try this SystemUI.apk，it maybe can fix the back button size
Who have my problem (bigger back button) have to use this apk; if it isnt visible in the citation go to page 2 of this thread; use the first apk
Tested with midsize nav bar reductio...
I'm new to this forum but i have a request: can somebody do a single recovery flashable zip to install at the same time these 3 mods:
1- http://forum.xda-developers.com/showthread.php?t=2202383 (i call it docomo)