Flashing/Installing stock MIUI image to the Rooted Redmi Devices and Fixing the Error 7

If you been wondering why the latest images of Android 7.1 Nougat based Lineage OS or RM OS are not working during the flashing processes showing some kind of Error 7,
Well there are 2 Solution for this problem

1) Edit the Android image zip file yourself remove the line of code regarding to devicename in the
following file which is responsible for this Error 7.
Open the Lineage OS ROM zip using any archiving software like 7zip, WinRAR, etc… You can also open it on your device.

• Now, you need to navigate to this path: META-INF » com » google » android » updater-script.
• Open the file updater-script in a text editor. You’ll see a bunch of lines with the command assert and the model name of the device next to it.
• If there’s a mismatch with the codename of the device in the script, you’ll get Error 7 while flashing.
•   
  
• So, just either edit the code to match your device’s codename or delete all the lines having the code “assert & getprop”
• Save the file.
• Try to install the ROM now.

2) Install the Stock image of the Device in this case its the MIUI 8 from the Redmi

here is the link for it http://en.miui.com/download-301.html
on the section of -

and you also need these two things

b) Download the SuperSu zip file from here to root your phone again. Save the zip file on your phone.
Link here http://www.supersu.com/download

c) Download the lazy flasher zip file here to fix the boot loop issue. Yes, you nee to flash this file to fix the boot problem. Save the zip file on your phone internal memory.

Stable ROM

Click on Download Full Stock ROM if you have not yet rooted the device then you can follow there official guide for it that has been linked next to the download button there.
Else follow this blog.

 
 1. Download all the three files mention above and save all the file on your phone and remember the location of the files.

 2. Now open the updater application on your phone and Tap on the tap on three dots from top right corner and select “Reboot to Recovery Mode.”

 3. Now your phone will boot in the custom TWRP recovery mode.

 4. From here tap on the Wipe > Advanced Wipe and Select Dalvik Cache and Cache > Swipe to Wipe.

 5. After that go back to the main menu of the TWRP recovery. Select Install and Locate the MIUI 8 Recovery Full ROM zip file and flash the same on your phone.

 6. After flashing the ROM, Flash the Super Su zip file to get the Root access, and after that Lazy flasher zip file to fix the boot issue.

 7. Now reboot the system.

1. Download all the three files mention above and save all the file on your phone and remember the location of the files. 2. Now open the updater application on your phone and Tap on the tap on three dots from top right corner and select “Reboot to Recovery Mode.” 3. Now your phone will boot in the custom TWRP recovery mode. 4. From here tap on the Wipe > Advanced Wipe and Select Dalvik Cache and Cache > Swipe to Wipe. 5. After that go back to the main menu of the TWRP recovery. Select Install and Locate the MIUI 8 Recovery Full ROM zip file and flash the same on your phone. 6. After flashing the ROM, Flash the Super Su zip file to get the Root access, and after that Lazy flasher zip file to fix the boot issue. 7. Now reboot the system.

b) Download the SuperSu zip file from here to root your phone again. Save the zip file on your phone. c) Download the lazy flasher zip file here to fix the boot loop issue. Yes, you nee to flash this file to fix the boot problem. Save the zip file on your phone internal memory.