Allview V2 Viper I User Manual page 12

2) Set up SIM card lock: enter 4-8numbers PIN to set the lock of SIM.
If you enter 10 times wrong PUK code, the SIM card will be permanently locked.
3) Password visible: password visible when enter it
4) Select device administration: add or delete device manager.
5) Unknown sources: install apps from unknown sources
6) Trusted credentials: show the trusted credentials
7) Install from SD card: install the encrypted certificate from SD card.
Languages and input
1) Selecting Language: include all the languages on the phone and totally amount of 12 kinds.
2) Spell checker
3) Personal Dictionary: add words to custom dictionary or delete.
4) Input method : you can select Android™ keyboard or MultiLing keyboard input method.
5) Text to speech settings
6) Pointer speed
Reset to factory settings
Backup my data: backup my settings and data of other applications.
Factory data reset: clear all data stored on the phone.
Accounts
Add, manage and change synchronization options for the used accounts.
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