User's Manual

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X5.5SS 4
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Power/Lock Key: Press and hold this key to turn on/off your mobile phone. In standby mode,
press this key to turn on/off the screen.
Menu Key: Press this key to open the action list, so that you can execute the action in current
interface or menu.
Home Key: Press this key to return to the home page from any application or interface.
Back Key: Press this key to return to previous interface, or close the dialog box, menu,
notification panel or the screen keypad.
Volume +/-: Press this key to adjust volume
Installation and Care of the SIM Card
By setting PIN (personal identification number) code of the SIM card, you can protect your SIM
card from illegal operation.
Installing SIM Card
This mobile phone can come configured for dual SIM operation. This configuration will have two
SIM slots. Please turn off the mobile phone first, take out the battery, and insert the SIM card into
the slot; then, place the battery into the battery compartment and install the battery cover.
SIM Card Precautions
By setting a PIN (personal identification number) code for the SIM card, you can protect your SIM
card from illegal operation.