Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
15.18 Why does my phone generate heat when charging? ............................................................................................... 67
15.19 Why does my charger emit high-frequency noise in a quiet environment? ............................................................ 68
15.20 What can I do if my phone generates excessive heat during standby time? ........................................................... 68
15.21 What can I do if my phone can't properly display the battery level? ...................................................................... 68
15.22 What can I do if my phone fails to be charged? ...................................................................................................... 68
15.23 How do I preserve my phone's battery? .................................................................................................................. 69
15.24 How do I check the battery status? ......................................................................................................................... 69
15.25 How do I check the ranking of power-intensive applications? ............................................................................... 69
15.26 How long should I charge the battery for the first time? ........................................................................................ 69
15.27 What are the precautions when I charge my phone for the first time? .................................................................... 69
15.28 How long does it take to fully charge my phone? ................................................................................................... 70
15.29 Why can't I charge my phone after I connect it to a computer? .............................................................................. 70
15.30 Can I use a Huawei charger in other countries? ...................................................................................................... 70
15.31 Can I use a charger of other brands to charge my phone? ...................................................................................... 70
15.32 Will my battery's lifespan be affected if I play my phone while charging it? ......................................................... 70
16 Managing apps .......................................................................................................................... 71
16.1 Third-party apps ........................................................................................................................................................ 71
16.1.1 Why are the touch positions inaccurate when I play a game? ................................................................................ 71
16.1.2 How do I view the version of Google service framework? .................................................................................... 71
16.1.3 Why can't I synchronize the contacts and calendar events from my Gmail account? ............................................ 71
16.1.4 Why can't I install a downloaded app on my phone? ............................................................................................. 71
16.1.5 Why does the system prompt for installation failure when I install a downloaded app? ....................................... 72
16.1.6 What can I do if the apps consume my phone's memory? ..................................................................................... 72
16.1.7 Does my phone support online banking for online shopping? ............................................................................... 72
16.1.8 Why does the number hop when I start the pedometer? ........................................................................................ 72
16.1.9 Why is the app lock invalidated after I restart my phone? ..................................................................................... 72
16.1.10 Why is there a deviation between the counting of the pedometer app and my own counting? ............................ 72
16.1.11 Which device is counting after I successfully connect my wrist band and my phone? ........................................ 72
16.1.12 Why can't I install some apps and why does my phone prompt "repeated permissions"? ................................... 72
16.1.13 Why is a third-party app still running after I close all the apps at the touch of a button? .................................... 73
16.1.14 Why can't some apps properly work after I recover my phone using the backup data?....................................... 73
16.1.15 How can I tell if the third-party software is compatible with Android 5.0? ......................................................... 73
16.1.16 Why can't I use some third-party apps on my phone?.......................................................................................... 73
16.2 System apps .............................................................................................................................................................. 74
16.2.1 Why can't I open the camera? ................................................................................................................................ 74
16.2.2 Why isn't the camera icon displayed on the home screen? .................................................................................... 74
16.2.3 Why are only a few FM radio channels available? Why do some FM radio channels have noise? ....................... 74
16.2.4 What will my phone do if it can't detect my voice input? ...................................................................................... 74
16.2.5 Why can't I use the voice input command "turn on Wi-Fi"? .................................................................................. 75
16.2.6 How do I disable the App Center update notifications? ......................................................................................... 75
16.2.7 Why can't I connect to the App Center? ................................................................................................................. 75
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