and I didn't have any backup from " efs " folder
Help me :(
Thanks !

Lenovo Vibe K4 Note Invalid IMEI Problem

Hey Friends.
I Flashed my k4 note using sp flash tool, by choosing Format+Download option, my IMEI no. is erased.
It Shows invalid imei. :confused:
Please help me to solve this problem.