1.call phone
2.dial *#*#4636#*#*
3.open usage statistic
4.back
5.open back up and resset
6.activate google back up
7.resset
thnks //////
2.dial *#*#4636#*#*
3.open usage statistic
4.back
5.open back up and resset
6.activate google back up
7.resset
thnks //////