SMTX s758, User Manual, Page: 41 / 57

2. Make sure you already tick the Lock SIM card check
box.
3. Tap Change SIM PIN.
Managing Your Device Memory
Press Home Key > tap > Settings > Storage.
You can view the space information of the SD card and the
phone storage.
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Unmount SD card : You can unmount the SD card to
safely remove it.
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Erase SD card : Erase all data on the SD card.
Privacy: Reset to Factory Settings
Press Home key > tap > Settings > Backup & reset
> 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 > Apps.
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