Develop Bugs

Auto-Rotate, Motion Launch Gestures not working

hi i just bought HTC e9+ Dual Sim, i ask my friend in Taiwan to buy it.
i'm from indonesia
after upgrade the os i started to use my phone and notice that the motion launch gesture not working also the auto rotate function
i've try to calibrate and still nothing
can anyone help me?

klaudjkt said:
hi i just bought HTC e9+ Dual Sim, i ask my friend in Taiwan to buy it.
i'm from indonesia
after upgrade the os i started to use my phone and notice that the motion launch gesture not working also the auto rotate function
i've try to calibrate and still nothing
can anyone help me?
Click to expand...
Click to collapse
hi
-you can enter to recovery and clear cache and dalvik cache.
-you can re-enable the motion launch feature under Settings > Display & gestures or Display, gestures & buttons. Tap Motion Launch gestures.
-last option, hard reset the device
thx

Hi Sheythan, thanks for your reply
btw how to enter to recovery mode? do you mean safe mode? and how to clear cache and dalvik
btw i'm using stock os, not rooted os
thanks btw

klaudjkt said:
Hi Sheythan, thanks for your reply
btw how to enter to recovery mode? do you mean safe mode? and how to clear cache and dalvik
btw i'm using stock os, not rooted os
thanks btw
Click to expand...
Click to collapse
power off the device
press volume-down button and power button at the same time, wait 5-6 seconds
you will enter download mode
reboot to bootloader
enter recovery
wipe cache
reboot
and try again the motion

when i try to enter recovery boot mode, the phone just hang

klaudjkt said:
when i try to enter recovery boot mode, the phone just hang
Click to expand...
Click to collapse
wait for 1-2 minutes at recovery mode.
it behaves like it is hanged but be patient after 1-2 minutes you will see the menus.

I have the same problem too,tried everything with no luck,hope mm update fixes this.
Sent from my HTC One E9PLUS dual sim using Tapatalk

Sheythan... said:
wait for 1-2 minutes at recovery mode.
it behaves like it is hanged but be patient after 1-2 minutes you will see the menus.
Click to expand...
Click to collapse
after waiting 2minutes it just restart to my homescreen and still can't
vaykossil said:
I have the same problem too,tried everything with no luck,hope mm update fixes this.
Sent from my HTC One E9PLUS dual sim using Tapatalk
Click to expand...
Click to collapse
I've already fix my problem without clearing cache
hi vaykossil, try to download sensorbox from your playstore and then select gyroscope sensor, after that see that the box is moving when u move the phone, if its moving that your hardware is okay
Now i can rotate my phone and motion launch gesture all working fine, just download Sensor Box from your playstore

Hi klaudjkt,just downloaded the app you named and seems my sensors are ok,but I still have rotation issue in apps,all my sensors just stop responding and after a while start working again,have no idea what the problem is,maybe mm will fix this.

vaykossil said:
Hi klaudjkt,just downloaded the app you named and seems my sensors are ok,but I still have rotation issue in apps,all my sensors just stop responding and after a while start working again,have no idea what the problem is,maybe mm will fix this.
Click to expand...
Click to collapse
have you tried hard reset ?
Sent from my HTC One E9PLUS dual sim using XDA Free mobile app

Sheythan... said:
have you tried hard reset ?
Sent from my HTC One E9PLUS dual sim using XDA Free mobile app
Click to expand...
Click to collapse
No,I haven't,too many apps and data on my phone,just don't want to setup my phone from scratch,maybe after marshmallow.

Hi,after a week decided to factory reset my phone to get sensors work,but unfortunately it didn't help, my sensors are still acting weird,they stop working occasionally and all sensors stop working all of a suuden,any help is appreciated.
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vaykossil said:
Hi,after a week decided to factory reset my phone to get sensors work,but unfortunately it didn't help, my sensors are still acting weird,they stop working occasionally and all sensors stop working all of a suuden,any help is appreciated.
Click to expand...
Click to collapse
Hi Vaykossil, i found another solution, try to heat up your phones ( i try to open waze and maximize brightness ) for about 5minutes, and then try again. it works for me

klaudjkt said:
Hi Vaykossil, i found another solution, try to heat up your phones ( i try to open waze and maximize brightness ) for about 5minutes, and then try again. it works for me
Click to expand...
Click to collapse
Hi,thank you for the tip,tried to overheat the phone but couldn't get the temp too high,seems our chipset doesn't get hot at all,is there any app to force all cores run at highest frequency ?

you don't need to overheat your phone, but u can download stability test on playstore to stress your phone

dear i have the same prb....
vaykossil said:
Hi klaudjkt,just downloaded the app you named and seems my sensors are ok,but I still have rotation issue in apps,all my sensors just stop responding and after a while start working again,have no idea what the problem is,maybe mm will fix this.
Click to expand...
Click to collapse
.please tell me if you have fix it and how to fix it...thanx

Hi,I tried everything but no chance, seems my sensors are broken, went to a service center, he hadn't time to look at my phone but there were 3 other e9+ there with sensor issues, will take it to service tomorrow to identify the problem, will share the result when get it back.
Sent from my HTC One E9PLUS dual sim using Tapatalk

I'm in same pain bro.

keep us up tp date plz
vaykossil said:
Hi,I tried everything but no chance, seems my sensors are broken, went to a service center, he hadn't time to look at my phone but there were 3 other e9+ there with sensor issues, will take it to service tomorrow to identify the problem, will share the result when get it back.
Sent from my HTC One E9PLUS dual sim using Tapatalk
Click to expand...
Click to collapse
dont forget to share the result plzzz

ade.l said:
dont forget to share the result plzzz
Click to expand...
Click to collapse
sure,called me from service yesterday and told me the power IC is half dead,sensors can't get power to work properly,they will replace the ic for 40 box and send it back asap,I think it will be here on monday.

[Guide] Google Camera on Asus ZenFone Max PRO M2

Hello Guys AndroWide Here,
lets Enable Camera 2 API on Asus Zenfone Max PRO M2 to Use Google Camera.
Setup adb and fastboot drivers on your laptop/pc
downlaod the latest adb folder and extract it
on your phone, go to settings >> system >> about phone and click on build no. 7 times to enable developer option
go to developer option and enable USB debugging
power off your device and go to fastboot mode, (press and hold Volume Up + Power Key for 5 seconds)
connect your device to your laptop/pc using micro usb cable
go to the extracted adb folder and press & hold SHIFT key on your PC and at the same time right click
now click on Open Powershell window here or Open Command Window Here (on Win 7)
now run the following commands:
fastboot devices
fastboot oem enable_camera_hal3 true
after this you will get a success message OKAY, FINISHED.
congratulations, you have successfully enabled Camera 2 API on your Asus Zenfone Max PRO M2, now just head over to the Google Camera PORTS page and downlaod the Port of Senior XDA Developer Arnova, Download From Here

Not working.

Not Working Right Now.

Its working bro, tested on two devices..

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androwide said:
Its working bro, tested on two devices..
Click to expand...
Click to collapse

androwide said:
Its working bro, tested on two devices..
Click to expand...
Click to collapse
See this.

sahil9901 said:
See this.
Click to expand...
Click to collapse
Have you tried the command i have written: .\fastboot oem enable_camera_hal3 true

androwide said:
Have you tried the command i have written: .\fastboot oem enable_camera_hal3 true
Click to expand...
Click to collapse
Yes.

working on me

thanks worked for me too...

sahil9901 said:
See this.
Click to expand...
Click to collapse
I am also getting same error. I am using the latest platform tools. Dont understand why its happening
Sent from my Pixel 3 using Tapatalk

Thanks mate working like charm. Wondering when a stable port for night sight will be out.

Camera working well but slow motion not working.
---------- Post added at 10:24 AM ---------- Previous post was at 10:19 AM ----------
sahil9901 said:
See this.
Click to expand...
Click to collapse
Wrong command! You have to put this command " .\fastboot oem enable_camera_hal3 true"
.\ is missing in your command

nickporwal said:
I am also getting same error. I am using the latest platform tools. Dont understand why its happening
Sent from my Pixel 3 using Tapatalk
Click to expand...
Click to collapse
Ok. It worked for me when i tried with another laptop.
It installed drivers automatically upon connection and i connected through usb 2.0.
No need to adding extra "./" in the starting of fastboot command if you are in the same directory as fastboot file.
Sent from my Pixel 3 using Tapatalk
---------- Post added at 11:22 AM ---------- Previous post was at 11:21 AM ----------
zoya4u said:
Camera working well but slow motion not working.
---------- Post added at 10:24 AM ---------- Previous post was at 10:19 AM ----------
Wrong command! You have to put this command " .\fastboot oem enable_camera_hal3 true"
.\ is missing in your command
Click to expand...
Click to collapse
You dont need that "./" or backslash if you are in the same directory as fastboot file. It works fine without it also.
Sent from my Pixel 3 using Tapatalk

Front portrait mode
I have tried many GCam apks by various devs but can't take front portrait pics. Rear cam portrait works fine in all. Clicking shutter button does not do anything in front portrait. Am I doing something wrong? Anyone with any working apk with front portrait?

zoya4u said:
Camera working well but slow motion not working.
---------- Post added at 10:24 AM ---------- Previous post was at 10:19 AM ----------
Wrong command! You have to put this command " .\fastboot oem enable_camera_hal3 true"
.\ is missing in your command
Click to expand...
Click to collapse
still not working.......

curryinthedesert said:
I have tried many GCam apks by various devs but can't take front portrait pics. Rear cam portrait works fine in all. Clicking shutter button does not do anything in front portrait. Am I doing something wrong? Anyone with any working apk with front portrait?
Edit: Disabled camera.diet_burst in developer settings and now front portrait is working.
Click to expand...
Click to collapse
which version of gcam you using?

ShawnMercer said:
which version of gcam you using?
Click to expand...
Click to collapse
Currently using GCam-5.1.018-Pixel2Mod-Arnova8G2-V8.3b1.apk . Also tried GCam-5.1.018-Pixel2Mod-Arnova8G2-V8.1.apk which is mentioned in OP and many others as well.
Disabling diet_burst helped for some time but again the same problem started. I found a workaround, clicking a rear portrait pic and then switching to front portrait works fine.
Do you know any fully working port?

A bit off topic, max pro m1 user here. Can anyone please share stock camera apk for us to try on the m1, our camera ui sucks.

sahil9901 said:
See this.
Click to expand...
Click to collapse
Have you installed the drivers?

[GUIDE] Install GSI image with full Google Apps [Current version]

By following this guide your warranty is void obviously and you will lose all data
0. Go to settings, accounts, remove your google account
1.Go to https://www.asus.com/tw/Phone/ROG-Phone-II/HelpDesk_Download/
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Download vbmeta.img
https://drive.google.com/open?id=10DzVAr_HDc95jPYXkb0O6ZWf7f8FoIg1
Download the most recent GSI
https://github.com/phhusson/treble_experimentations/releases
(ensure it is system-quack-arm64-ab-gapps.img.xz if you want google apps or system-quack-arm64-ab-vanilla.img.xz if you don't)
Extract the .xz file
2. Load up the apk from Asus
3. Agree to terms
4. Press unlock (you must be on wifi)
5. Wait until the device is back at the initial setup
6. Power off
7. Hold down vol up + power until you are at a screen which says power off/reboot/enter recovery/restart boot loader
8. Ensure you have adb and Fastboot setup
8a e.g. on a Mac​Open a terminal run
/usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
then after
brew cask install android-platform-tools​9. Connect a USB to the phone via the side port
10. Check Fastboot is working
fastboot devices​11. If you can see your device
type the following
fastboot --disable-verity --disable-verification flash vbmeta ​Leave a space after vbmeta, then drag and drop the vbmeta.img file into the terminal window
12. If successful
type
fastboot erase system​13. Type the following
fastboot flash system ​Leave a space after system, then drag and drop the extracted img file NOT the xz into the terminal window
14. Wait
15. Once done
16. type
fastboot reboot​17. Wait
18. BOOT WILL FAIL
19. Use the arrow keys and power to select factory reset
19. Use the arrow keys and power to select Yes
Your device will now boot into current android.
Thanks to @suzook and @reg66 for pointing me in the right direction.

Thanks for the mention dude!! Glad you got it working and for the tutorial...

Hi, Compare to stock rom, what kind of experience with gsi? Anything didn't work? Pros and cons if you can mention. Thx

Great to see this development. Hopefully we can get 120Hz running someday, and we'll be set.

GeekGod said:
Great to see this development. Hopefully we can get 120Hz running someday, and we'll be set.
Click to expand...
Click to collapse
It's working on pixel experience.

suzook said:
It's working on pixel experience.
Click to expand...
Click to collapse
Do you a link of Pixel Experience ROM for ROG Phone 2?

suzook said:
It's working on pixel experience.
Click to expand...
Click to collapse
Got a link?

IS this google all apps for CN rom ?
whats difference with ww rom ?

is 120hz working?

No. It treble not support special devices
---------- Post added at 02:31 AM ---------- Previous post was at 02:30 AM ----------
hkbazzi said:
is 120hz working?
Click to expand...
Click to collapse
No. It treble not support special devices

biboFx said:
IS this google all apps for CN rom ?
whats difference with ww rom ?
Click to expand...
Click to collapse
There is no difference with GSIs (the g stands for generic) works as is on both.
The distinction between WW and CN is only relevant to stock ASUS firmware

GeekGod said:
Got a link?
Click to expand...
Click to collapse
Full GSI list inc pixel experience
https://github.com/phhusson/treble_experimentations/wiki/Generic-System-Image-(GSI)-list

MANICX100 said:
Full GSI list inc pixel experience
https://github.com/phhusson/treble_experimentations/wiki/Generic-System-Image-(GSI)-list
Click to expand...
Click to collapse
doesint want to boot at all
just google logo screen forever

rowihel2012 said:
doesint want to boot at all
just google logo screen forever
Click to expand...
Click to collapse
Did you factory reset as per the OP? Initial boot will fail he says...

heobanhki said:
No. It treble not support special devices
---------- Post added at 02:31 AM ---------- Previous post was at 02:30 AM ----------
No. It treble not support special devices
Click to expand...
Click to collapse
WRONG.

reg66 said:
Did you factory reset as per the OP? Initial boot will fail he says...
Click to expand...
Click to collapse
no that isworking fine but no 120hz or 90
just wanted to try pixel exp 9 becuse it has 120hz support but always stuck to google logo

rowihel2012 said:
no that isworking fine but no 120hz or 90
just wanted to try pixel exp 9 becuse it has 120hz support but always stuck to google logo
Click to expand...
Click to collapse
Bummer, ask suzook..

rowihel2012 said:
no that isworking fine but no 120hz or 90
just wanted to try pixel exp 9 becuse it has 120hz support but always stuck to google logo
Click to expand...
Click to collapse
Install Magisk along the way to enable root, also... there's no 90 or 120Hz here.

Hello, i want to know, if someone can answer me.
What is GSI?
What can GSI do?
This is some kind of daily driver or something?
What we lost if we put this rom?

Can this method be used with the original rog phone? I'm interested in getting Android Q. :fingers-crossed:

Trying to install GCam, where can I get the latest patched boot image?

I'm following this guide: https://forum.xda-developers.com/mi-a2-lite/how-to/guide-how-to-enable-camera2-api-t3851414
And it takes you to a thread with old boot images, and I was wondering if there were any ones that were more recent (i.e. January 2020 security patch). Or does it not matter if I'm using this method only to enable camera2api?
Thanks

Grab the latest stock Rom from here and download it (10.0.18.0 is Jan 2020) : https://forum.xda-developers.com/mi-a2-lite/how-to/fastboot-xiaomi-mi-a2-fastboot-images-t3824871
Then follow this guide until step 9 to get your own patched boot.img : https://forum.xda-developers.com/mi-a2-lite/how-to/guide-install-magisk-proper-support-ota-t3836952
It matters which version of the boot.img you're using, if you happen to use an older version, your device won't boot and you won't be able to do what you want.

marstonpear said:
Grab the latest stock Rom from here and download it (10.0.18.0 is Jan 2020) : https://forum.xda-developers.com/mi-a2-lite/how-to/fastboot-xiaomi-mi-a2-fastboot-images-t3824871
Then follow this guide until step 9 to get your own patched boot.img : https://forum.xda-developers.com/mi-a2-lite/how-to/guide-install-magisk-proper-support-ota-t3836952
It matters which version of the boot.img you're using, if you happen to use an older version, your device won't boot and you won't be able to do what you want.
Click to expand...
Click to collapse
Thanks for the help. But after reading that thread, it looks like a lot of people lost their data doing it, so maybe it's not worth it

tomd-87 said:
Thanks for the help. But after reading that thread, it looks like a lot of people lost their data doing it, so maybe it's not worth it
Click to expand...
Click to collapse
Search for my comment in the same thread, I described the way you should follow to avoid data loss. With my method you won't lose your data. But also if this is your first time unlocking the bootloader, you will lose data. If you've unlocked the bootloader before then you won't have any issues. Cheers.

marstonpear said:
Search for my comment in the same thread, I described the way you should follow to avoid data loss. With my method you won't lose your data. But also if this is your first time unlocking the bootloader, you will lose data. If you've unlocked the bootloader before then you won't have any issues. Cheers.
Click to expand...
Click to collapse
I'm at the step where I have to actually run adb shell to set camera2api, but it doesn't detect my device
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tomd-87 said:
I'm at the step where I have to actually run adb shell to set camera2api, but it doesn't detect my device
Click to expand...
Click to collapse
Go to developer settings in the Settings > System. If you can't see it there, you need to enable it first. To do that go over to About Phone in settings and tap on the Build Number several times, until you get a toast notification saying Developer settings are enabled.
Once you're in the developer settings, find the USB Debugging option and enable it. After you connect your phone and execute "adb shell" command, a pop-up will appear on your phone saying if you want to trust this computer, tap yes then you'll be good to go.
EDIT: I believe you tried to use 7zip for extraction, 7zip can only extract 1 archive at a time and the file you downloaded is compressed twice (tar, gz). WinRAR can decompress the file in one go. Final files have no difference so use whichever suits you best. Don't forget to use my method while locking the bootloader again. Cheers.

Hey! Don't want to open a new forum so I'm just curious which version of gcam you guys are using? Can someone suggest me a gcam? The ones I tried all have some bugs (for example: random freezing, slow motion video lagging etc.). Or there's not a single gcam that has all it's features working on mi a2 lite?
Currently I'm using GCam_v7.0.009-v4.4.front.hdr.working.

andraslate said:
Hey! Don't want to open a new forum so I'm just curious which version of gcam you guys are using? Can someone suggest me a gcam? The ones I tried all have some bugs (for example: random freezing, slow motion video lagging etc.). Or there's not a single gcam that has all it's features working on mi a2 lite?
Currently I'm using GCam_v7.0.009-v4.4.front.hdr.working.
Click to expand...
Click to collapse
There is not a single gcam that has everything working currently, there are 2 reasons for this and lags :
1 - Our CPU is old, so it can't handle gcams' processing that well.
2 - There has never been a single gcam optimized for our device, except for hass31's gcam port. But that gcam's version is 5.1 and although it worked wonders in Oreo, it has focus issues on Pie.
The gcam you're using produces the best results on this phone right now, at least the front and back cameras work. You can try Urnyx05's gcam ports version 6, those will have back camera working, but the front cam HDR+/HDR+ Advanced won't work. If you downgrade to Oreo, you can use hass31's port. Or you can flash a custom kernel on stock Pie ROM, which fixes the focus issues. If you only have Cam2API enabled with a locked Bootloader, I'd suggest sticking to the gcam you're using right now, because it's the one that works properly. But feel free to test other gcam ports here : https://www.celsoazevedo.com/files/android/google-camera/

marstonpear said:
There is not a single gcam that has everything working currently, there are 2 reasons for this and lags :
1 - Our CPU is old, so it can't handle gcams' processing that well.
2 - There has never been a single gcam optimized for our device, except for hass31's gcam port. But that gcam's version is 5.1 and although it worked wonders in Oreo, it has focus issues on Pie.
The gcam you're using produces the best results on this phone right now, at least the front and back cameras work. You can try Urnyx05's gcam ports version 6, those will have back camera working, but the front cam HDR+/HDR+ Advanced won't work. If you downgrade to Oreo, you can use hass31's port. Or you can flash a custom kernel on stock Pie ROM, which fixes the focus issues. If you only have Cam2API enabled with a locked Bootloader, I'd suggest sticking to the gcam you're using right now, because it's the one that works properly. But feel free to test other gcam ports here : https://www.celsoazevedo.com/files/android/google-camera/
Click to expand...
Click to collapse
Thank you for your detailed answer! Guess I stay with the one I use for now. I'm a bit disappointed as the stock camera records slow motion but gcam don't ,but having an app that makes better quality pictures is more important. Shame xiaomi doesn't update their camera app so we could use theirs with Cam2API.

andraslate said:
Thank you for your detailed answer! Guess I stay with the one I use for now. I'm a bit disappointed as the stock camera records slow motion but gcam don't ,but having an app that makes better quality pictures is more important. Shame xiaomi doesn't update their camera app so we could use theirs with Cam2API.
Click to expand...
Click to collapse
Yep, Xiaomi doesn't care about their AndroidOne devices, we learnt that the hard way. Meanwhile as I've mentioned the most stable gcam version out there is hass31's Mi A2 Lite optimised port. I'd suggest giving it a try, if you're willing to flash a custom Kernel on Stock. Because it checks all the boxes you've mentioned (including slo-mo), but it lacks Night Sight.

Not sure if anybody has tried this, sorry I don't have gcam enabled on my device so cannot test, but on my redmi note 4 that is almost the same hardware this one works really well
https://www.celsoazevedo.com/files/android/google-camera/dev-UltraM8/
Ultra m8

Downgrade from ColorOS12.1 to OOS11 EU OP7T - Please, help me. :)

Hi everyone!
I need help, that's why I registered on this forum.
I have OnePlus 7T and I upgraded to ColorOS12.1 from this video. Unfortunately, this is a beta with Chinese menus and I don't like the new firmware at all. I would like to go back to the original OOS11 stable firmware for Europe, but i don't know how to do it. I tried MSM and ADB via CMD, but can't unlock Bootloader.
I am asking you for help, because I cannot use the phone and I no longer have the strength to look for a solution to the problem myself. Thank you in advance for any help.
Sorry for my English.
Best regards
KamilFromNorth

Can I count on help, I really care about solving the above problem? Please.

Ok, the topic can be closed, I went back to stock rom OOS11 according to this tutorial. First I struggled with ADB, Fastboot, Google Android drivers and versions, and finally Qualcomm and the latter was causing problems in MSM. After updating the Qualcomm driver in Win10, MSM ran without errors and uploaded a new rom, version 10 for Europe, and then the phone update to 11.
https://forum.xda-developers.com/t/...l-to-restore-your-device-to-oxygenos.3994835/
Kind regards
KamilFromNorth

KamilFromNorth said:
Hi everyone!
I need help, that's why I registered on this forum.
I have OnePlus 7T and I upgraded to ColorOS12.1 from this video. Unfortunately, this is a beta with Chinese menus and I don't like the new firmware at all. I would like to go back to the original OOS11 stable firmware for Europe, but i don't know how to do it. I tried MSM and ADB via CMD, but can't unlock Bootloader.
I am asking you for help, because I cannot use the phone and I no longer have the strength to look for a solution to the problem myself. Thank you in advance for any help.
Sorry for my English.
Best regards
KamilFromNorth
Click to expand...
Click to collapse
I also updated it to that version, and if I was able to return it to the global ROM, the only thing is that now the gyro sensor is inverted. When I activate the automatic rotation all the applications work backwards. I've tried everything and can't get it to work. If I go back and install the ColorOS version, the automatic rotation works fine again, but unfortunately, since that version has bugs, it is not comfortable to use it for daily use. We will have to wait if it manages to solve this problem. Greetings!

KamilFromNorth said:
Ok, the topic can be closed, I went back to stock rom OOS11 according to this tutorial. First I struggled with ADB, Fastboot, Google Android drivers and versions, and finally Qualcomm and the latter was causing problems in MSM. After updating the Qualcomm driver in Win10, MSM ran without errors and uploaded a new rom, version 10 for Europe, and then the phone update to 11.
https://forum.xda-developers.com/t/...l-to-restore-your-device-to-oxygenos.3994835/
Kind regards
KamilFromNorth
Click to expand...
Click to collapse
Have you tried the auto gyro sensor, is it working fine?

True, I also have a problem with the gyroscope. I also noticed today that it does not preview a photo in the GCam, there is a black screen. I wonder, why put tutorials with beta roms, that are unstable and later create only problems that can't be fixed ?!

freeuser00 said:
Have you tried the auto gyro sensor, is it working fine?
Click to expand...
Click to collapse
How did you get back to stock global rom, what specific versions were they? Maybe we need to try to upload another rom, or clear the memory to zero and then upload a new rom ?!

I found a comment under the video OnePlus 7/7T Color OS12.1, I wonder if it will work, but I don't know what the A9 and A10 mean, which are roms ?!
{
"lightbox_close": "Close",
"lightbox_next": "Next",
"lightbox_previous": "Previous",
"lightbox_error": "The requested content cannot be loaded. Please try again later.",
"lightbox_start_slideshow": "Start slideshow",
"lightbox_stop_slideshow": "Stop slideshow",
"lightbox_full_screen": "Full screen",
"lightbox_thumbnails": "Thumbnails",
"lightbox_download": "Download",
"lightbox_share": "Share",
"lightbox_zoom": "Zoom",
"lightbox_new_window": "New window",
"lightbox_toggle_sidebar": "Toggle sidebar"
}
Edit.
Ok, Android 9 was for OP7 without T, now question, should I install it for 7T ?!

KamilFromNorth said:
I found a comment under the video OnePlus 7/7T Color OS12.1, I wonder if it will work, but I don't know what the A9 and A10 mean, which are roms ?!
View attachment 5594359
Edit.
Ok, Android 9 was for OP7 without T, now question, should I install it for 7T ?!
Click to expand...
Click to collapse
No, just use earliest oos10 msmtool for global

Thanks, I thought so too, but preferred to ask.There will be time, so I will get to work and let you know if it has helped. The worst thing is that I have already removed MSM, ADB, Fastboot and drivers.

...

You can flash persist.img only if you have your own backup of persist.img. Dont even think to flash someones persist. It's will break your fingerprint

@marsian4uk Thanks for the info, do you have any idea, how to fix auto rotation?

KamilFromNorth said:
@marsian4uk Thanks for the info, do you have any idea, how to fix auto rotation?
Click to expand...
Click to collapse
I know one way but you can lose widevine level. And there is a chance to broke fingerprint. At least, one guy broke his fingerprint when he use this method
Anyway I advice you to make backup of your persist.img (even if it broken, because in future you can fix this)

Found this instruction few days before.
In my case everything is good (except widevine level). So, let's start:
I extracted my persist partition, hex edited the lsm6dsm_0_platform.orient back to what was on OOS 11 and flashed it back. Orientation, sensors and fingerprint working fine.
Caution to whoever tries to replicate, you might hard brick your phone if you do something wrong.​
Here are the correct values:

@marsian4uk
Thank you for the good intentions, but I don't know how to do the above, I don't know anything about it.
What is the consequence of non-working this "widevine"?

KamilFromNorth said:
@marsian4uk
Thank you for the good intentions, but I don't know how to do the above, I don't know anything about it.
What is the consequence of non-working this "widevine"?
Click to expand...
Click to collapse
You will be not able to watch Netflix in full hd

Same problema here!!! in global rom.

@marsian4uk Today I downgraded from OOS11 to the first OOS10 room on OP7T and it did not work, the application orientation is still bad, the camera also has a menu rotated by 90 'and takes photos and videos in the same way. If you have time and feel like it, I would be grateful for tips on how to make the above changes - I don't care about Netflix, because I don't use it on my phone anyway.

KamilFromNorth said:
@marsian4uk Today I downgraded from OOS11 to the first OOS10 room on OP7T and it did not work, the application orientation is still bad, the camera also has a menu rotated by 90 'and takes photos and videos in the same way. If you have time and feel like it, I would be grateful for tips on how to make the above changes - I don't care about Netflix, because I don't use it on my phone anyway.
Click to expand...
Click to collapse
You make a backup of your persist?