I'm not sure but now my battery lasts twice as much time.
after 36 hours of normal use I have left 30%
the version 2.9.29 that came together for 16 hours at 20%
and it is super
not. I used 2.9.29 multilang on my RAZR xt910 and it works well on 02.10.12
first Falsh 02.10.12 second flash 02.9.29 multilang and then works perfectly
You can check:p
sorry for the English translator