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• Do not touch the metallic parts of your device so as to avoid a
burn, when your device is working.
Using Your Device
• Please use original accessories or accessories that are autho-
rized. Using any unauthorized accessories may affect your de-
vice’s performance, and violate related national regulations about
telecom terminals.
• Avoid using your device near or inside metallic structures or es-
tablishments that can emit electromagnetic waves. Otherwise it
may inuence signal reception.
• Your device is not waterproof. Please keep it dry and store in a
shady and cool place.
• Do not use your device immediately after a sudden temperature
change. In such case, it will produce dew inside and outside your
device, so don’t use it until it becomes dry.
• Handle your device carefully. Do not drop, bend or strike it. Oth-
erwise your device will be damaged.
• No dismantling by non-professionals and only qualied techni-
cians can undertake repair work.
• Operating temperature range of 0°C ~ +35°C and humidity range
of 5% ~ 95% are recommended.
Using Battery
• Do not short-circuit the battery, as this can cause excessive heat
and re.
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