Trevi Flex 50 C Manual De Usuario página 23

• A dirty outlet will cause poor electrical contact, lose of power and even inability to
recharge. Please clean regularly.
Turn off the phone before proceeding with the following points:
1. Carefully remove the rear cover by releasing the lever on the side of the cover rear-facing
mobile, as shown below;
2. Insert the SIM into the SLOT with the metal contacts facing down and paying attention
to respecting the position of the cut angle of the SIM;
3. Insert the battery by paying attention to the metal contacts;
4. Replace the rear cover carefully, taking care not to damage the plastic anchors;
5. Before using the unit for the first time, you must fully charge the battery to use the USB
cable and power supply.
Note:
• If the battery is fully charged, the phone will not turn on, it will take 4 minutes to allow
the phone to reach a sufficient charge state for startup.
• When the battery is low, the unit will emit a sound if the charge is insufficient, the unit
2. Installing the SIM card and battery
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