Battery Full [MT 6572] ETEL Curiosity i6 (HELP NEEDED To Update)

Friends Do you any one using i6 mt6572 ? Please help me to update....

I want to no wish flasher is best and suits for it
Artiven FlashXter
True Speed With Low Performance Devices



Where i came from- SE-K750i> NOK-5130> NOK-6030> SE-K810i> NOK-N73> NOK-5800XM> SE-W910i> NOK-N958GB> LG-GT540> HTC-LEGEND> SAM-GALAXY SHW-M110s> Samsung S3 clone> Etel Curiosity i6> Alps-HDC S4 (GT-i9500 Layout)>

My Device Info:-
Model - Samsung Galaxy S4
RoM - Artiven FlashXter 8. S4
Platform - Android JellyBean 4.2.3
Updater - ColdBeer
FB\- Erick Noz , Skype ID\- Ericknoz , XDA\- Ericknoz