User's Manual

allowed, your SIM card will be locked and you cannot
access the mobile phone network. Contact your operator
for a PIN Unlock Key (PUK) to restore the SIM card.
Changing Your SIM PIN
You can change the PIN you’ve been given to one easier
for you to remember and harder for others to guess.
1. Press Home key > tap > Settings > Security >
Set 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 > Settings > Storage.
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 > 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.
Installing an Application
You can install a non-Marketing application if you have
allowed the installation of it. Make sure that you select an