Why NFC works only in Android 11? - Sony Xperia 1 Questions & Answers

I downgraded to android 9 and noticed that it isn't working. I have downgraded multiple times but it used to work.
If I update my phone to android 11 latest then it works again but I don't want to upgrade to 11.
what might be the issue? How do i fix it staying on Android 9?
NFC in settings cannot be toggled!
Thank you

Hi, is NFC working on UK Customized Android 11 for 802so? how did you Flash it? I really want NfC back no matter the android version of it. thanks!

It is not working now.
If I flash any A11 Customized ROM it works.

Related

Help Needed

I had upgraded to the latest Android pie version but facing some issues and need help to resolve them.
1. My calls are not transferring to my car stereo but I can play music using Bluetooth. I was able to use in Android Oreo 8.1 stock rom.
2. Network signal guru app is not working (no forcing features) now on Android pie but was working perfectly fine in Android Oreo 8.1 stock rom.
3. Unable to open diag port in Android pie.
Need help.
kumar87 said:
I had upgraded to the latest Android pie version but facing some issues and need help to resolve them.
1. My calls are not transferring to my car stereo but I can play music using Bluetooth. I was able to use in Android Oreo 8.1 stock rom.
2. Network signal guru app is not working (no forcing features) now on Android pie but was working perfectly fine in Android Oreo 8.1 stock rom.
3. Unable to open diag port in Android pie.
Need help.
Click to expand...
Click to collapse
post the query on twitter tagging asus india handle maybe some help

how to change back to Pie from android 10 with falsh?

Hello i would like to know if it's possible to flash pie and reverse back from android 10? I also would like to know what process would need to be done to actually do this? I have downloaded the Pie firmware and have everything so hopefully someone can answer this ?

after downgrad from A10 to Pie no Gyroscope and Compas function

Hi,
i had some issue's with Android 10 so i tried to downgrad back to Android 9...used Xperfirm to download 55.0.A.10.26 UA
but after flashing there was no Compas or Gyroscop function anymore....not even available at the service test menu (*#*#7378423#*#*)
so i flashed latest Android 10 version again and all is working well...any idea's how this can happen
or another source for the Android 9 (55.0.A.10.26) to download.?!
thx for any support :good:
Perhaps trying a different version of Pie?
By the way. does twrp work for you after downgrading?
newer flashed twrp
tried couple versions of Pie (EU, UA and play PL) not one brought back the sensor (gyroscope) back
updated OTA and with first update to Android 10 sensor started working normal....like a miracal.....Sony did something at the backround on our devices for sure....like deleting some function key's
so if u like to downgrad new devices u'll lose function's like u lose on rooting your device
Thanks! Good to know
i red some guides they said u need "OEM Unlock" to downgrade.!?
did anybody a succesfull downgrade from Android 10 back die Android 9 Pie
and is it possible Sony updated the Bootloader with the update to Android 10.??
DanielMode said:
did anybody a succesfull downgrade from Android 10 back die Android 9 Pie
and is it possible Sony updated the Bootloader with the update to Android 10.??
Click to expand...
Click to collapse
Yes I did downgrade and upgrades.
Use newflasher by munjeni to downgrade else there will be problem like you faced.
k thx...somebody said must be something with the bootloader they updated with A10 and after downgreat the start of Gyroscope is missing in it or not working anymore with A 9
what happen if i take the files from boot folder at Android 10 FW and put them into the boot folder at Pie FW and flash it

Can i install android 6 or 7 or 8 on samsung a10s

Hey there I have rooted my android 10 to enable wps but unfortunately it is not working
So
I want to downgrade android version from 10 to any other version that supports wps connection
Can I and how ?
There is no way in how you could ever downgrade to a version, which was lower than the version the device was preshipped with. You cant downgrade a Galaxy S8 to 6.0.1 for example, as it was introduced with 7.0. Correct me if I am wrong but in my many years of experience, I have never seen something like that. I think the A10s was shipped with Android 9. There is no way how you can get Marshmallow/Nougat/Oreo on that Phone. Sorry!

MIUI 12 bluetooth issues with car infotainment and continuous disconnections

Hello everybody,
I own a Xiaomi MI 10 with the latest stable MIUI 12 EU ROM,
since I did the update from MIUI 11 I am having problems in pairing the phone with the VW e-UP infotaiment system (called Composition Phone).
In practice, once paired after a few seconds it uncouples and then after a while retry a new pairing which after another few seconds it disconnects and so on ..
I tried all the developer settings a bit but they didn't help.
I also noticed that going to the bluetooth devices of the phone, if I tap on the name of the infotainmet just before the automatic procedure starts, then the pairing is successful and no longer disconnects.
Anyone have the same problem with a VW? is there a solution? I also installed Magisk, is it possible to patch the bluetooth libraries?
Same exact machine and exact same problem.
You Found solution?
I am waiting for xiaomi to give me the code to unlock the bootloader and I will go back to the UMIGlobal_V12.0.1.0.QJBMIXM which worked perfectly for me.
dottorniĆ¹ said:
Same exact machine and exact same problem.
You Found solution?
I am waiting for xiaomi to give me the code to unlock the bootloader and I will go back to the UMIGlobal_V12.0.1.0.QJBMIXM which worked perfectly for me.
Click to expand...
Click to collapse
Great! it's nice to know you're not alone where are you from?
I can tell you that I tried the latest EU ROM and it didn't work, but the EU compared to the global one has several nice features more. Since you have to unlock I advise you not to put the global again.
Before downgrading I would like to try the ROM EU weekly which if I have not misunderstood is based on the MIUI 12.5 beta, but for the moment I have not yet done so ..
Hi.
giacomobe said:
Great! it's nice to know you're not alone where are you from?
I can tell you that I tried the latest EU ROM and it didn't work, but the EU compared to the global one has several nice features more. Since you have to unlock I advise you not to put the global again.
Before downgrading I would like to try the ROM EU weekly which if I have not misunderstood is based on the MIUI 12.5 beta, but for the moment I have not yet done so ..
Hi.
Click to expand...
Click to collapse
giacomobe said:
Great! it's nice to know you're not alone where are you from?
I can tell you that I tried the latest EU ROM and it didn't work, but the EU compared to the global one has several nice features more. Since you have to unlock I advise you not to put the global again.
Before downgrading I would like to try the ROM EU weekly which if I have not misunderstood is based on the MIUI 12.5 beta, but for the moment I have not yet done so ..
Hi.
Click to expand...
Click to collapse
Even the weekly does not work
I finally managed to solve the problem with the ROM
xiaomi.eu_multi_MI10_V12.0.8.0.QJBCNXM_v12-10.zip
which also works very well .. In any case I begin to think that it does not depend on the MIUI version, but on the version of android. I think the bluetooth management problems are due to android 11.
A bit late but have you tried changing the Bluetooth protocols in developer settings? You can change the version etc..
I have a new e-UP since yesterday.. same problem here with MIUI 12.5.1.0 on Poco F3.
Any solution without downgrading the rom? (MIUI 12.0.5.0 is also Android 11 on F3)
I think i will go for a Custom Rom in the next few days..
Does the latest Maps+More update changes anything? It says "Android 11 compatibility"..
HI Guys,
For me this problem is still alive. I'm running a VW E-Up also and since updating to MIUI 12 my car bluetooth is unusable as it constantly connects and disconnects to my M10 every 5 seconds or so. I've experimented with many settings changes, along with unpairing and re pairing but all to no avail.
I'm running 'Maps and More' ver 5.0.0 also but it's useless as I can't stay connected long enough to do anything with it.
Has anyone found a fix without downgrading?
Same problem here... any news/solution?
Volkswagen Up
MIUI Global 12.5.5.0 RKIEUXM
Security Patch 2021-08-01
Xiaomi Mi 11 Lite 5G
Hi guys,
I have similar issue since version later than 12.5.3. I even changed my phone to other xiaomi model, the issue remains.
So I will flash back to 12.5.3 if the issue cannot be solved in 3 months...
Now I have to turn on and off airplane mode to temporarily solve the issue every time I need to use Bluetooth related functions.
yzkzero said:
Hi guys,
I have similar issue since version later than 12.5.3. I even changed my phone to other xiaomi model, the issue remains.
So I will flash back to 12.5.3 if the issue cannot be solved in 3 months...
Now I have to turn on and off airplane mode to temporarily solve the issue every time I need to use Bluetooth related functions.
Click to expand...
Click to collapse
Try this: https://llamalab.com/automate/community/flows/40450
Hy folks,
Idk if the Bluetooth is the same but I got the skoda citigo with the Garmin device. Had the same issue. The resolution for me was to activate developpers options and change the Bluetooth Codecs to what my GPS device supports as it was way older than the one build in my redmi note 11
My perfect solution: I deactivated the work profile, and eveything is fine again!

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