Utility for converting Helium Backup file into regular TAR file

This tool was originally available as Helium_ab2tar.zip, original copy seems to have vanished.

Archived for convenience here, all copyright (c) original authors.

License

Originally written by xaos.cz @ XDA-Devs

Makefile by seXneo @ XDA-Devs

http://forum.xda-developers.com/showthread.php?t=2616961

Usage:

ab2tar_cut [.ab file] [temporary file]
ab2tar_corr [temporary file] [.tar file]

Modifying telephony database:

WARNING! In order to backup must have root ownership all following commands need to be executed with sudo!

1. Make a backup with Carbon.

2. Copy .ab file to ab2tar folder.

3. Run ab2tar_cut to create temp file.

4. Run ab2tar_corr to create tgz file from temp file.

5. Un-TAR tgz file and modify apps/com.android.providers.telephony/cb/custom.cb file.

6. Save and TAR with command:

   tar -cvf ./fix.tgz apps/com.android.providers.telephony/cb/custom.cb

7. Check the fix.tgz file by running tar -tf ./fix.tgz - it should output:

   apps/com.android.providers.telephony/cb/custom.cb

   WARNING! apps/com header is very important! There cannot be anything else!

8. Run tar2ab_corr to create temp file from tgz file.

9. Run tar2ab_cut to create fix.ab file from temp file.

10. Rename fix.ab to com.android.providers.telephony.ab.

11. Copy new telephony.ab file to your Android phone to carbon/com.android.providers.telephony folder.

12. Restore modified backup with Carbon.