5
Note: When the battery voltage is low, a warning message is
displayed on the display. Charge the battery as soon as you can, to
avoid any inconvenience, the device can be switched off during a
telephone conversation. Your device can automatically turn off
when the power level is too low.
1. If you use the battery at a persistently low charge, it may
adversely affect the battery life and quality.
2. Use only the charger approved by the manufacturer for proper
operation.
3. Do not remove the battery during charging.
4. Fill the unit for at least 4 hours before first use. This can increase
the efficiency of the multiple charge and discharge cycles.
4.6. Security settings
- PIN code
The PIN code protects the SIM card from an unauthorized user.
The PIN is provided by a network service provider, along with a
SIM card. Carefully enter a PIN code, after 3 incorrect attempts a
SIM card will be locked and an unlock PUK code will be entered.
Please contact your service provider for more information.
- PUK code
The PUK code is required to unblock the PIN code. The PUK
(Personal Unblocking Code) code is provided by the network
service provider along with the SIM card. Keep your PUK code in a
safe place, do not discard it. If you have lost it, contact your
network service provider.
If the SIM card is locked, the device asks for a PUK code. You have
10 attempts to enter the correct PUK code, after the incorrect
code 10, your SIM card may be permanently locked.
Phone password
The phone password can be a 4-8-digit code that protects your
device from unauthorized use.
The factory default password is "1234". When the feature is active,
the phone asks for this code every time you turn it on. To protect
