Mate 20 Pro Screen Connectivity Issue - Huawei Mate 20 Pro Questions & Answers

Hey,
A few days back my device just stopped functioning correctly. At first I thought a restart would fix it, I wished i didnt restart as now i cant even use face unlock to unlock the phone. The screen works, but does not register any touch. The resolution seems wrong also. I can't factory reset as it requires me to type yes but i cannot use the screen. Any advice?
Please have a look at the video attached.https://youtu.be/eNGIBxalzX8

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Someone please help, for this Idiot :D

Hey Everyone. I have a extremely annoying and stupid problem with my phone
I have Z5 Premium. What happen is that my phone was always locked with fingerprint and pin number. BUT, for some reason after installing some applications and launchers to try on my phone my locking system sometimes didn't work. Some it lets me just to swipe my finger and I unlocks the phone, without asking for pin... sometimes it asks and sometime it don't, it started to be very annoying so I wanted to check if I change it to password instead of pin if it will be the same. The good news is, it looks like it fixed that problem and the bad news is my phone is so f***ing safe now that I can't even unlock it my self!
I created that password for very temporary time, for some extremely stupid reason I used password which I never used it anywhere else, it was only 4 letters and at that time it looked very easy to type and remember it but I was wrong... I reminded it for 20 mins than I felt a sleep for a short nap and when I woke up, its gone I'm trying to guess that pass and unlock it for 4 straight days now!!
I know I can do hard reset and start again from scratch but I don't want that. I just made all the setups for my phone and everything and I don't want to loose whats in it.
So what options do I have? I found quite few good methods but usually I'm not able to do one of the steps in it..
I tried Google Device Manager method, it didn't work because I already had password not a pin or pattern so it didn't let change pass
The best one I found so far is to flash a script through CWM to remove my pass. The only thing is my phone is stock at the moment and unrooted so I don't have CWM. Another problem is I don't think USB Debugging is enabled on my phone which creates even more problems in my situation I couldn't even get my phone into normal recovery mode when I tried with this phone, anyone know how to do it?
So guys, what options do I have without resting and deleting everything on my phone again?? Please help me, as this thing drives me crazy form 4 days now... I want to smash my phone into wall or my fu****g head because I set that pass up...
Ps. Is it possible to do a android backup on my phone? with looked screen and debugging disabled? but somehow so it doesn't backup my lock screen pass to? I dont think so my self but may be Im wrong..
thanks
I just found another method which I will try now, it could work...
nope, usb debuging needs to be enabled on that method too.. :/
never mind "helpful people" sort it out by my self.. how do i delete this threat??
Hi, I have the exact same problem but I want to hard reset the phone as it is new. What should I do to achieve that?

Blackview BV6000 - camera freezes the phone

I got my Blackview BV6000 two weeks ago and everything was working just fine, until after a week I think, camera started to present the message "Can't connect to the camera". After closing and opening it a few times it eventually worked as it was supposed to. It annoyed me a lot so I wrote on official Blackview forum about this problem. Admin replied that I should try factory reset. I did, and I regret it. After opening the camera application works normally, until I tap the screen anywhere. As long as I for example take photos or videos with physical button, everything is fine, but if i want to use on-screen ones or change something in settings - phone freezes and I have to lock-unlock it a few times to make it react for touch, then i can turn the frozen camera app off. Sometimes it even makes the phone restart. Other applications using camera dont work too, they also freeze when i tap anywhere on the screen.
Is it software problem? Official Blackview forum isn't helpful at all.
Nobody knows what may be the problem? Looks like the software to me since i can still take pics with physical button.

Face unlock requies slide to unlock even if checked unlock automatically

Please help, my Huawei requies after succesfull face recognition unlock still slide to unlock with finger, even if I checked in system settings Direct unlock feature under security option. Week ago everything was OK, now direct unlock not working. Any ideas? Thank You!!!
It does that when the face unlock and fingerprint unlock conflict with each other. It happens to me sometimes.
Just try not to use both at the same time by accident. I set my face unlock to only unlock when I'm looking irectly at it.
Thank You, bazanime, disabling fingerprint unlock solved my problem. But it is still strange to me, untill now (few days ago) both unlocking methods worked together...
Thanx again for help
This happen to me when i have finger print snd face unlock activate, and try to unlock with finger print and fail. In that case always recognise mi face but I have to swipe up to unlock 100%, dont know why either
Sent from my LYA-L09 using Tapatalk
lukecz said:
Thank You, bazanime, disabling fingerprint unlock solved my problem. But it is still strange to me, untill now (few days ago) both unlocking methods worked together...
Thanx again for help
Click to expand...
Click to collapse
You're welcome, Happy to help. Though I wouldn't turn off fingerprint unlock because it still good, just in case your face is not recognised. Just use the face mostly.
lukecz said:
But it is still strange to me, untill now (few days ago) both unlocking methods worked together...
Click to expand...
Click to collapse
Try the following solutions to resolve the issue:
go to your Settings > Reset > Reset all settings . This will reset all settings, no data or documents will be deleted. Reboot your phone into recovery mode (press and hold the Power and Volume Up buttons simultaneously ) and use it to delete cache partitions (select Wipe cache partition) . Finally select Reboot system now.
Good Luck
Try turning off do not distrurb
It only does that to me when I lift my phone and it doesn't initially unlock with my face, so I mash my thumb onto the screen only to get blinded by the icon showing around the edges of my thumb putting out more lumens than Tsar Bomba, which triggers an epilectic fit of apoplectic rage during which I smash the phone repeatedly into my face and attempt to put either of my thumbs *through* my phone over and over again. That's the only time I see that.
This was hapening to me too !
My mate 20 pro always worked with facial recognition every time but recently worked intermittently, I tried all the usual reset and wipe cache partition, then I thought that the only thing I had changed recently was that smart lock and trusted place was on as I noticed that away from home facial recognition would work but at home it would say 'smart lock recognition successful slide to unlock' even though the phone was set to direct unlock - changed it, now problem it solved so maybe check this.
Update 9.1 solve this issue .. now it is much faster
I already updated to 9.1 but problem still existed, smart lock and turn off trusted place was definitely my problem.
The earlier mentioned "smart lock at trusted place" will ruin the face unlock.
NOTE: Even if the smart lock is OFF, it will interfere if you have some location saved and you are trying to use the face unlock in there. So you need to delete the "trusted place" from the smart location.
Simply turning off Bluetooth worked for me

Mate 20 Pro stuck on Smart Cover mode despite not having one

Picture: https://i.imgur.com/Qz2nEa5.png
About a week ago my phone got permanently stuck on the Smart Cover screen and I haven't been able to get rid of it. I've searched around and have tried these options:
Wiped cache and factory reset my phone
Calling it (it goes straight to voice mail and doesn't pop up on the phone)
Waving a magnet over the phone to see if that will unlock it
Letting it off for awhile then turning it back on
Cannot turn off the setting for it as I can't get past this screen
The only thing I can do is get into fastboot mode but HiSuite isn't picking it up.
Any other solutions I haven't tried yet? If not I'll have to get it repaired.
Cheers.
Search for settings : display always on
jesuske said:
Search for settings : display always on
Click to expand...
Click to collapse
I'm completely locked out of the phone as it is stuck on "display always on"
Sorry.
Didnt read properly.
@kenny326 - how did you fix yours? same with mine now. Thanks!
You can disable smart cover mode in accessibility settings
Edit: oh nevermind I didn't thoroughly read through the post...not sure how to fix if you can't even unlock the device...probably something wrong with the proximity sensor

Possible solution for still existing fingerprint scanner issues?

Hi,
I've read this thread and disabled battery optimisation for "com.samsung.android.biometrics.app.setting"* on my Note 10+ and Tab S6 (Wifi).
On both devices the fingerprint scanner is faster :good:
... and it seems to fix recurrent unlock problems with my Tab S6 too
* on some devices it's named "com.samsung.android.biometric"
Important:
it's not known yet if this might have any negative side effects (as battery drain or burning out the fingerprint sensor).
I also did it. But it doesn't make the fingerprint scanner faultless...
Hi, am I the only one having a problem with the fingerprint reader after upgrading to Android 10? ?
I have probably tried everything. Factory reset and clear cache partiotion do not help. The problem returns randomly. The reader stops working, and when I try to get to the settings I have the message: "Finger print sensor calibration needed " or "finger print sensor doesn't respond, try to reboot your device . If the problem persists, contact support "
I checked everywhere and there is no such thing as calibrating the fingerprint reader. Technical support also couldn't help me with the problem, they only recommended to send the tablet for service. ?
The problem has never appeared before the update so I bet that the problem is new software.
Any advice what else I could try?
The reader, when it starts to work, works much better than before the update, unfortunately more and more often it does not work at all.
The strangest thing is that sometimes it starts working after a regular restart. I have no idea what to think about it.
Something similar... It sometimes works like a charm. It sometimes stops working, but no message and no way to use it in order to activate the tab. In that case I have to use an alternative method to. I suppose a fix could be released after this update to Android 10...
solved
Hi there,
I've solved this issue. I have tab s6 4-5 month and I couldn't even register the fingerprint. today I tried again and I found out that you have to touch the scanner very gently, do not press firmly. so I could register 3 fingerprints and it is working. even with unlocking if you press harder it won't work you have to touch slightly and it is working. still it is not reliable as other scanners but it works. i'm providing the video, you can see when I touch gently it is working, but If I press harder it won't register.
h t t p s://drive.google.com/file/d/1BegH3jbh3QxAuwLqSY8fdiHFbZ0MU2Zc/view?usp=sharing

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