Appendix 181
FAQ
This chapter lists some problems you might encounter when using your
device. Some problems require you to call your service provider, but most
are easy to fix yourself.
Device overheats
Device overheats while it is in use.
In the following cases, the battery consumption increases and the device
may overheat:
• When you turn on the device for the first time or back up the data
• When running multiple apps simultaneously
- When multiple apps are running in the background
- When downloading large files while making a video call or recording
a video
• When using features that require high power
- When watching video streaming on the internet, or recording a long
video
- When playing high-end games for long time
- When using the device with maximum screen brightness for a long
time
• When using lots of mobile data
- When using Wi-Fi hotspot or tethering
- When synchronizing the data for multiple accounts simultaneously
• Other cases
- When roaming overseas
- When using the device in areas with weak signals or no reception
- When charging the device with the charger/USB cable port that is
damaged or contaminated with foreign substance
• Some of the above cases may not apply depending on the features and
apps.
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