5
Installing the battery
Ensure that the battery is correctly installed.
Connecting the power adapter
When you use F617, it is recommended that you connect the power adapter to F617.
Connecting the headset (Optional)
F617 supports standard 3.5 mm headsets.
Do not frequently remove the SIM card when using F617.
When new phones are delivered, the battery power is low. Therefore, charge the
phone for a while and then power on the phone the first time you use it.
If the phone will not be used for a long time, remove the battery from the phone.
If the battery has not been used for a long time or the battery is exhausted, the
screen of F617 may not function when you charge the battery again. This is normal
After the battery is being charged for a while, you can power on the phone for use
The battery supplies power for only a limited period. Ensure that the battery has
been fully charged before putting it in use.
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