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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
authorized. Using any unauthorized accessories may
affect your device's performance, and violate related na-
tional regulations about telecom terminals.
• Avoid using your device near or inside metallic structures
or establishments that can emit electromagnetic waves.
Otherwise it may influence 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 tem-
perature 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. Otherwise your device will be damaged.
•
No dismantling by non-professionals and only qualified
technicians can undertake repair work.
• Operating temperature range of 0 °C ~ +40°C and hu-
midity range of 5% ~ 95% are recommended.
Using Battery
• Do not short-circuit the battery, as this can cause exces-
sive heat and fire.
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