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How to fix sensor malfunction following MI A3 downgrade from android 10 to 9..?

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By chachasl, Junior Member on 6th March 2020, 08:23 AM
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Recently i downgraded MI A3 android 10 to 9 because of bugs and end up the sensors are not working anymore.
#proximity sensor
#light sensor
#gyro and compass is not detected following downgrade.
does anyone know how to fix this or anyone could downgrade without having sensor issues?
please share

thank you.
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6th March 2020, 09:51 AM |#2  
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Quote:
Originally Posted by chachasl

Recently i downgraded MI A3 android 10 to 9 because of bugs and end up the sensors are not working anymore.
#proximity sensor
#light sensor
#gyro and compass is not detected following downgrade.
does anyone know how to fix this or anyone could downgrade without having sensor issues?
please share

thank you.

You must flash the persist partition with twrp. You can find a tutorial at the 4pda site
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6th March 2020, 05:40 PM |#3  
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I am having the same problem.. any solution??
Thanks in Advanced..
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6th March 2020, 08:25 PM |#4  
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I read on a latin facebook page, that you need to install some rom, the majority agrees with miui 11 to start it, to activate the usb depuration and to install the global and european stock android one 9.0 rom and that the problem is corrected, i do not correct why the process has to be that.
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7th March 2020, 12:03 AM |#5  
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Originally Posted by lozada81

I read on a latin facebook page, that you need to install some rom, the majority agrees with miui 11 to start it, to activate the usb depuration and to install the global and european stock android one 9.0 rom and that the problem is corrected, i do not correct why the process has to be that.

Can you explain More or give me the link
7th March 2020, 12:11 AM |#6  
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Quote:
Originally Posted by chachasl

Recently i downgraded MI A3 android 10 to 9 because of bugs and end up the sensors are not working anymore.
#proximity sensor
#light sensor
#gyro and compass is not detected following downgrade.
does anyone know how to fix this or anyone could downgrade without having sensor issues?
please share

thank you.

Did you use miglash to downgrade?
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7th March 2020, 02:01 AM |#7  
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Originally Posted by amnher

Did you use miglash to downgrade?

No i did not.
Developer option bootloader unlocked and usb debugging activated
Fastboot unlocked using adb fastbioot
And flashed the official fastboot rom using mi flash tool
7th March 2020, 02:04 AM |#8  
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Originally Posted by chachasl

No i did not.
Developer option bootloader unlocked and usb debugging activated
Fastboot unlocked using adb fastbioot
And flashed the official fastboot rom using mi flash tool

Can you go back to 10? They say just make a backup of persist partition via twrp then flash it
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7th March 2020, 02:12 AM |#9  
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Originally Posted by amnher

Can you go back to 10? They say just make a backup of persist partition via twrp then flash it

Sure i will try..
7th March 2020, 05:05 PM |#10  
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Solution
Hey, i was facing the same problem... I visited the MI Customer Care, they had no idea, all they said is that my sensors are broken, i will have to change them...
But Updated it to official Android 10, and the sensors are back again..
Follow this link: https://www.the***********.com/xiaom...-update-guide/
Hope this works for you...
20th April 2020, 03:33 PM |#11  
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Quote:
Originally Posted by chachasl

Recently i downgraded MI A3 android 10 to 9 because of bugs and end up the sensors are not working anymore.
#proximity sensor
#light sensor
#gyro and compass is not detected following downgrade.
does anyone know how to fix this or anyone could downgrade without having sensor issues?
please share

thank you.

Facing same issue here please help.
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