Huawei Honor 7 Faq page 27

15.1.25 Why can't I choose the SIM card for making phone calls and why does my phone make phone calls over card 1
by default? ...................................................................................................................................................................... 274
15.1.26 Why can't my phone match the contact with the number in the SMS? .............................................................. 274
15.1.27 Why doesn't my phone play SMS tones? ........................................................................................................... 274
15.1.28 Why can I read the multimedia messages only in slide mode? .......................................................................... 274
15.2 App interaction exceptions ...................................................................................................................................... 274
15.2.1 What can I do if I can't open the pre-installed apps (such as call and messaging) on my phone? ....................... 274
15.2.2 Why does the third-party app installed on my phone encounter exceptions? ...................................................... 275
15.2.3 Why can't some third-party apps be displayed in full-screen mode? ................................................................... 275
15.2.4 How do I clear the cache or web browsing history in the browser? .................................................................... 275
15.2.5 Can I log in to the online bank account using the browser on my phone? ........................................................... 275
15.2.6 What can I do if I can't access the Internet when I am making calls? .................................................................. 275
15.2.7 How do I uninstall pre-installed apps? ................................................................................................................. 275
15.2.8 Why does my phone fail to install an app? .......................................................................................................... 276
15.2.9 How do I install or move applications to the microSD card? .............................................................................. 276
15.2.10 What can I do if an application close unexpectedly? ......................................................................................... 276
15.2.11 How do I close background apps? ..................................................................................................................... 276
15.2.12 Can I use Google applications in China? ........................................................................................................... 276
15.2.13 Can I use an online bank client on my phone?................................................................................................... 276
15.2.14 How to I set some applications not to exit after the screen is turned off? .......................................................... 277
15.2.15 How do I use a third-party input method? ......................................................................................................... 277
15.2.16 How do I prohibit the background running of power-intensive apps? ............................................................... 277
15.2.17 How do I delete the application installation package on my phone? ................................................................. 277
15.2.18 Can I uninstall Phone Manager? ........................................................................................................................ 278
15.2.19 How do I restore Phone Manager after I delete it? ............................................................................................ 278
15.2.20 What can I do if my phone prompts to forbid the installation of an application when I am installing it? ......... 278
15.2.21 How do I restore the deleted Weather app? ........................................................................................................ 279
15.2.22 How do I clean the app cache? .......................................................................................................................... 279
15.2.23 How do I add or delete the app shortcut in the simple home screen mode? ...................................................... 279
15.2.24 How do I search for an app on my phone? ........................................................................................................ 279
15.2.25 How do I use App lock? ..................................................................................................................................... 279
15.2.26 I dragged down the application to lock it under Recent apps. Why do I have to lock the application again after I
restart my phone? ............................................................................................................................................................ 281
16 Backup, restoration, and update........................................................................................... 282
16.1 What can I do if my phone automatically powers off or fails to power on after being rooted? .............................. 282
16.2 Why does the online update fail? ............................................................................................................................ 284
16.3 The update package is available on the entire network. Why can't my phone detect the update package? ............ 284
16.4 What can I do if my phone fails to download the available update package? ......................................................... 284
16.5 What can I do if the system update notification is still available after my phone has just been updated? .............. 285
16.6 Why does my phone display the parsing or installation package verification failure message after the update
package installation fails? ............................................................................................................................................... 285
16.7 Can I back up my contacts groups? ........................................................................................................................ 285