Do you even have the Health & Safety App on your SysNAND?
Reading the error message seems like it is missing something.
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This could probably help you: https://gbatemp.net/threads/testers...-on-a-gw-downgraded-nand.404059/#post-5854644
Read it carefully since it can brick you if you only do it a little bit wrong.
Also don't do anything before you read the full post and understood everything about it.
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Sorry for posting so much .. just wanna help tho.
Here is a case where it worked: https://gbatemp.net/threads/testers...-on-a-gw-downgraded-nand.404059/#post-5856496
Reading the error message seems like it is missing something.
--------------------- MERGED ---------------------------
This could probably help you: https://gbatemp.net/threads/testers...-on-a-gw-downgraded-nand.404059/#post-5854644
Read it carefully since it can brick you if you only do it a little bit wrong.
Also don't do anything before you read the full post and understood everything about it.
--------------------- MERGED ---------------------------
Sorry for posting so much .. just wanna help tho.
Here is a case where it worked: https://gbatemp.net/threads/testers...-on-a-gw-downgraded-nand.404059/#post-5856496
Last edited by Ar5chK3ks,
