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2.4 Remove SIM card
When you perform following operations, ensure the cell phone is powered off
and separated with charger.
Remove the battery and take out SIM card from holder.
Note: SIM
card is a computer chip containing protocol details, security
information and personal phonebook, etc.
2.5 How to power on/off
Ensure battery is properly installed.
Power on and hold [Power key] button until boot screen appears.
Some SIM cards have PIN code protection. If there is prompt for input your PIN
code, input your PIN code and then press [OK].
After power on, if SIM card inserted is valid, your cell phone will automatically
search available network; if not, it will prompt: no SIM card is available.
To power off, hold [Power key] until shutdown screen appears.
2.6 Security password
You can use access password to avoid unauthorized use of your SIM card.
PIN code
PIN code is used to prevent illegal use of user's SIM card. If your cell phone has
enabled PIN code protection, there will be prompt for entering PIN code. If
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