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Touch to see recently used apps.
Touch to go to the previous screen.
Press or hold either end to turn the volume up or down.
NOTE:
The positions of the Back key and the Recent apps key are
interchangeable through Settings > Navigation key.
Installing the micro-SIM Card
Switch off your phone before installing the micro-SIM card.
1. Insert your fingernail into the slot at the bottom left of the back
cover and lift it up gently.
2. Hold the micro-SIM card with the cut corner oriented as
shown and slip them into the card holder.