The phone's normal operating
temperature is -20℃ ~ 60℃ .In
order to ensure the normal phone
functions, do not use this phone
outside the temperature range.
Keep your phone dry. Any liquid
Do not drop, knock or harshly
treat the phone. Rough handling
can break internal circuit boards.
Do not connect the phone with
any incompatible enhancement.
Do not attempt to disassemble the
Do not store the phone with
flammable or explosive articles.
Do not charge the mobile phone
The phone cannot be used at an
altitude higher than 2000 meters.
To prevent possible hearing
damage, do not listen at high
volume levels for long periods.
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