Huawei P8 - Notifications; Status indicator; Notification panel

16.1.9 What can I do if the third-party application can't access my location? ................................................................ 235
16.1.10 Why isn't the system font size applicable to the third-party application? .......................................................... 235
16.1.11 What can I do if there isn't a pop-up window for a new SMS when I am using an application? ....................... 235
16.1.12 Why can't some apps properly work after I recover my phone using the backup data?..................................... 236
16.1.13 When I have an incoming call, why can't I swipe to answer or reject the call? ................................................. 236
16.1.14 Why can't I answer calls when playing a game or watching a video in full screen mode? ................................ 236
16.1.15 Why other handset can not hear P8 When P8 calling with it using Viber? ........................................................ 236
16.1.16 Why Line will exit abnormally .......................................................................................................................... 236
16.2 System apps ............................................................................................................................................................ 236
16.2.1 Why can't I open the camera? .............................................................................................................................. 236
16.2.2 Why isn't the camera icon displayed on the home screen? .................................................................................. 237
16.2.3 Why are only a few FM radio channels available? Why do some FM radio channels have noise? ..................... 237
16.2.4 How do I update, save, and subscribe the magazine unlock wallpapers? ............................................................ 237
16.2.5 Why are some notification SMSs deleted automatically? .................................................................................... 237
16.2.6 How do I delete the WeChat contacts in my phone's Contacts list? ..................................................................... 237
16.2.7 Why can't I send an SMS or why does my phone display that the SMS is being sent? ....................................... 237
16.2.8 Why can't I receive messages? ............................................................................................................................. 238
16.2.9 Why can't my phone receive SMS on time? ........................................................................................................ 238
16.2.10 Why are the icons re-arranged after I unlock the screen? .................................................................................. 238
16.2.11 Why does the FM radio stop when I open the camera? ..................................................................................... 238
16.2.12 Why can't my phone match the contact with the number in the SMS? .............................................................. 238
16.2.13 Why doesn't my phone play SMS tones? ........................................................................................................... 238
16.2.14 Why can I read the multimedia messages only in slide mode? .......................................................................... 239
16.3 App interaction exceptions ...................................................................................................................................... 239
16.3.1 Why can't I open pre-installed apps (such as Phone and Message) on my phone? .............................................. 239
16.3.2 How do I clear the cache or web browsing history in the browser? .................................................................... 239
16.3.3 Can I log in to online banking services using the web browser on my phone? ................................................... 239
16.3.4 What can I do if my phone can't install an application?....................................................................................... 240
16.3.5 How do I install or move applications to the microSD card? .............................................................................. 240
16.3.6 What can I do if an application close unexpectedly? ........................................................................................... 240
16.3.7 How do I prevent third-party applications from automatically starting up? ........................................................ 240
16.3.8 How do I close background applications? ........................................................................................................... 240
16.3.9 Does my phone support mobile banking apps?.................................................................................................... 240
16.3.10 Why are some apps closed after the screen goes to sleep? ................................................................................ 241
16.3.11 How do I set the push notifications of the apps? ................................................................................................ 241
16.3.12 How do I prevent power-intensive applications from running in the background? ........................................... 241
16.3.13 How do I delete the application installation package on my phone? ................................................................. 241
16.3.14 How do I prohibit certain apps from reading personal data in my phone? ........................................................ 241
16.3.15 Can I uninstall Phone Manager? ........................................................................................................................ 241
16.3.16 What can I do if my phone prompts to forbid the installation of an application when I am installing it? ......... 241
16.3.17 How do I restore the deleted Weather app? ........................................................................................................ 241
16.3.18 How do I clean the app cache? .......................................................................................................................... 242