**bleep** bla..You being a racist..i would like to tell u..water proof isn't really water proof..again promoting company's **bleep** agenda.. u better stop talking..my boy. U got a lot to learn..

Dude i didn't ask for certification either..if being certified means promoting a company's agenda charging hefty amount for something cheapest while having other better cheap options..i m better being not one...

Totally rubbish...charging 10k for something u can get for 2k 100% genuine product..is a bulshit...better replace by yourself..make sure u buy a genuine one..and ignore app's battery weak or bad comment..enjoy your new battery life..i changed a phone...