rebuilding .OBB files?

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nex86

Senior Member
Nov 9, 2010
632
48
I'm trying to change the Language on Half Life 2 for the Nvidia Shield.
So I put the VO folder from the PC version with all the .wav files into the .OBB file of the Android Version with Winrar.
It doesn't seem to work though, when I try to run it, the game attempts to redownload the .obb file ..

Is there anything I have to regard, like a signature of the .obb file or something?

Or do I need any special tools to build those files?
 

evildog1

Senior Member
May 2, 2012
1,639
865
I have the same problem with Eternity Warriors 3. the game download the original obb file when the game detect that the obb is modded.