Downgrade to Android 12, One UI 4 - because of broken ANT+ Support? - Samsung Galaxy S20 / S20+ / S20 Ultra Questions &

Is there a possibility to downgrade to the last Stock ROM?
How to do this?
It's because of the broken ANT+ Support. Custom ROM with ANT+ would be great too, but I can't find one with working ANT+. Any recommendations?

retorix said:
Is there a possibility to downgrade to the last Stock ROM?
How to do this?
It's because of the broken ANT+ Support. Custom ROM with ANT+ would be great too, but I can't find one with working ANT+. Any recommendations?
Click to expand...
Click to collapse
You can flash Android 12 Firmware using odin.
Just download firmware files from Frija by typing your phones model number.
As for the CSC, the only one I know of with Android 12 as of now is KSA.
Once you get all the firmware files, place them in odin and flash while your phone is in download mode.

J521s said:
You can flash Android 12 Firmware using odin.
Just download firmware files from Frija by typing your phones model number.
As for the CSC, the only one I know of with Android 12 as of now is KSA.
Once you get all the firmware files, place them in odin and flash while your phone is in download mode.
Click to expand...
Click to collapse
Thanks for your swift and helpful reply!
Is the wrong CSC a problem? I would need DBT for Germany unbranded.
Dispite of this, I can't find a Android 12 Firmware for my SM-G980F with Frija - not even with KSA.

retorix said:
Thanks for your swift and helpful reply!
Is the wrong CSC a problem? I would need DBT for Germany unbranded.
Dispite of this, I can't find a Android 12 Firmware for my SM-G980F with Frija - not even with KSA.
Click to expand...
Click to collapse
Wrong CSC shouldn't be a problem as long as you have a sim card installed, but then again, it doesn't matter anyways since you want to stay on Android 12.
The S20 got updated into Android 13 in most countries.
Second way to do this is via those websites either Sammobile or samfrew where you just input your Phones model, CSC, and select what Android version you want.

Related

Unroot/Relock bootloader

I know Knox will stay tripped, but how do I unroot/flash stock? Using netflix was 50% of what I used this tablet for and now that they blocked root, I can't watch it anymore. I tried to use magisk, but it doesn't work at all for me on cyanogenmod. If anyone can recommend a rom that magisk 100% works on, without laggy videos in youtube/twitch/netflix, that would be awesome! If not, can someone link me a way to unroot/relock the bootloader so that I am able to use netflix again. I'm currently running cyanogenmod 12.1. Thanks!!
Just flash back the official ROM, your tablet status will be official but the Knox count won't change. Search sammobile for your model, if you can root then flash back official firmware is not a problem.
Beut said:
Just flash back the official ROM, your tablet status will be official but the Knox count won't change. Search sammobile for your model, if you can root then flash back official firmware is not a problem.
Click to expand...
Click to collapse
Can I use another country's official ROM? The US isn't on there
https://www.sammobile.com/firmwares/galaxy-tab-s/SM-T800/XAR/download/T800XXU1CPK2/129418/
Cellular South is US region, don't know why it comes with this name
Beut said:
https://www.sammobile.com/firmwares/galaxy-tab-s/SM-T800/XAR/download/T800XXU1CPK2/129418/
Cellular South is US region, don't know why it comes with this name
Click to expand...
Click to collapse
I have a T700
atech087 said:
I have a T700
Click to expand...
Click to collapse
Region doesn't matter, I have SM-T580 runs Germany firmware, SM-P580 runs Korean firmware because both are Android 7.
You can take the Australia firmware. Fact you should know: all Samsung tablets sold around the world are the same tablets, the difference is software customized to certain region.
Open a tablet sold in Asia, it's the same as the one sold in US, if loaded with US firmware, it becomes an US tablet.
I have one US tablet with Google Locked, downgraded it to Hong Kong firmware to bypass Google Lock, then upgraded it Nougat with Germany or Korean firmware.
I doesn't matter which firmware I loaded as long as English is my language of choice. Every region, you see the CSC ( Customer Software Customization ) file along with the AP file, that's the difference.
atech087 said:
I know Knox will stay tripped, but how do I unroot/flash stock? Using netflix was 50% of what I used this tablet for and now that they blocked root, I can't watch it anymore. I tried to use magisk, but it doesn't work at all for me on cyanogenmod. If anyone can recommend a rom that magisk 100% works on, without laggy videos in youtube/twitch/netflix, that would be awesome! If not, can someone link me a way to unroot/relock the bootloader so that I am able to use netflix again. I'm currently running cyanogenmod 12.1. Thanks!!
Click to expand...
Click to collapse
Apk 4.13.0 build 14540 works

Flash firmware from another country

Hi, I was wanting to find out if it's at all possible to flash a firmware from a different country and model. I'm in Australia and we are only updated to 8.0.
I would like to flash the pie update that was released overseas and also a different handset varient.
Ie: XA2 3133 currently and I'd like to flash the pie firmware for the 3113 varient.
Is it possible?
Thanks a lot for your help.
yurtal said:
Hi, I was wanting to find out if it's at all possible to flash a firmware from a different country and model. I'm in Australia and we are only updated to 8.0.
I would like to flash the pie update that was released overseas and also a different handset varient.
Ie: XA2 3133 currently and I'd like to flash the pie firmware for the 3113 varient.
Is it possible?
Thanks a lot for your help.
Click to expand...
Click to collapse
If you have a 3113, you can flash any 3113 firmware
yurtal said:
Hi, I was wanting to find out if it's at all possible to flash a firmware from a different country and model. I'm in Australia and we are only updated to 8.0.
I would like to flash the pie update that was released overseas and also a different handset varient.
Ie: XA2 3133 currently and I'd like to flash the pie firmware for the 3113 varient.
Is it possible?
Thanks a lot for your help.
Click to expand...
Click to collapse
It is not possible, you have to install pie rom of your own model, check out xperifirm for your model's pie update..

Changing CSC by Updating the Rom using Odin

My Note 10 plus is New Zealand Edition having Country code NZC. Since there is no OTA of Android 10 for NZC device. My device is still in android 9 (Attaching the software details screenshot below). I would like to manually update my phone with Stock android 10 rom with INS country code (Because iam using this device in India). Is it possible to update and change CSC through Odin without wiping the data.?
No
Yes it is.
Nettwerk said:
Yes it is.
Click to expand...
Click to collapse
Are you sure.? Is there any specific procedure to do that.?
See
https://forum.xda-developers.com/showpost.php?p=80668773&postcount=3

My Galaxy S9 SM-G960U1 haven't got Android 10 Update Yet ?

Hi,
XDA Community
So my inquiry today, is that
i realised samsung has just roll out the Android 10 Update for S9 devices, on Feb 2
but my phone is not getting updated yet via OTA, like always
I had no problem getting Android 9 (Pie) when it released.
but now, i am so confused, why my phone is not getting the update.
Well, i looked into SAMMOBILE official page, and some carriers of my model [SM-G960U1]
have already the Android 10 Update,
so my question here is, wich one of those sammobile.com - samsung - galaxy-s9 -firmware - #SM-G960U1]
, is my correct update or firmware
i figure out is the Uknown (XAA) Version [sammobile.com - samsung- galaxy-s9 - firmware - SM-G960U1 - XAA - download - G960U1UEU7DTA5 - 314846], but i need to be sure
so here we are, i need some help to get the correct firmware for my S9.
The things is that the PDA and CSC are the same on each Carrier, and is difficult to identify
i never had that issue with previous phones like S6, S3 or S7.
also, i looked into IME PAGE INFO, and says that is : XAG Version -> IMEI.info: CSC XAG
so, that confuse me.
NOTE: AND not MY Phone is not Rooted, i keep it official since i bought it.
so for you, i have the ADB Lines: of my S9 Phone:
[ril.debug.ntc]: [M:VZW, S:TFN, T:CDM, C:USA]
[ril.region_props]: [TFN.TFN]
[ril.product_code]: [SM-G960UZKATFN]
[ro.boot.carrierid]: [XAA]
[ro.boot.em.model]: [SM-G960U1]
[ro.boot.sales_code]: [TFN]
[ro.bootloader]: [G960U1UES7CSK2]
[ro.build.PDA]: [G960U1UES7CSK2]
[ro.build.display.id]: [PPR1.180610.011.G960U1UES7CSK2]
[ro.build.product]: [starqlteue]
[ro.carrier]: [unknown]
Click to expand...
Click to collapse
AND Thats all
very grateful that you can help me
I will appreciate it a lot
BoxEstil said:
Hi,
XDA Community
So my inquiry today, is that
i realised samsung has just roll out the Android 10 Update for S9 devices, on Feb 2
but my phone is not getting updated yet via OTA, like always
I had no problem getting Android 9 (Pie) when it released.
but now, i am so confused, why my phone is not getting the update.
Well, i looked into SAMMOBILE official page, and some carriers of my model [SM-G960U1]
have already the Android 10 Update,
so my question here is, wich one of those sammobile.com - samsung - galaxy-s9 -firmware - #SM-G960U1]
, is my correct update or firmware
i figure out is the Uknown (XAA) Version [sammobile.com - samsung- galaxy-s9 - firmware - SM-G960U1 - XAA - download - G960U1UEU7DTA5 - 314846], but i need to be sure
so here we are, i need some help to get the correct firmware for my S9.
The things is that the PDA and CSC are the same on each Carrier, and is difficult to identify
i never had that issue with previous phones like S6, S3 or S7.
also, i looked into IME PAGE INFO, and says that is : XAG Version -> IMEI.info: CSC XAG
so, that confuse me.
NOTE: AND not MY Phone is not Rooted, i keep it official since i bought it.
so for you, i have the ADB Lines: of my S9 Phone:
AND Thats all
very grateful that you can help me
I will appreciate it a lot
Click to expand...
Click to collapse
You don't need Android 10
Sent from my moto g(7) play using Tapatalk
PoochyX said:
You don't need Android 10
Sent from my moto g(7) play using Tapatalk
Click to expand...
Click to collapse
https://youtu.be/KL8U249nY5s
It's a complete tutorial..
Sent from my [device_name] using XDA-Developers Legacy app
BoxEstil said:
Hi,
XDA Community
So my inquiry today, is that
i realised samsung has just roll out the Android 10 Update for S9 devices, on Feb 2
but my phone is not getting updated yet via OTA, like always
I had no problem getting Android 9 (Pie) when it released.
but now, i am so confused, why my phone is not getting the update.
Well, i looked into SAMMOBILE official page, and some carriers of my model [SM-G960U1]
have already the Android 10 Update,
so my question here is, wich one of those sammobile.com - samsung - galaxy-s9 -firmware - #SM-G960U1]
, is my correct update or firmware
i figure out is the Uknown (XAA) Version [sammobile.com - samsung- galaxy-s9 - firmware - SM-G960U1 - XAA - download - G960U1UEU7DTA5 - 314846], but i need to be sure
so here we are, i need some help to get the correct firmware for my S9.
The things is that the PDA and CSC are the same on each Carrier, and is difficult to identify
i never had that issue with previous phones like S6, S3 or S7.
also, i looked into IME PAGE INFO, and says that is : XAG Version -> IMEI.info: CSC XAG
so, that confuse me.
NOTE: AND not MY Phone is not Rooted, i keep it official since i bought it.
so for you, i have the ADB Lines: of my S9 Phone:
AND Thats all
very grateful that you can help me
I will appreciate it a lot
Click to expand...
Click to collapse
XAA is one of several multi CSC firmware sets. Just flash it in Odin, youll be fine. HOME_CSC to not have it factory reset and CSC to have it factory fresh.
https://www.sammobile.com/samsung/galaxy-s9/firmware/SM-G960U1/XAA/download/G960U1UES7DTB2/319745/
and samfirm or frija to download it at over twice the speed
PoochyX said:
You don't need Android 10
Sent from my moto g(7) play using Tapatalk
Click to expand...
Click to collapse
very insightful.... posts like these are the glue that keeps this community together :: facepalm ::
Thanks to all,
i just figure out, that my device support XAA and TFN Carriers, and i just get the Android 10 update, today.
for some one that this can help
to switch between XAA or TFN, just depend on what type of SIM you are using, both can work on this samsung s9 model, the phone will automatically reboot and swith the best for you (XAA or TFN)
Have a great day!

Can i Flash Singapore firmware on my australia model

Soooo long time australia region haven't update android 10
can i know flashable?
terrance91 said:
Soooo long time australia region haven't update android 10
can i know flashable?
Click to expand...
Click to collapse
What's your current CSC of your device: XSA (Multi-CSC OXM)?
If so: https://www.sammobile.com/samsung/galaxy-fold/firmware/SM-F900F/PHN/download/F900FXXU3BTDD/336226/
Flash AP BL CP & HOME_CSC_OXM (other file in archive NOT to be used) with Odin 3.14.x: your data will stay intact
This is the latest update with all OneUI 2.1 functions and May security patch

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