User Guide
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• Do not wipe the device case with a damp cloth to avoid causing moisture and
faults of the device.
• Do not use chemical products, detergents or water to clean the device.
• Do not store the device in very high or low temperature to avoid damaging the
device. The device should be used in temperatures between -10°C and 50°C.
• If the device falls into water, immediately retrieve it and take it to an authorized
service center.
• Do not disassemble this device by yourself.
• Do not allow the device to be compressed, knocked or dropped to prevent
damage to the device or fire, explosion or other hazards.
Driving safety
• Do not use this device to make calls while driving.
• If necessary, use external equipment to receive calls while driving.
Battery care
• This device contains a battery. Do not disassemble this device or remove the
battery by yourself. Doing so can cause the device to become faulty or result in
hazards such as fire, burning, or explosion.
• Keep the device away from heat sources. Do not immerse the device in liquid.
• Only use the specified charger and data cable.
• Store the battery of this device in temperatures between -15°C and 55°C.
Avoid condensation
When moving the device from a low-temperature environment to a high-temperature
environment, the moisture in the air may condense into water droplets on the outside
or inside of the device. This phenomenon is called condensation. If you continue to
use the device when condensation has occurred, it can result in faults.
Do not use the device immediately in the following situations. Wait a while to allow the
device to gradually adjust to the new environment.
• When going from cold exterior environment to a warm interior environment.
• When a cold interior environment quickly heats up.
• In humid interior environments.
• When going from a cool interior environment to a warm, humid external
environment.
If condensation occurs, wait at least one hour before using the device.