PM451 Android 9.0 User Manual
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Safety Information
Please note PM451 is battery-embedded design with a removable battery. Unauthorized personnel are
strictly prohibited from disassembling the device.
In case your device does not work as expected, you are strongly recommended to restart it by pressing
and holding the power button for at least 12 seconds until the startup screen appears. If your phone has
encountered a serious error and cannot be recovered, you should reset your phone to factory settings. For
more details, please refer to Factory Data Reset.
Battery Safety Information
Follow the battery safety guidelines for safe usage, storage, and disposal of Li-ion batteries. Improper
battery use may result in a fire, explosion, or other critical hazards.
Battery Safety Guidelines
Use only Point Mobile approved batteries and charging accessories. Other batteries and
chargers may damage the device or result in a fire, leakage, or other hazards.
Do not expose the battery to excessive heat or cold.
Do not use or store the battery in or near areas that might get very hot, such as in a parked
vehicle, near a heat duct or close to other heat sources.
Do not allow objects that may cause a short circuit, such as metal objects, corrosive substances,
or liquids like water, to contact the battery.
Do not disassemble, crush, bend, shred, press, or other actions that may damage or deform the
battery.
Do not use or replace the battery on the go or from a high location. Dropping may result in an
explosion or fire.
Do not put any labels, stickers, tags, etc. on the device or battery. Performance of the device or
battery, such as sealing, drop, or tumble, could be affected.
Close supervision is necessary when used near children to avoid the risk of injury.
If battery leakage is observed, avoid any contact with the skin or eyes and properly dispose of
the battery. If contact has been made, wash the affected area with water for 15 minutes and
seek medical advice.
If you notice any type of damage to the battery, such as swelling, dents, and leaks, stop using it
immediately and contact Point Mobile.
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