Huawei Proprietary and Confidential
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11.46 Why is the usage calibration message of Phone Manager incorrect or is the calibration failed? ............................ 11
11.47 Why can I use only the 2G network? ...................................................................................................................... 11
11.48 What is Signal+? ..................................................................................................................................................... 11
11.49 Where can I learn the Signal+ description? ............................................................................................................ 11
11.50 What is Roaming+? ................................................................................................................................................. 11
11.51 Where can I learn the Roaming+ description? ........................................................................................................ 11
12 Screen and display .................................................................................................................... 12
12.1 What can I do if my screen is erratic? ....................................................................................................................... 12
12.2 Why can I see some horizontal lines under lights when the screen is turned off? .................................................... 12
12.3 Why doesn't the touchscreen respond when I slide the screen to unlock? ................................................................ 12
12.4 Why does my phone automatically open apps or display screens when I am using the phone while it is charging? 13
12.5 Why is the automatic LCD brightness adjustment discontinuous? ........................................................................... 13
12.6 Why does my screen have scratches? ....................................................................................................................... 13
12.7 Why is the screen darker or brighter? ....................................................................................................................... 13
12.8 Why do ripples appear on my screen when I press it hard? ...................................................................................... 14
12.9 Why isn't the screen of my phone as bright-colored and beautiful as that of a Samsung phone? ............................. 14
12.10 What can I do if my screen is exposed to water? .................................................................................................... 14
12.11 Why does my screen look a little yellow? ............................................................................................................... 14
12.12 Why does my phone have a light leakage problem when the screen is turned off? ................................................ 15
12.13 Why does the screen have bright spots, dark spots, impurity spots, or black spots? .............................................. 15
12.14 Why are there black margins on the upper and lower edges of the screen or the edges darker? ............................ 16
12.15 Why is the screen of my phone a little red, unclear, or blurry? .............................................................................. 16
12.16 Why does my screen automatically change or why does my phone automatically open software? ....................... 16
12.17 Why doesn't the touchscreen respond sometimes? ................................................................................................. 16
12.18 Why does the screen turn off during a call? ............................................................................................................ 16
12.19 Why doesn't the screen automatically rotate? ......................................................................................................... 17
12.20 Why can't the virtual buttons on the navigation bar be hidden? ............................................................................. 17
12.21 If I forget the screen unlock pattern or password, what can I do?........................................................................... 17
12.22 Why is the touchscreen slow or unresponsive during normal use? ......................................................................... 18
12.23 How do I cancel the screen unlock password?........................................................................................................ 19
12.24 How do I delete unnecessary home screens? .......................................................................................................... 19
12.25 How do I set a live wallpaper? ................................................................................................................................ 19
12.26 How do I capture a screenshot? .............................................................................................................................. 20
12.27 How do I set the screen switching effect? ............................................................................................................... 20
12.28 How do I add a widget to the home screen? ........................................................................................................... 20
12.29 How do I exit the simple home screen? .................................................................................................................. 20
12.30 How do I display the navigation bar? ..................................................................................................................... 21
12.31 How do I use the screen lock widget?..................................................................................................................... 21
12.32 Why doesn't my phone screen turn off after I cover my palm on it? ...................................................................... 21
12.33 How do I quickly wake up the screen? ................................................................................................................... 21
12.34 Can I operate my phone using wet hands? .............................................................................................................. 21
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