In standby mode (or with touch screen devices after opening the dialler/dialling pad), quickly double press the * key.
- How can I recover/reset/restore my phone software?
- My phone feels warm
- How can I unlock my phone so I can use another network operator’s SIM card?
- My phone does not charge
- Where can I find information about WhatsApp, Skype, Angry Birds, Twitter, NimBuzz, Viber, Fring, or some other non-Microsoft application (3rd party application)?