Detailed tutorial on updating the OS? Please recommend.

MTHall51

Member
Bronze
Jul 1, 2010
47
1
8
#1
I have been putting off updating to the current OS due to the disastrous consequences of doing this in the past. I need to find a very basic, step by step tutorial on how to udpate the OS Without losing an contacts, calendar appointments, data, or pics?

Thanks very much.