Fix TWRP Error 7 (While Flashing Custom ROM via TWRP)

In this article, we will be sharing with you all the methods to Fix TWRP Error 7 While Flashing Custom ROM using TWRP. When you are trying to flash a Custom ROM, you might see the TWRP Error 7 when flashing ROM using TWRP. If that is the case with you then the below article could help you out.

TWRP or Team Win Recovery Project is the most popular Custom Recovery out there. Despite the arrival of many advanced Custom recoveries like OrangeFox recovery, TWRP still stands out to be the most widely used one because of its numerous features and wide compatibility.

The TWRP Custom Recovery allows you to perform n number of operations on an Android device leveraging its open-source nature to make modifications and allow customization to the users. Apart from flashing custom ROM, TWRP Can be used for Unlocking bootloader, rooting Android, flashing modules, and so on.

However, just like any other system, TWRP too comes with its own set of flaws. One of them is the TWRP Error 7 while flashing custom ROM using TWRP. If you too are getting this error while flashing a custom ROM, then you can use the below guide to fix TWRP Error 7 while flashing custom ROM.

Also see – How to Fix FAILED (remote: variable not found) Error

How to Fix TWRP Error 7 while flashing custom ROM using TWRP

In order to fix TWRP Error 7, we will need to know the reason for this error. The error occurs when you are trying to flash Custom ROM in TWRP but the ROM’s updater script file checks if the device you are using is compatible with the ROM file.

This mechanism is known as Asserts. It is this safety mechanism that makes sure the user does not install incompatible ROM on their device. But if you still install such a ROM, you might end up bricking your device.

twrp error 7

Now you might be doubting the compatibility of the ROM with your device. But the thing is, nowadays many users are getting the TWRP Error 7 indicating that the ROM they are trying to install is not compatible with your device. However, that is not the case. You might still get the error even when installing the right and compatible ROM.

So, if you too are getting TWRP Error 7 while flashing custom ROM, then follow the below steps to get rid of the error.

Step 1: Extract and Rename ROM File

First of all, extract custom ROM file that has caused the error on your PC. Then go to the Meta-INF Folder and then to com>> google>> android. You will see 2 files here – ‘update binary and ‘update script. Now you will have to rename the ‘update script file to ‘updater-script.txt’.

extract custom rom

updater script twrp error 7


Step 2: Open file using Notepad++

Now right click on the ‘updater-script.txt’ file to open it. From the menu, choose the Notepad++ app.

open via notepad

Step 3: Delete few lines

Next up we will delete a few lines from the word ‘assert’ to the next semi-colon. Once you delete the part, you will see that the first line starts from the word ‘mount’.

delete asserts twrp error 7 asserts deletedStep 5: Save and Rename a file

Once you have made the above changes, simply save the file. You will have to then again rename the file from ‘updater-script.txt’ to ‘updater-script.

Step 6: Recompress the file

After you have renamed the file, you will have to re-compress it using 7Zip, WinZip, or other compressing tools.

recompress rom twrp error 7

Step 7: Flash ROM File

At last, you can flash the ROM after you have followed all the above steps. Move the ROM file to your device and now try to flash it again. When you do it now, you will not be seeing the TWRP error 7.

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Concluding Words

I hope you all could easily Fix TWRP Error 7 while flashing Custom ROM using TWRP recovery. In case you are stuck at any of the above steps or have any queries to ask, then feel free to ask us in the comment section below. We will get back to you as soon as possible.

Happy Androiding 🙂

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