No magnetic sensor / Compass - Lenovo Zuk Z2 Pro Questions & Answers

Hi, since i've updated to ArrowOS 11, i have no magnetic sensor / Compass detected with any app and usually error message about it.
I've tried to downgrade to Android 10, same problem, and even with QFIL to restore ZUI, problem is still here !
Any idea ?

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XIAOMI.EU MIUI11 compass issue

Hello guys, I need your help. I discovered that on xiaomi.eu rom compass is behaving kinda wrong. I discussed about it here but I didn't get any solutions for that problem. On Global Stable ROM everything is fine, compass stands still but on the xiaomi.eu it keeps increasing value when the phone is laying on the table. I discovered also that in the diagnostic menu the value of Z axis is increasing (screenshot). As it's not a hardware problem it must be something wrong with the software. Can you help me to solve this problem? If I should check anything else or give you more feedback about it, just tell me. BTW I tried factory reset twice, even flashed back Global rom and then again xiaomi.eu. Also I cleared the compass data and tried to calibrate it many times. I hope it's not a Chinese rom problem on which xiaomi.eu is based on
Seems like the latest update (9.10.31) finally fixed that issue. The thread can be closed/deleted

Proximity and Ambient Sensor Not working.

Hello devs,
My 3t's Proximity and Ambient Sensor both sensor stopped working after I updated from rooted 9.0.5 to MSM Android 10.
After that, I've tried everything but they are not getting back to work. Prior flashing 10, both were working fine.
So far I tried.
1. Flashed official 9.0.5 rom
2. Flashed official 8.0 rom
3. Factory reset on both rooms.
4. Stable modem & firmware files.
5. Flashed "Fix all sensors" file.
6. Tried *#808# can't seems to be showing any data or presence of sensors.
Any suggestions, will be highly appreciated
I had problems with sensors (accidently deleted sensors dir from persist partition, it contains sensors calibration, wifi and bt hw address).
So i used latest unbrick tool (9.0.5), but it didnt solve my issues, then i used the oldest unbrick tool i could find (Marshmallow) and sensors started to work but could not enable wifi, so i made local upgrade to 9.0.5, after that all my issues got resolved - sensors and wifi works again.
Try what i did, maybe it will sovlve your issue too.
ppajdek said:
I had problems with sensors (accidently deleted sensors dir from persist partition, it contains sensors calibration, wifi and bt hw address).
So i used latest unbrick tool (9.0.5), but it didnt solve my issues, then i used the oldest unbrick tool i could find (Marshmallow) and sensors started to work but could not enable wifi, so i made local upgrade to 9.0.5, after that all my issues got resolved - sensors and wifi works again.
Try what i did, maybe it will sovlve your issue too.
Click to expand...
Click to collapse
Still my Proximity, Ambient and MSensor isn't working.
ppajdek said:
I had problems with sensors (accidently deleted sensors dir from persist partition, it contains sensors calibration, wifi and bt hw address).
So i used latest unbrick tool (9.0.5), but it didnt solve my issues, then i used the oldest unbrick tool i could find (Marshmallow) and sensors started to work but could not enable wifi, so i made local upgrade to 9.0.5, after that all my issues got resolved - sensors and wifi works again.
Try what i did, maybe it will sovlve your issue too.
Click to expand...
Click to collapse
Would flashing any oneplus 3t pulled persist.img solve my problem?
hasanin.xaidi said:
Would flashing any oneplus 3t pulled persist.img solve my problem?
Click to expand...
Click to collapse
Persist partition contains wifi and bt hardware address, so if you flash persist.img from another op3t you would end up with the same wifi and bt address.
You would need to backup your persist partition, then backup wlan_mac.bin and /bluetooth/.bt_nv.bin, flash another persist.img and restore the two files.
Then check is your issues are solved.

Touch stopped working after Android 9 was updated

Hi, I broke the display, bought a new one on aliexpress.
Installation succeeded. The display worked.
The phone asked for an update (Some version of Android 9, probably the penultimate before Android 10), which I did. After booting, but did not working touch screen ..
I did the factory settings, but that didn't help.
I didn't deal with the phone for some time, I thought that another system update would fix the bug.
Yesterday the phone got an update to Android 10, I installed it here, made the factory settings. But the touch screen still doesn't work. (I control the telephone via the OTG adapter)
I read how to do a downgrade, but by doing an update on Android 10, I about closed the option that is described here . https://forum.xda-developers.com/nokia-7-plus/how-to/finally-downgrade-phone-official-t3849437
I read a lot of discussions and came to the conclusion that I probably bought the wrong display.
Or is there a solution? Downgrade system? Upload another touch panel firmware?
Now this is on the phone Touch panel firmware version: 07 Goodix-V1.017.20.
I attach a photo display, it might help something.
Is there any way to identify my touch problem?
Thank you for any help

Fingerprint sensor not working/not detected

Hello,
a while ago I had an accident and had to replace several parts of my X2 Pro.
After I replaced the screen, the phone was booting properly. Fingerprint sensor didn't seem to work though.
I was running LOS 18.1 at that point. After upgrading to a newer LOS 18.1 version, the fingerprint sensor itself doesn't seem to be recognized anymore.
In `Settings -> Security` there is not more option to set up the fingerprints.
This has been the same for multiple ROMs. LOS 19, VoltageOS. Upgrading to RUI 2.0 firmware also didn't help. Lastly I installed the RUI 2.0 ROM, which also didn't lead to success.
By now I also replaced the fingerprint sensor itself, didn't change anything.
I'm a bit clueless, the only option that I could see working is to have a valid persist.img, where apparently the sensor information is saved. Could someone share this one? I'm also open to other ideas.

General Accelerometer X / Y mirrored

Hi all,
Xiaomi Mi11 running the latest software and having accelerometer issues.
The phone thinks it's upright when my phone is on its side (landscape) so when the phone is upright my apps want to rotate.
I've tried CIT and calibration but it's not helped. is this a known issue?
I had no issues until I tried out pixel experience ROM, didn't like it so flashed the original ROM back on. I've tried several different versions of the stock ROM and still had issues.
Additional note. I got the correct stock ROM from the Xiaomi website and flashed it using their tool using full clean and flash m

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