excellent battery life  on moderate usage without gaming !!!

Since few days i am facing this issue. Screen does not wake up if the mobile is kept unused for few minutes...even if an incoming call comes the screen remains blank..even on pressing the power button the screen doesnt wake up..backlight keys get lig...

Getting excellent speed on airtel 4g

plz provide an update so that airtel volte is supported in this mobile

Does a5 2016 handset supports airtel volte??Jio ka mobile data connectivity issues pichle 4 mahine se samsung wale solve hi nahi kar rhe hai....So need to change to network.... but a5 2016 model is not in the list...has anyone tried airtel 4g sim in ...