Cannot restore data from backup because original BIP39 is deprecated

Description of the issue:
I cannot restore my data because my recovery phrase is made in deprecated version of Brave. I do not have any device with this data.

Steps to Reproduce (add as many as necessary): 1. 2. 3.

  1. Go to settings > sync > start using sync > I have a sync code
  2. Enter my sync phrase.
  3. Get message: This code was generated by a deprecated version of Brave, please upgrade your other device first

Reproduces how often:

Brave Version(See the About Brave page in the main menu):
Version 1.52.126 Chromium: 114.0.5735.133 (Official Build) (arm64)

Type of devices currently running on the Sync chain in question:
Failing to use one. Trying to use only one MacBook first, then add an Android device.

Additional Information:
I want to learn how to restore my data.

Can you add the word at
As your 25th word?
If your phrase is already of 25 words, then just replace the 25th word with the one at above link

Yes, it worked. Why this change?

To add more security to the key.

@kamran read PSA: Current FAQ - #36 by Saoiray