Tips & Tricks For Mobile Phone

1. Use a speaker phone accessory while driving as this allows you to keep your hands on the wheel and your eyes on the road.
2. Do not permit a battery out of the phone to come in contact with metal objects, such as coins, keys or jewellery.
3. If by mistake you have done something wrong in the settings and you are not able to switch back to original settings then you can reset the settings by typing *#7780#.
4. If a program hangs and you can't shut it down, select the application in the application switching window and press 'C' to close it. It's also a faster way to exit programs.
5. For checking the Call Redirection status Type *#61# and press call.
6. If your phone doesn't have incoming call barring and outgoing call barring, you can try this. For outgoing call barring dial *33*barcode*# and pres OK. To deactivate it dial #33#barcode*#.
7. Close unnecessary active applications like IM chat, instead of letting them run in the background.
8. If you need to block SMS reception (if you are spammed by someone) just press this code: *35*xxxx*16# xxxx is your Call Barring code (default is 0000). To remove this barring type: #35*xxxx#.
9. When the SIM card-pin blocked type **042*pin2 old*newpin2*newpin2*. 
10. In order to keep oneself away from the hackers ensure that a strong password is created for your mobile PC. Also change your passwords one in a month.