Develop Bugs

[Solved] Sensors not working

Hello,
my wife and I both have a Pixel C because it is very convenient for surfing etc.
Yesterday I realized the ambient light sensor on mine stopped working (adaptive brightness not working) and today on my wifes Pixel nearly all sensors stopped working (screen rotation, compass, ... not working).
Using the app "Sensors Multitool" on her tablet I only get those menu entries: "Battery", "WIFI", "Light" and "Distance" (translated names from german). Those are all working.
On my own Pixel I get many more (e.g. Gyroscope, Acceleromator, ...). Light and distance are shown but both receive no useful/no values from the sensors. All others beside of those two are working.
I already tried to factory reset and wipe cache on my wifes tablet - not working
Any further ideas? To me it sounds like hardware defect on both tablets..

There was an update to the secondary processor (EC) code with the Feb OTA, so its possible that its a software glitch - assuming you have updated. Judging from the current known issues, there seems to be some source of variation which makes testing some of this software tricky...

I flashed the old version (6.0.1 (MXB48J)) but sadly it didn't work I guess this also downgrades the code for the EC? Any further ideas? Looks like we've got to send both of them back for a replacement....

Flashing the latest Android N Dev Preview fixed the sensors for me!!
My wifes Pixel got replaced without any problems So everything good from our side.

MTP, PTP and ADB not detected on any computer/OS

I'm having a variety of strange issues on my Yakju (international GSM version) Galaxy Nexus.
I've been repairing the hardware after my sister broke the phone (broken screen). The phone was working fine, but I was worried moisture would get inside the cracked glass of the screen (glass pieces were missing). However, the phone also had trouble launching the camera, causing all camera apps to crash.
I replaced the screen, back and front camera, and the usb port (connection problems in the past) with new components. The device works except for:
- front camera makes any camera app crash back camera works fine
- the phone is not detected on Windows or MacOS (except for once on MacOS somehow) but fastboot works perfectly.
USB connection used to work fine and I've been flashing CM11 through TWRP and CM13 as well (connection issues seem to have started after CM13).
Fastboot being my only option, I completely reset the device to stock 4.3. Same issue. Tried 4.0.4. Same issue. The reset was originally intended to fix the front camera issue following this thread
I used this guide for fastboot factory reset.
Been working on this all day and I'm running out of ideas. I'm gonna try to swap the old components back, or perhaps flash 4.2.2 because that seems to work the best for people. If anyone has had similar issues or can think of something I might have missed any help would be greatly appreciated.

My camera doesn't focus. Is it a software problem or a hardware problem?

Hello, I have a problem with the Mi6 camera and I want you to help me to know if it's a software problem or hardware problem.
My problem is that my phone camera does not focus. It always seems to be in "macro" mode. I installed LineageOS 17.1 in late April and testing if everything was correct, I noticed that the camera was not focusing. But the last photo I took well (with LineageOS 16) was in mid-March, more than a month earlier. So before I put an issue on Lineage 17.1 or replace the camera module I would like to be sure what the fault is.
What did I find out? I installed the application called CPU Info and it detects 4 cameras: ID0, ID1, ID2 and ID3 (screenshot attached). ID0, ID2 and ID3 are back cameras and ID1 is the front camera. The Open Camera application allows me to select between those 4 cameras. And it turns out that ID0 is the camera that focuses on "macro", ID2 seems to focus on the whole picture in general, but with the ID3 camera the screen freezes. So ID0 is the default camera that the other applicantions are using.
I suspect that ID3 is a virtual camera that should "join" cameras ID0 and ID1 in some way. And this is what is failing. This makes sense?
Is it normal for my mobile to detect 4 cameras? Is there an application that can help me more? Any log I can review? Anything you can do before buying a new camera module?
Xiaomi MI 6 - LineageOS 17.1 - fw: fw_sagit_miui_MI6Global_V11.0.6.0.PCAMIXM - Magisk installed without any modules

I installed Lineage OS 16 and the camera failed too, so I think It's a hardware problem .

Flash Fastboot rom with MiFlash and check the camera. If it fails again it's probably a hardware issue.
Good luck, zaqm

Have you recently changed the screen or any component?
It happened to me a while ago, I still did not focus the camera, but it turns out that it is a problem that the camera block is loose, that is, the metal box where the lenses are located is loose hitting against the protective glass and blocking the function to focus.
It happened to me because the screen I replaced comes with a frame, but the new frame does not have sheets that hold the camera block and therefore causing the failure.
Try to give a few strokes to see if the block is accommodated and you notice that it already focuses again and you can be sure that that is the problem, question of fixing it.

Redmi Note 8 Pro Gyroscope Problem

As some of you guys might already know Redmi devices have Gyroscope issue but it get fixed with Calibration (in my case temporarily)
previously in Android pie, while playing pubg Gyroscope was working fine with no issue, but i had the issue with my gyroscope while charging where my aim was moving on its own even on a flat surface. but it used to happen while charging only (& my Gyroscope setting is always on with 190 sensitivity just for the info)
And now in Android 10 it happens after every 10, 15 minutes doesn't matter how many times i 've calibrated my device but it never get fixed permenantly.
But I know the temporarily solution:
About > All Specs >Tap 3 times on kernal version > Press on the top right corner & go to additional tools
Acc Calibration Tool:
Accelerometer ( not all values are zero) just calibrate your accelerometer, & your device should be on a flat surface
Gyroscope Calibration Tool:
Gyroscope (all values are zero but some are in (-ve) zero don't know why ?)
Calibrate Gyroscope - also device should be on a flat surface
check your Gyroscope issue with 'Compass app' and values should be constant on a flat surface
You can also use 'Gyroscope Test App'
in my case:
mine only gets fixed after calibrating and waiting for 20 seconds at least. i use Gyroscope test app to know whether my Gyroscope issue is fixed or not
and mine never get fixed after device reboot.
seems like this is the Hardware issue. i tried to hard reset changed rom to miui 12 came back to miui 11 but the issue is still there.
and calibration is the temporarily solution for me until i don't reboot my device.
didn't tried custom rom yet.
Did any of you guys have the similar issue, or any of you know how to fix it? Please Help!

Strange seems like no one is facing this issue

I am facing the same problem from past two days on my redmi note 8 pro . It can be fixed temporarily by rebooting the device . But after opening CIT by tapping kernel version my accelerometer is not showing anything it's blank

gkl1312 said:
I am facing the same problem from past two days on my redmi note 8 pro . It can be fixed temporarily by rebooting the device . But after opening CIT by tapping kernel version my accelerometer is not showing anything it's blank
Click to expand...
Click to collapse
Sorry to say that i cannot help ??

Facing the same issue. Screen doesn't rotate, accelerometer and gyroscope values are blank in CIT

On a steady table using the built in level function in the compass app was showing 1 degree (table not perfectly flat) for a couple of minutes and now it`s changed to 2 degrees and has been showing that for over five minutes, The only problem i have had is if i am on the home-screen in portrait mode with the phone on the table and click on my browser (opera) the screen will change to landscape mode, Then if i lift up the front of the phone the display will change to portrait mode, It does this with a few apps and it can be a pain, I could download a screen rotation all to fix the problem if i needed, So no major problems and i am not phone gamer, I prefer my 360 or PC

i hope this work for you
If your gyroscope is temporary work after restart you can fix it with my guide:
1.restart your device
2.open the cit test (multiple tap on kernel number)
3.calibrate your gyroscope in flat surface and make sure your gyroscope is still active
4.follow the other sensor calibration until you complete the compass calibration .
4.you can exit cit and check all your sensors
note:do this as fast as you can

Nouman112 said:
As some of you guys might already know Redmi devices have Gyroscope issue but it get fixed with Calibration (in my case temporarily)
previously in Android pie, while playing pubg Gyroscope was working fine with no issue, but i had the issue with my gyroscope while charging where my aim was moving on its own even on a flat surface. but it used to happen while charging only (& my Gyroscope setting is always on with 190 sensitivity just for the info)
And now in Android 10 it happens after every 10, 15 minutes doesn't matter how many times i 've calibrated my device but it never get fixed permenantly.
But I know the temporarily solution:
About > All Specs >Tap 3 times on kernal version > Press on the top right corner & go to additional tools
Acc Calibration Tool:
Accelerometer ( not all values are zero) just calibrate your accelerometer, & your device should be on a flat surface
Gyroscope Calibration Tool:
Gyroscope (all values are zero but some are in (-ve) zero don't know why ?)
Calibrate Gyroscope - also device should be on a flat surface
check your Gyroscope issue with 'Compass app' and values should be constant on a flat surface
You can also use 'Gyroscope Test App'
in my case:
mine only gets fixed after calibrating and waiting for 20 seconds at least. i use Gyroscope test app to know whether my Gyroscope issue is fixed or not
and mine never get fixed after device reboot.
seems like this is the Hardware issue. i tried to hard reset changed rom to miui 12 came back to miui 11 but the issue is still there.
and calibration is the temporarily solution for me until i don't reboot my device.
didn't tried custom rom yet.
Did any of you guys have the similar issue, or any of you know how to fix it? Please Help!
Click to expand...
Click to collapse
:::my note8 pro also has same issue
i also tried all the tricks, calibration and all stuff but it only worked temporarily. if i place my phone on flat surface, it stops moving for some minutes but starts moving again.
i even tried changing my miui version from global to indian varient but the problem is still on. these days when i press the phone on top left corner, the gyroscope moves even more faster and when i press it around middle, it starts moving in opposite direction but never stops. somewhere i have hheard that this may be due to hardware issue, because of heating.

Nouman112 said:
As some of you guys might already know Redmi devices have Gyroscope issue but it get fixed with Calibration (in my case temporarily)
previously in Android pie, while playing pubg Gyroscope was working fine with no issue, but i had the issue with my gyroscope while charging where my aim was moving on its own even on a flat surface. but it used to happen while charging only (& my Gyroscope setting is always on with 190 sensitivity just for the info)
And now in Android 10 it happens after every 10, 15 minutes doesn't matter how many times i 've calibrated my device but it never get fixed permenantly.
But I know the temporarily solution:
About > All Specs >Tap 3 times on kernal version > Press on the top right corner & go to additional tools
Acc Calibration Tool:
Accelerometer ( not all values are zero) just calibrate your accelerometer, & your device should be on a flat surface
Gyroscope Calibration Tool:
Gyroscope (all values are zero but some are in (-ve) zero don't know why ?)
Calibrate Gyroscope - also device should be on a flat surface
check your Gyroscope issue with 'Compass app' and values should be constant on a flat surface
You can also use 'Gyroscope Test App'
in my case:
mine only gets fixed after calibrating and waiting for 20 seconds at least. i use Gyroscope test app to know whether my Gyroscope issue is fixed or not
and mine never get fixed after device reboot.
seems like this is the Hardware issue. i tried to hard reset changed rom to miui 12 came back to miui 11 but the issue is still there.
and calibration is the temporarily solution for me until i don't reboot my device.
didn't tried custom rom yet.
Did any of you guys have the similar issue, or any of you know how to fix it? Please Help!
Click to expand...
Click to collapse
negative values are common like north0 east0 west-0 south-0, as referrence points of start and direction

I also have the same problem but it is on REDMI NOTE 10 PRO (INDIA VERSION sweetin), so can someone help us

Miui 12.5 issue?

Hi I have recently bought a second hand redmi note 8 pro to use with a drone I have also recently purchased.
everything has been working fine. Until last night 21/07/21 I had a notification of the new miui 12.5 update. which I left to do its thing. The issue is the screen does not respond to touch. it appears to boot up ok gets to the screen shown. I have had it on fastboot screen and also wiped all data (can't seem to get mi assistance to work.)
Has anyone else had the update/ issue?
How would you recommend proceeding.

I have the same problem (Redmi Note 8 Pro Global - MI firmware). After updating from 12.0.8, the touchscreen stopped working.
I had to roll back through the fastboot. I also tried to flash version 12.5.1.0 via fastboot - the problem persists.
The phone had a replacement display module, but with an original one.
There is an idea to try to flash it with a version for Indonesia or China, but so far I have not tested it.

Issue with SIM selection for calling on MIUI 12.5 Global - Redmi Note 8 Pro​
Anyone experiencing this bug with default SIM for call?
The Google Dialer will ask for which SIM to call on reboot even tho I already set it as SIM1 or SIM2 in the Settings.
The workaround is manually reselecting the SIM but only effective till next reboot.

Same exclusive Xiaomi Update Fail Forget about help or information from the official Support.
Connect a mouse with a USB-C to USB Adapter and backup your personal data.

I have exact same issue on this update. I also replaced the screen some time ago. I belive it's android 11 problem, because CFWs like PE doesn't work too. ROMs with Android 10 also seems weird to me, because digitizer keeps "jumping" and clicking random places. Android 9 - all works perfectly fine. I am going to find out which partition is used to use touchscreen and check if it's possible to flash it over PE ROM to solve the problems.

I have some problems after updating to MIUI 12.5.1:
1. Have to repeat the procedure twice for uploading any picture from gallery to anywhere on Internet. It doesn't work in first attempt.
2. Fingerprint sensor shows many errors off & on. 3-4 attempts to open the phone. Tried re-registering my fingers.
3. Option of Completely Hide Notch gone
4. While playing Facebook videos, sound continues, video stops.
Too annoying these bugs are.

AlphaBravo said:
I have some problems after updating to MIUI 12.5.1:
1. Have to repeat the procedure twice for uploading any picture from gallery to anywhere on Internet. It doesn't work in first attempt.
2. Fingerprint sensor shows many errors off & on. 3-4 attempts to open the phone. Tried re-registering my fingers.
3. Option of Completely Hide Notch gone
4. While playing Facebook videos, sound continues, video stops.
Too annoying these bugs are.
Click to expand...
Click to collapse
5. Battery drain ("...even on miui 12.5 battery drain too much high...")
Compass.

slashimi said:
I have exact same issue on this update. I also replaced the screen some time ago. I belive it's android 11 problem, because CFWs like PE doesn't work too. ROMs with Android 10 also seems weird to me, because digitizer keeps "jumping" and clicking random places. Android 9 - all works perfectly fine. I am going to find out which partition is used to use touchscreen and check if it's possible to flash it over PE ROM to solve the problems.
Click to expand...
Click to collapse
Just now,i found that the user Wai_Yan
slashimi said:
I have exact same issue on this update. I also replaced the screen some time ago. I belive it's android 11 problem, because CFWs like PE doesn't work too. ROMs with Android 10 also seems weird to me, because digitizer keeps "jumping" and clicking random places. Android 9 - all works perfectly fine. I am going to find out which partition is used to use touchscreen and check if it's possible to flash it over PE ROM to solve the problems.
Click to expand...
Click to collapse
Yes, the great manufacturer has kept its information behind the mountain. I have just found a contribution to this in the mi community.
It only briefly mentions that repairs should be made with an official display. I also do not understand why Xiaomi makes such a secret of it and does not give the reasons. Link
I have installed the Global 12.0.5 Stable QGGEUXM and I am also aware of these display anomalies.
Do you have any results in the project?

Boo-Kah-Kee said:
Just now,i found that the user Wai_Yan
Yes, the great manufacturer has kept its information behind the mountain. I have just found a contribution to this in the mi community.
It only briefly mentions that repairs should be made with an official display. I also do not understand why Xiaomi makes such a secret of it and does not give the reasons. Link
I have installed the Global 12.0.5 Stable QGGEUXM and I am also aware of these display anomalies.
Do you have any results in the project?
Click to expand...
Click to collapse
I've tested all partitions but any of them seems to be changing display driver. So sorry, no luck there, I think we're stuck with android 9. It looks like it is hard-coded into firmware.

slashimi said:
I've tested all partitions but any of them seems to be changing display driver. So sorry, no luck there, I think we're stuck with android 9. It looks like it is hard-coded into firmware.
Click to expand...
Click to collapse
I noticed a break in a layer of the display within 14 days of use. There was no heavy use or pressure on the display. Xiaomi - K.O.

How to bring back the option of "Completely Hide the Notch" in MIUI 12.5.1?

I have just realised I didn't update. I was having lots of trouble fixing this. I think my reply from xiaomi was wait for the next update this might fix it.
Thank you to Boo-Kah-Kee, I never knew you could plug a mouse in.
anyway I eventually got it back to the prievious rom by following this Video.
No more updates it works fine.