Why Does The Screen Become Black After I Play A Video In Wechat For Some Time; Which Permissions Must Be Enabled For Wechat; Why Is There No Sound For A Wechat Voice Message Received; Why Is There No Sound For A Wechat Voice Message Sent - Huawei Mate 8 Frequently Asked Questions Manual

Huawei Mate 8 Smartphone Feature FAQs
Huawei Mate 8 Smartphone Feature FAQs
Use either of the following methods to solve the problem:
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4.1.16 Why does the screen become black after I play a video in
WeChat for some time?
WeChat is designed such that the phone screen may time out when playing a video as the
phone enters sleep mode.
To prevent the screen from turning off, go to Settings > Display > Auto-rotate screen and
select a proper timeout period or operate the screen when playing a video in WeChat.

4.1.17 Which permissions must be enabled for WeChat?

You are advised to enable permissions for storage, your location, phone, camera, SMS, body
sensors, contacts, and microphone under Settings > Apps > WeChat > Permissions.
4.1.18 Why is there no sound for a WeChat voice message
received?
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4.1.19 Why is there no sound for a WeChat voice message sent?

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4.1.20 Why is there no sound for voice or video calls in WeChat?

Check whether your phone is connected to a Huawei TalkBand B2 or Bluetooth headset.
Disconnect your phone from any Bluetooth device and try again.
Issue 01 (2016-01-27)
Go to Settings > Advanced settings > Memory & storage and change the default
storage location.
Go to Settings > Apps > WeChat > Permissions and touch Clear cache.
Check whether a smart key device is inserted into your phone.
Currently smart key devices have not been adapted to Android 6.0 and may cause
WeChat audio channel chaos. If you can't play a voice message on your phone, remove
the smart key device and try again.
Check whether your phone is paired with a Huawei TalkBand B2.
Older versions of the Huawei TalkBand B2 may have audio problems. Please update the
Huawei TalkBand B2 to version 21.10.07.09.02 or later.
Check whether a smart key device is inserted in the other phone on which the message is
received.
Currently smart key devices have not been adapted to Android 6.0 and may cause
WeChat audio channel chaos. If you can't play a voice message on your phone, remove
the smart key device and try again.
If none of the voice messages received on the other phone have sound, the phone may be
faulty.
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