Develop Bugs

OnePlus 3 - Android Oreo Camera Unknown Error!

Hi,
Today im facing a strange issue with camera
Actually all the applications related to camera are not working
It seems there is a problem in the physical camera it self !
Snapchat, instgram once i open its cam, original camera, and google camera..
It shows me this message
"Unknown Error"
My phone is already updated to stable version 5.0 which is oreo.

By the way, I already restart my phone, and also clear the data & cach of the camera : it doesn't work

Just to be safe, have you tried other ROM? If that still doesn't work, then try downgrading to Oreo. If all fails, then welp, at least you know that ROM isn't the cause of it.

dream2poet said:
By the way, I already restart my phone, and also clear the data & cach of the camera : it doesn't work
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Click to collapse
same happened with me on open beta 27.
i clean flashed ob 28, everything good so far.
try a factory reset or a clean flash.

I've had this issue before where I flashed nougat modem onto marshmallow and it gave me this error..it took accidentally wiping my phone to figure this out.
So try reflashing 5.0 rom or check whatever zip you flashed is not the culprit.

F4uzan said:
Just to be safe, have you tried other ROM? If that still doesn't work, then try downgrading to Oreo. If all fails, then welp, at least you know that ROM isn't the cause of it.
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Click to collapse
LELBOT said:
same happened with me on open beta 27.
i clean flashed ob 28, everything good so far.
try a factory reset or a clean flash.
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Click to collapse
tofuboi01 said:
I've had this issue before where I flashed nougat modem onto marshmallow and it gave me this error..it took accidentally wiping my phone to figure this out.
So try reflashing 5.0 rom or check whatever zip you flashed is not the culprit.
Click to expand...
Click to collapse
Thank you guys for helping me,,
I did Factory Reset (without internal storage) and all working fine now..
I think the problem happen because I did not do factory reset once i updated to Oreo

Mi6 random app stopped and random restart

Dear all,
This is first time i start a thread here, so I am sorry if this thread is improper.
I really need help about my Mi6.
I have been using mi6 for more than a month. I use miui eu stable 9.2.4.0 from the begining. I used this phone for normal usage : social media, email, browsing, and sometime for game. Everything was flawless until Last week.
Suddenly I got many error message : goggle play services has stopped, facebook has stopped, gallery has stopped, and many other similar message. And the worst is my Phone always restart randomly.
I have no idea what happened. As long as I remember, I didnt do any peculiar activity. Then i try to flash other ROMs : other miui eu, miuipro, globe rom, stock miui 9 stable and dev, and even lineage os 15.1, I already performed format data, wipe anything everytime I flash any ROM. But the result still same, i still got error message and random restart.
Hopefully there is no problem with the hardware. Because there is no problem when I use twrp for flash, wipe, and other activity. I also already try Stress Test using Antutu and the result was good.
Is there anyone here can help me? I already desperate about this thing
Thanks in advance.
Regards

Use miflash and restore stock rom erasing all the data

camp70 said:
Use miflash and restore stock rom erasing all the data
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Click to collapse
Already try clean flash using miflash but the problem still exist.

can't switch to front camera

Whenever I try to switch to front camera on my redmi note 5 pro(whyred) it switch to secondary rear camera.Don't know what's going on.need help!I tried different apps, different roms, clean stock firmware.*Video calling apps are also not working. This happened few days ago maybe because I was trying to enable camera 2 API without root from an app from playstore which is highly unlikely. I can't see front camera details in any hardware spec app so I'm assuming hardware issue but then why it's switching to second rear camera I'm confused. Anyone .?

You can't enable cameraapi2 without root, flash a miui with mitools, clear data as well. See if cameras with then.

JustS0meone said:
You can't enable cameraapi2 without root, flash a miui with mitools, clear data as well. See if cameras with then.
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I tried, I'm getting antirollback error in miflash tool.
So i flash stock rom using orangefox recovery. Still same issue

Issues post MIUI 12.1.1

All - I have recently done the OTA upgrade to MIUI 12.1.1 on my Mi 10T Pro and this is now on Android 11. A bunch of apps (e.g. messenger, tiny scanner) are not working as they would previosuly and the phone also is having random freezes and stutters. One more issue that i am grappling with is sudden loss of connectivity (voice) post the upgrade.
Any suggestions? This is my daily driver and i am unable to function properly. I don't even know how to wipe the system cache partition as the Mi Recovery only has a wipe data option and not a separate one for cache parition.
Please help.
regards,
Shuvo
Device - Xiaomi Mi 10T Pro on 12.1.1 MIUI Global with Vodafone Idea as the primary SIM in India

You need to do a factory reset. It's a pretty well documented phenomenon that big OS updates literally destroys device's stability and usability.
I'd suggest you to back up all of your important data and do a data wipe inside of your recovery. It'll get miles better, trust me.

shuvabrata said:
All - I have recently done the OTA upgrade to MIUI 12.1.1 on my Mi 10T Pro and this is now on Android 11. A bunch of apps (e.g. messenger, tiny scanner) are not working as they would previosuly and the phone also is having random freezes and stutters. One more issue that i am grappling with is sudden loss of connectivity (voice) post the upgrade.
Any suggestions? This is my daily driver and i am unable to function properly. I don't even know how to wipe the system cache partition as the Mi Recovery only has a wipe data option and not a separate one for cache parition.
Please help.
regards,
Shuvo
Device - Xiaomi Mi 10T Pro on 12.1.1 MIUI Global with Vodafone Idea as the primary SIM in India
Click to expand...
Click to collapse
You should factory reset after a major OS update but you will lose data but you should backup just don't restore any system settings.I updated to a11 in Europe yesterday morning and did factory reset, Everything is working Great

(Solved) WiFi and camera not working after flashing global ROM on Redmi Note 9 Pro 5G China

I am asking this question for a friend.
He has a Redmi Note 9 Pro 5G China, and he had the China ROM on the phone (V12.0.11.0.QJSCNXM).
A few days ago, he installed the Mi 10T Lite Global ROM (V12.0.2.0.RJSMIXM) on the phone with Mi Flash.
After booting to the global ROM, WiFi stopped working, the WiFi switch is on, but no WiFi can be found by the phone.
Camera also does not work.
So I think this means the persist partition is corrupted.
We have tried to flash persist.img to the phone in TWRP with Terminal commands, but that did not work.
We have also tried to flash persist.img to persist partition directly using orange fox recovery, but after doing that WiFi still does not work.
We have also tried to re-flash the global ROM using Mi Flash, and to flash directly using flash_all.bat, the result was still the same.
If anyone knows how to fix corrupted persist partition on this phone, please let me know.
Thanks.
Edit: It was solved by installing the China ROM back on the phone.

I have 9 Pro 5G here and I tried to install a Global ROM, but I also had the same problems. What happens is that it seems to me that despite sharing the same platform, the Mi10T Lite and the 9 Pro 5G have some peculiarities, such as the camera which is different. So, I went back to the Chinese ROM and installed xiaomi.eu. At first, I'm looking for the XQCN file of a Mi10T Lite to test here on the 9 Pro 5G.

Hemerson Silva said:
I went back to the Chinese ROM and installed xiaomi.eu.
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Click to collapse
Does this fix the problem?

cbw said:
Does this fix the problem?
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Click to collapse
In my case, it only resolved by switching to the Chinese ROM. But then I took advantage and went to xiaomi.eu, I am a big fan of their ROMs.

@Hemerson Silva Thank you!
Now WiFi and camera are finally working after installing the China weekly ROM.

Hemerson Silva said:
In my case, it only resolved by switching to the Chinese ROM. But then I took advantage and went to xiaomi.eu, I am a big fan of their ROMs.
Click to expand...
Click to collapse
Hi,
Does everything work after installing Xiaomi.EU ROM, camera and WIFI all okay?

I also have Chinese Rom on my RN9 pro 5G, after update to 12.5 Chinese finally kill Google services. there is no way to install it anymore, is anyone try to flash EU rom for this device?
or the best way is to flash Xiaomi.eu custom rom?

is like redmi note 9 pro 5g and the MI10T lite are using different wifi chip. anyone using global rom in the redmi note 9 pro 5g model M2007J17C and solve the wifi issue? please can share the rom using. or a way to make it work.

I found this through Google and had a similar problem with my Redmi Note 5 and custom ROMs. The problem with no device drivers is when the "Vendor" partition was not flashed or restored. It is very important to back up that partition as well. Alternatively, the Vendor image can be found in the fastboot ROMs from Xiaomi, extracted and then flashed separately in the recovery (very fiddly, but it's an alternative).

cbw said:
I am asking this question for a friend.
He has a Redmi Note 9 Pro 5G China, and he had the China ROM on the phone (V12.0.11.0.QJSCNXM).
A few days ago, he installed the Mi 10T Lite Global ROM (V12.0.2.0.RJSMIXM) on the phone with Mi Flash.
After booting to the global ROM, WiFi stopped working, the WiFi switch is on, but no WiFi can be found by the phone.
Camera also does not work.
So I think this means the persist partition is corrupted.
We have tried to flash persist.img to the phone in TWRP with Terminal commands, but that did not work.
We have also tried to flash persist.img to persist partition directly using orange fox recovery, but after doing that WiFi still does not work.
We have also tried to re-flash the global ROM using Mi Flash, and to flash directly using flash_all.bat, the result was still the same.
If anyone knows how to fix corrupted persist partition on this phone, please let me know.
Thanks.
Edit: It was solved by installing the China ROM back on the phone.
Click to expand...
Click to collapse
eu rom working perfectly with that

RandomNewbie said:
Vendor
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Click to collapse
RandomNewbie said:
I found this through Google and had a similar problem with my Redmi Note 5 and custom ROMs. The problem with no device drivers is when the "Vendor" partition was not flashed or restored. It is very important to back up that partition as well. Alternatively, the Vendor image can be found in the fastboot ROMs from Xiaomi, extracted and then flashed separately in the recovery (very fiddly, but it's an alternative).
Click to expand...
Click to collapse
What's the process for extracting the vendor image and flashing it? Before MIFlash I mean, because I'm facing a similar issue with my Redmi Note 10.