you to remember and harder for others to guess.
1. Press Home key > tap
up SIM card lock.
2. Choose the SIM card you want set.
3. Make sure you already tick the Lock SIM card check box.
4. Tap Change SIM PIN.
Managing Your Device Memory
Press Home Key > tap
You can view the space information of the SD card and the
phone storage.
Unmount SD card: You can unmount the SD card to
safely remove it.
Erase SD card: Erase all data on the SD card.
Privacy: Reset to Factory Settings
Press Home key > tap
Factory data reset > Reset phone > Erase everything.
WARNING: All your personal information and downloaded
applications on your phone will be erased after the resetting.
Applications
Press Home Key > tap
> Settings > Security > Set
> Settings > Storage.
> Settings > Backup & reset >
> Settings > Apps.
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