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2.5 Power On/Off
Make sure the battery has been installed properly. Power on the phone
and press [End] key until power-on menu appears on the screen.
Some SIM cards may have PIN code protection. If there is a prompt to
input PIN code, please enter your PIN code and then press [OK].
If the SIM card inserted is valid, the mobile phone will automatically
search available network after being powered on. If the SIM card is
invalid, it will indicate no SIM card.
To power off the phone, hold the [End] key until the power-off menu
appears.
2.6 Security password
You can use the access password described in this section to prevent
unauthorized use of your SIM card.
2.6.1 PIN code
PIN code is used to prevent your SIM card from illegal use. If the PIN
code protection function is activated, the screen will display the prompt
for entering PIN code. If wrong PIN codes are entered for three times
in succession, the SIM card will be automatically locked. You must
enter PUK code to unlock the SIM card. PIN code is related to the SIM
card instead of the mobile phone and provided by the network
operator.
2.6.2 PUK code
PUK code is personal unlocking code used to unlock SIM card locked
due to entering wrong PIN codes. If wrong PUK codes are entered for
ten times in accumulation, the SIM card will become invalid. PUK code
is provided by the network operator.