Battery Problem

[AdnanKhan2004]

Hello Dear

My Samsung Nexus 10 Tablet drain 20% in 12 Hours itself...in one night

Any suggestion please 

[usama12]

check for software update

[AhsanA]

Hi, Thank you for your interest in Samsung Pakistan. Please visit Samsung's nearest service center to get your issue resolved.

[Hassan100]

hi dears. how to transfer data from phone memory to memory card?