Why Are There Black Margins On The Upper And Lower Edges Of The Screen Or The Edges Darker - Huawei Honor 7 Faq

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11.12 Why are there black margins on the upper and lower
edges of the screen or the edges darker?
On the theme screen, there are 2–3 mm black margins on the upper and lower edges of the
screen, or the edges are darker. This is a UI coverage effect instead of device fault and does
not affect the phone functions.
11.13 Why does my screen automatically change or why
does my phone automatically open software?
1.
2.
11.14 What can I do if I encounter touch deviations when I am
playing games?
The navigation bar may be hidden. To address this issue, swipe up from the bottom of the
screen to bring up the navigation keys.
If the screen automatically changes when your phone is charging or connecting to the
computer using a data cable, the voltage may be unstable, or the data cable or charger is
not original. Over-high voltage causes interference on the touchscreen. The touchscreen
may incorrectly detect touching actions. Therefore, use original charger or data cable
provided by Huawei.
Connect your phone to a Wi-Fi network. Go to Settings > Updater > Check for
updates. Check whether any system update notification exists. If yes, update your phone
to the latest version.
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