Pin And Puk; Locking The Keypad - Huawei Virqin media VM720 User Manual

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The microSD card and the phone memory are displayed as removable
disks on the PC. You can perform the following operations:
Double-click a disk to open it.
Copy, paste, or delete files on the disk.
Disconnect the phone from the PC.
Ensure that you connect and disconnect the USB cable
properly.
Do not run the formatting command on the PC to format
the phone memory; and it may damage the phone memory
permanently.
You can transfer data and charge the battery by connecting
the phone to the PC through the USB cable.

PIN and PUK

The personal identification number (PIN) protects your SIM card
from unauthorized use. The PIN unblocking key (PUK) unlocks the
blocked PIN. Both the PIN and the PUK are provided with the SIM
card. For details, contact your service provider.
To enable the PIN lock, do the following:
1. Tap and then select Settings > Security settings > SIM
lock.
2. Tap the text box to open the onscreen keypad, enter the PIN,
tap and then OK.
If you enter incorrect PINs for a specified number of times
consecutively, the phone prompts you to enter the PUK.
If you enter incorrect PUKs for a specified number of times
consecutively, the SIM card becomes permanently invalid. In this
case, contact your service provider for a new SIM card.

Locking the Keypad

To lock the keypad, tap Lock in standby mode. To unlock the
keypad, slide from left to right.
If the auto keypad lock function is enabled and the phone is in
standby mode for a preset period, the phone locks the keypad
automatically.
To enable the auto keypad lock function, tap
Settings > Security settings > Auto keypad lock, and then
select the desired duration.
When the keypad is locked, you can press
answer a call or make an emergency call.
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