my note is not coming back from ultrapower saving mode?

Every night i put my phone into ultra power saving mode to save battery but one morning i try to change it from ultra power saving mode to normal mode it is not working (my cellphone is sprint one and from us) currently iam using it in India.
Sir, kindly try to solve my problem.

thx

from Android Forums at AndroidCentral.com - Ask a Question http://ift.tt/2bOhcpB
via IFTTT