Assalam o Alikum

Jab ham mobile ko Power off kr kr us ki battery nikalte hain to us ka time khrab ho jata ha. Jab dobara mobile ko ON kren to wo time settings mangta ha and us per default time 09:00 a raha hota ha.

Question ye ha k time 09:00 hi kion ata ha??? is ke back end pr kia kahani ha?????

waiting for UR comments and replies....