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Problem

So, after rooting using a custom ROM and rooting my phone somehow WhatsApp wont let me back up my chat history anymore, see below. The problem now is that I want to transfer my chat history from my old phone to a new one.

Unable to backup messages .

Alternative Plan

From what I've gathered WhatsApp Backup files are crypt12 encrypted msgstore.db files that are located at the root directory /data/data/com.whatsapp

Things I have:

  • Old Backup from a few months ago
  • my current unencrypted msgstore.db through root access
  • crypt12 key file through root access

My plan now is to basically create a new backup by encrypting my current msgstore.db and transfering that to the new phone, hopefully recovering my chats. The only thing I need is a way to reencrypt the file to be the same as a WhatsApp Backup File. Or just modifying my existing, old backup with the new content. Is this possible?

  • I'm confused. From the problem, it seems like backing up is not working, but from your solution, it looks like you are trying to restore old messages. So which one is it? – aBochur Feb 27 '18 at 17:29
  • WhatsApp's native backup function seems to be broken for some reason and I cant get it to backup locally. However I do have access to the msgstore.db which is what a backup contains. I want to transfer that to my new phone with but I need to wrap it as a backup file first so Whatsapp will accept it and I can restore it like a normal backup on my new phone. – Syntic Feb 27 '18 at 17:38
  • oh, I didn't realize you are trying to transfer to a different phone. I can't give any good ideas on how to reencript, but did you try saving to Google drive? – aBochur Feb 27 '18 at 17:47
  • I had the same problem when I bought my phone last year. But my chats were not very important, so I didn't researched for a solution for too long to know how to solve it... – Leonardo Alves Machado Feb 27 '18 at 17:59
  • @ABochur Saving it to google drive works by creating a local backup first, then uploading it to the drive so same problem... – Syntic Feb 27 '18 at 18:01

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