thanx guys...i just sell it my htc one s and now im using htc one x...so much different in speed...but some forums said that htc one s is more faster than htc one x...i can't believe it...coz htc one s only dual core with 1.5 ghz and htc one x quad core with 1.6 ghz...different performance in core...btw, there is one more thing that i can prove the performance and overheat...before i root and do some custom rom, the htc one x so terrible... -.- my battery drain so fast event i don't use wifi and mobile data...but after i root and custom the rom, the battery life was perfect even the speed was superb...thanx for ur supports...