The operating ambient temperature of the charger is 0C-50C. Do not
use it when the temperature exceeds this limit.
Use only chargers approved by the phone manufacturer to ensure safety.
Failing to comply with this will violate the terms and conditions of the
warranty.
3.1.4. Using the battery
The waiting time and calling time capacities specified by the phone
manufacturer are obtained under the ideal operating environment. The actual
values will vary with the network condition, operating environment and
operation method.
Please comply with the local regulations of disposing the battery (such as
recycling). Do not dispose it as household waste.
3.1.5. Battery level indicator
When the phone is on, the battery level indicator is located at the upper right
corner of the screen.