Mate 8 Goes Blank/Unresponsive - Cannot Wake - Mate 8 Q&A, Help & Troubleshooting

Hey,
Every now and then (maybe 2-3 times a week)... my Mate 8 will go blank/unresponsive. I know the device is still on, because it is warm, the PC responds when I connect via USB & I am still able to use a WIFI hotspot.
But I cannot wake my phone, either with the power button or the fingerprint scanner.
Just wondering if anyone else has experienced this, and has a solution.
Huawei Mate 8, Android 6.0, No Root.
Thanks for any help.

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Have you tried forcing a reboot by holding down the power button for 10-15 seconds?
And thankfully, it turned out that the phone is working fine apart from the screen, remembered where to tap my PIN code and all is well with the world again. Thank GOODNESS. I know you guys would do your best to help anyway
Just out of interest, has anyone else had this issue before?

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Hey guys,
I've found others complaining about the same issues but no resolutions. My phone constantly restarts itself after updating to 5.0
Attached is a video of my phone constantly looping: never mind I can't attach the link because i'm a new user. If you search nexus 5 keeps restarting on youtube you'll see it
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alexkarim said:
Hey guys,
I've found others complaining about the same issues but no resolutions. My phone constantly restarts itself after updating to 5.0
Attached is a video of my phone constantly looping: never mind I can't attach the link because i'm a new user. If you search nexus 5 keeps restarting on youtube you'll see it
Someone posted a trick where if you constantly tap the power button it'll turn on. It works for me, but it only delays the restarts, as soon I stop it turns off. I seriously need some help this is getting out of control. I've tried booting it in safe mode and no luck either, it still restarts itself. I've restored the phone as well, no luck. Hoping for a magic trick or something.
Click to expand...
Click to collapse
How did you solve this problem ? i have the same problem.
Sounds like the power button is stuck. It is not a software issue.
I had the exact problem yesterday. I fixed it by pressing the power button a bit harder than normal (you may have to disassemble the device as I did), and the button works normally again.

help, screen off, mobile ON stuck, can't reboot mate 8

Hi
Mate 8 was working flawless until today, my screen seems totally Off but the mobile itself is on. I can't find a way to force thereboot as this requires the screen to be touched, anyone was a solution as there is no english manual for this device ? I see a small hole on the top that i guess is for something. Does anyone had that problem and knows hos to soft reset the phone ?
You can hold the power button for 10 seconds, for soft reset. Did you try this ?
unfortunately yes, screen remains off while mobile is on. I can recieve calls but you cant do anything as the touchscreen remains off ... I think this looks to be a hardware issue. ****, i ve paid this device 829 USD from ali baba to get it quickly and now it will take ages to get another one from them, hoping they wont make any trouble.
Try hold vol Up and power button. Chinese menu should pop up, use a camera translate with another device(i forget what is what) format clear cache.
But of course it could be your screen is toast.
Screen off, phone still on just happened to me, too. After a while it rebooted by itself. Have the phone for one day now, this is annoying the crap out of me.

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