Rio R1
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3. Pull the back cover with your fingertip and
remove it.
SIM card
The SIM card contains your phone number,
memory storage, and details of network service.
To install the SIM card
There are two slots for SIM cards. Left slot is for
SIM2; right slot is for SIM1, the gold contacts are
facing down. And the cut-off corner is facing
toward the outside.
To install the SIM1 card
To install the SIM2 card
To remove the SIM card
1. First, remove the battery.
2. Use your finger to slide the SIM card out of card
slot.
Battery
Your phone comes with a rechargeable battery.
Battery life varies depending on the network, used
applications, and the type of connections attached
to your phone.
To install the battery
Make sure the contact of the battery is close to
connectors in the battery slot.
To remove the battery
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