Check the status of your current repair.
Check the warranty status of your phone.
Enter *#0000# on your phone’s keypad. The display shows your phone’s model and product code.
On older phones, these numbers are printed on a white label in the battery compartment, underneath the battery.
You can use own wallpaper for each of home screen, but only the one wallpaper on the home screen is possible, same picture for both, the portrait and the landscape.