Huawei Ascend D2 Quick Start Manual page 5

Charging the battery
Use the provided USB cable and power adapter to
connect your phone to a power point, or use the USB
cable to connect your phone to a computer.
Your phone's built-in battery is not user-removable. To
replace the battery, contact an authorised service centre.
Do not attempt to remove it yourself.
Your phone supports fast charging, which requires the
provided power adapter and USB cable. Using other
power adapters or USB cables may cause repeated
restarts, extended charging time, excessive heat, device
damage, or in extreme cases, an explosion.
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