In order to hard reset a BenQ-Siemens AL26, you should perform the following steps.
Remember! Hard reset will delete all the data on your device; pictures, contacts, messages, apps and more.
BenQ-Siemens AL26 device will be brought back to the default configuration of a brand new device.
1. Turn the phone on.
2. Enter this absolutely secret sequence *#9999#
3. Let the phone reboot. End.