Firstly I am no expert, however I would like share my experiences and knowledge of battery saving tips. This is probably best suited to novices like myself and some tips maybe obvious to some, but hey if they are, try the next one!
People like to slag off touchwiz because they think it makes them look cool. Touchwiz has improved no end.
Sent from my GT-N7100 using xda premium
Have you ever think galaxy s3 3g connection sometimes unstable?
especially 3g switch between H+,sometimes get stuck,
often stay in 3g,can not switch to H+,
no matter how i to modify(build.prop 3g tweak , init.d tweak)it does n...
Now in play store :
Sent from my GT-I9100 using xda premium
To take pin security off, do not use keyguard, but choose password/pin and then disable.