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Help GB/ICS baseband unknown

The Baseband problem started when I flashed ICS euphoria from toxic 9.
I tried stock>cm7 initials>ICS passion> euphoria>slim, stock>jetpack the same problem IMEI is 004999010640000 or unknown.
The efs folder contains lost + found folder and unable to delete it. I also tried EFS pro to restore EFS. But nothing works coz the nv_data.bin is used and generated by some process. I will attach the nv log file.
Help !!! I am stuck in froyo (The IMEI NO is correct and the phone works in froyo coz nv_data.bin can be replaced easily)

Solved it by deleting all the files in EFS folder and replacing it with back up files.
The phone should be in flight mode. Then restart the phone.

[Q] lenovo A328 imei & baseband is null

imei is invaild in lenovo A328
someone help
give imei restore zip file
or any other way to fix this

root phone, install busybox, repair your imeis with mtkdroidtools.
BR,

Step by Step Answer
Ok so I'm sleepless after an all night session from having the same issue with my partners a369i, many fruitless attempts to fix it until I did the research into why this happened so here's a basic tutorial and the final fix which works for all lenovo's...
Custom roms on lenovos wipeout the 'NVRAM' where the imei is stored resulting in 'Sim not detected'.
You will find 3 main ways to change the imei but they will all fail if you deleted the NVRAM (took me 7 hours to work this out for myself!). Roms generally don't contain the NVRAM files because then every device using the same roms would have a duplicate IMEI, It could take some searching online to find the nvram backups (ian if you still have the issue i am expecting delivery of an a328 later today and can send the files if you PM me.)
ANYONE READING THIS BEFORE FLASHING TO A CUSTOM ROM USE THE STEPS BELOW TO FIRST BACKUP YOUR NVRAM (backup is directly above the restore function). I strongly recommend doing all the following with no sims installed, I rebooted with sims after flashing NVRAM but before changing the imei and i was given a harsh onscreen warning by my network operator that i was using an invalid imei.
Use this only to fix a broken imei with your phones original legal imei's, please do not use for fraudulent purposes to clone or fake an imei
search online or ask a friend with the same model of Lenovo to backup their NVRAM (you will have a duplicate of their imei which can be changed in the final step), you will have a bin file and a tar file hopefully.
I recommend reflashing your device to ensure you are starting fresh.
Download and install 'SuperSU' for root access, no root no fix!
Download to your PC MTKDROID Tools
Connect your device via usb in debugging mode it should be detected by mtkdroid tools in <30 seconds.
Click the 'ROOT' button in mtkdroid to get full root and this allows the application to have terminal access to the device.
when the indicator box is green (ie not blue or yellow) now click the NVRAM / Imei button to open the next screen.
Extract your downloaded backup NVRAM files to your desktop, in the mtkdroid nvram screen go to restore and browse for your backup files. It will flash almost instantly with nothing else to click, you now have created the folder structure and correct files to allow an emei change, you don't need to reboot your phone at this step but if you like you can do so and see that you have gone from a null emie to the one in the backup files.
You can now use the 2 text boxes in mtkdroid tools to enter your own valid imei, click 'CHANGE'.
The process is now complete you can reboot the phone to detect the new emei, i recommend doing this without sims installed for the first boot, once verified in android you can install the sims and use as normal.

issue for fixing imei
Hi guys,
above methods are not working for my lenovo a328. Please help us guys.

Root your phone.
Install ROOT EXPLORER.
Navigate to DATA folder, locate NVRAM folder and delete all of its content!
First set permission to data folder to RW or else it won't let you delete any files...
Reboot your phone.
Now A328 should generate the correct IMEI.
Good luck!

If anyone needs a NVRAM, this Russian forum thread has all of them. but it requires registration.
Reuploaded a328 NVRAM on mediafire

[Q] How to repair IMEI on I9300I. [Q]

Hey folks,
I have GT-I9300I S3 Neo Duos. I brought it from Russia and i moved to India i don't have to unlock the device as its working without any problem for last 2years.
Is there anyway to repair the IMEI of my device a day before it was ok .
Device was lagging so i Restore to its original setting & after restart my device IMEI is gone for good.
Thanks in advance

Search for imei changer on playstore...
There r Xposed modules also to change write a new imei number

sahilkhan9557 said:
Search for imei changer on playstore...
There r Xposed modules also to change write a new imei number
Click to expand...
Click to collapse
actually i tried to put it via xposed but nothing worked or may be i not doing it the right way.
both of my sim are not showing.
if u can tell me the right procedure to work on Xposed.
thanks

mukulkas143 said:
actually i tried to put it via xposed but nothing worked or may be i not doing it the right way.
both of my sim are not showing.
if u can tell me the right procedure to work on Xposed.
thanks
Click to expand...
Click to collapse
U need a root explorer app and of course root! Also
The steps are little bit tricky...
Step 1
Make a copy of your EFS folder on your sdcard using root explorer and then backup to your computer [ to have another copy if you have to format the sd card sometime ]
Step 2
Delete the EFS folder (Make sure you have the BACKUP in a safe place as mentioned in STEP 1) from the root of your phone using root explorer.
Step 3
Do a Factory Reset. After that, navigate to the root directory of your phone.
Step 4
Go to EFS folder using root explorer; delete “nv_data.bin” and the “nv_data.bin.md5” files.
Step 5
Go to your backed up EFS folder on your sd card, copy the “IMEI” folder to the EFS folder at the root of your phone, then again go to the backed up EFS folder in your sd card and copy the ” .nv_data ” file to your EFS folder at the root of your phone using root explorer.
NOTE: the dot in first of nv_data is not a mistake, copy the “.nv_data” file.
Step 6
Make another copy of the “.nv_data” file in EFS folder in your phone, so you would have 2 copies of “.nv_data” in EFS folder.
Step 7
Rename one of “.nv_data” files to “nv_data.bin” and another one to “nv_data.bin.bak”
Step 8
Open Command Prompt in your Windows PC (Terminal for all you Linux users) at the ADB tool path, or run Terminal at your phone enter these commands:
adb shell (use this command if you use ADB, if you’re using terminal, skip it )
su ( When the option comes up allow the superuser to access the file system by clicking “grant” on the phone screen )
chown 1001:radio /efs/nv_data.bin
Step 9
Reset your phone…. after that you have your original IMEI. you can check your IMEI by dialling *#06#.
You have successfully recovered

It seems to me the nv_data files are not present in the efs folder.
I was just going through steps but I didn't find these files.

I have backed up the files before flashing the phone using the twrp & Samsung tool box. But in both of the backups there is no nv_data files available. N currently in efs folder there is no no_data file.

the dot in front of .nv_data means they are hidden. you probably won't see them

mukulkas143 said:
I have backed up the files before flashing the phone using the twrp & Samsung tool box. But in both of the backups there is no nv_data files available. N currently in efs folder there is no no_data file.
Click to expand...
Click to collapse
Try to Enable "show hidden folders" first

sahilkhan9557 said:
Try to Enable "show hidden folders" first
Click to expand...
Click to collapse
yeah i have done that but still no good as there is no nv_data as well as no bak file.
Now i have no clue what to do next....

Tried xposed module & Imei changer by xposed.
Now both the sims showing the same IMEI n both are showing no service.
can anyone help...
Thanks in advance.

you could try flashing a fimware for india. maybe that could help.

How to fix NVRAM WARNING :Err=0x10 in wifi

Many MTK device's users are facing the WiFi NVRAM WARNING err 0x10
This method is easy as any other methods..
What you need to perform the methods..??
1. A Rooted MTK device
2. Root Browser.apk
3. Wifi Error Fix.rar
How to do this?
Extract the files from the WiFi fix.rar
On Your Rooted device go to root Explorer after opening u are in system root.
Then navigate to File system root/
nvdata/APCFG/APRDEB
There you will found to files named 1) WIFI , 2) WIFI_CUSTOM just simply delete these files
Now put the two files from WiFi Fix.rar in that location (system root/
nvdata/APCFG/APRDEB)
After this process complete You need to just reboot your device. Now go to the wifi setting the nvram msg is gone..!!
I tested this on my Lenovo A7010a48 aka K4 Note aka X3 Lite.
Links for downloading
1. WiFi Fix.rar
https://drive.google.com/folderview?id=0BxRqjyNWrdw2aUtNbC1ta181WVE
2.Root Browser
https://play.google.com/store/apps/details?id=com.jrummy.root.browserfree
If I helped you all just say thanks by hit the Thanks Button...

Did not work.....any other options I can try ?

Thanks. it worked for me.

Thanks. It worked for me

Great man! Its working as it saying. Thanks

TheRSW said:
Many MTK device's users are facing the WiFi NVRAM WARNING err 0x10
This method is easy as any other methods..
What you need to perform the methods..??
1. A Rooted MTK device
2. Root Browser.apk
3. Wifi Error Fix.rar
How to do this?
Extract the files from the WiFi fix.rar
On Your Rooted device go to root Explorer after opening u are in system root.
Then navigate to File system root/
nvdata/APCFG/APRDEB
There you will found to files named 1) WIFI , 2) WIFI_CUSTOM just simply delete these files
Now put the two files from WiFi Fix.rar in that location (system root/
nvdata/APCFG/APRDEB)
After this process complete You need to just reboot your device. Now go to the wifi setting the nvram msg is gone..!!
I tested this on my Lenovo A7010a48 aka K4 Note aka X3 Lite.
Links for downloading
1. WiFi Fix.rar
https:// drive.google . com/folderview?id=0BxRqjyNWrdw2aUtNbC1ta181WVE
2.Root Browser
https:// play.google . com/store/apps/details?id=com.jrummy.root.browserfree
If I helped you all just say thanks by hit the Thanks Button...
Click to expand...
Click to collapse
thank you bro worked it good.
you made my day and efforts
thank you

i managed to remove the nvram error but my wifi signal is too weak

Imacwear m7 Stock Android 5 Rom

Hi everyone.
ive just uploaded a stock android 5.1 rom that i had from the supplier
You must backup your imei before flashing. nvram.bin. i will not be help responsible for any imei loss. and i will not explain how to recover an imei either.
download the zip and extract the folder . rename the folder to ROM. now move the folder to root of c:\ ( it will not work unless the files are structured c:\ROM\)
when flashed using standard flashtool, it will erase your device as it has to be repartitioned to work. so be waned, BACKUP YOUR IMEI OR NVRAM.bin
https://drive.google.com/file/d/15OBJTA8FysyqdG80NDMFrhCSpyIXfBdp/view?usp=sharing
Ps. i can only hold the file for 1 month. so if someone else could upload this file to another share would be much appreciated.

thankyou so much for getting back to me, i will flash it when i get home

https://drive.google.com/file/d/15OBJTA8FysyqdG80NDMFrhCSpyIXfBdp/view?usp=sharing
dos not work