How to repair Invalid IMEI HM Note 1S CMCC ,Codename Gucci Help
This is a continuation to my previous thread on How to backup your IMEI. Hopefully you already have taken backup as per my earlier thread. If you missed It Check Out from Link BelowThread link - HERE http://en.miui.com/thread-59832-1-1.html
When do you need to Restore IMEI. After flashing a rom, chances are your phone will not be able to latch onto a network. This happens when the IMEI of your phone is corrupt, i.e its not the original IMEI but numbers like 000000000000, or Invalid Imei . Here you would need to restore the original IMEI from the original files that we had backed up earlier.
Restoring IMEI will also help in resolving other problems like
• No IMEI• Invalid IMEI
• BASEBAND UNKNOWN
• Cant detect the sim card inserted
• Cannot call or receive calls
Prerequisites:
(1) You need to install Miflash, for the drivers. (Miflash Setup link at end of post)(2) You need to enable usb debugging from developer option. (go to about phone in setting and tap build version/ miui version 7 times to enable developer options in settings menu)
(3) You need to have ADB fully setup.
(4) Your Device needs to have ROOT permissions (use forum search feature to seach rooting guide for specific device and rom version stable / dev)
(5) You need to make sure the Adb drivers are installed correctly.
(6) You need to have a Windows Operating System or terminal Emulator on Phone with root access
(7) Backup of the IMEI from the previous post as per the link provided above.
N.B::- Miflash has inbuilt adb setup , and adb diver so, you can follow below guide to use the miflash default adb.
Method::→1
Copy the Three (3) Partition Backup to the root directory of Internal storage of phone. (dont copy inside any folder)
Once you have copied these files on your phone, Start Command prompt on pc or Terminal Emulator on phone and follow the code mentioned below. (assuming miflash is installed in directory C:\Program Files (x86)\Xiaomi\MiPhone\ )
- cd/.
- cd program files (x86)
- cd xiaomi
- cd Miphone
- cd google
Copy the Code
- cd android
Now, you have reached the Default ADB Configured Folder
Type the below codes
- adb devices
- adb shell
Copy the Code
- su
If you get an error messge like permission denied, KINDLY CHECK If YOUR PHONE HAS ROOT ACCESS
If you were successful till here, then now we are good to Restore the IMEI backup of Redmi Note Prime(GUCCI→HM NOTE 1s)
before Restoring we have to make sure that the efs partitions are cleared and dont have previous data so follow this codes before restoring
Use the below mentioned codes to restore
- dd if=/dev/zero of=/dev/block/mmcblk0p12
- dd if=/dev/zero of=/dev/block/mmcblk0p13
- dd if=/dev/zero of=/dev/block/mmcblk0p16
Copy the Code
- reboot
- dd if=/sdcard/mmcblk0p12 of=/dev/block/mmcblk0p12
- dd if=/sdcard/mmcblk0p13 of=/dev/block/mmcblk0p13
Copy the Code
- dd if=/sdcard/mmcblk0p16 of=/dev/block/mmcblk0p16
Method::→2
before Restoring we have to make sure that the efs partitions are cleared and dont have previous data so follow this codes before restoring
- dd if=/dev/zero of=/dev/block/mmcblk0p16
- dd if=/dev/zero of=/dev/block/mmcblk0p17
- dd if=/dev/zero of=/dev/block/mmcblk0p20
Copy the Code
- reboot
- dd if=/sdcard/mmcblk0p16 of=/dev/block/mmcblk0p16
- dd if=/sdcard/mmcblk0p17 of=/dev/block/mmcblk0p17
Copy the Code
- dd if=/sdcard/mmcblk0p20 of=/dev/block/mmcblk0p20
Now Phone would reboot , Your Imei is Fixed (Restored) :)
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