0
votes
1answer
3k views

Do messages, contacts, files get deleted when you upgrade your Android version? [duplicate]

Possible Duplicate: Will I lose any apps / data if I upgrade my phone’s OS? For example if you upgrade from Froyo to Gingerbread, do messages, contacts, files get reset/deleted?
7
votes
2answers
536 views

What determines power management policies in Android?

I am just approaching to the Smart Phone and Android world and have a couple of doubts: Which modules (and SW or FW?) decide the policies with which power is given to any component of the Smart ...