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05-14-2020 12:30 PM (Last edited 05-14-2020 12:32 PM ) in
Galaxy NoteI'm using a Note 10 plus and a few days ago I upgraded my phone to One UI 2.1 and after that My phone became very laggy . I bought this phone only for gaming as I have Youtube Channel but now Three of the major games I used to play have become unplayable. PUBG Mobile is locked at 40 fps and Call of Duty is locked at 30 and Asphalt 9 is stuck at the loading screen. I have tried alot of solutions but nothing seems to work. If anyone to could help me downgrade back to ONE UI 2.0 as I can't wait for the new Bug free update.
Mobile Model is SM-N975W
Please inform me if it will void warranty.
I have tried reinstalling games , Lower graphics , wiping cache , and even factory reset.
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05-15-2020 06:24 PM (Last edited 05-15-2020 06:29 PM ) in
Galaxy NoteOkay, go to your computer and type this in your browser: http://chmulti.ca/N10P-BTB3 (http:// not necessary)
Download everything there. You'll probably have to unzip it, do it if necessary. If done correctly, you'll have something like Image 1.
Open the Odin folder and open the Odin executable. Disregard any warning. Click on the AP button. In the window that appears, navigate to the folder you've downloaded and select the file that starts with AP (Image 2). The file will be processed. This step will take a while.
Repeat for BL and CP (select the correct file, BL for BL, CP for CP). For CSC, select the file named HOME_CSC. Leave USERDATA blank.
Now, do a backup of your phone, just in case.
After that, turn off your phone and hold the Power and Volume Down buttons (Image 3). There will be a teal warning screen. Press Volume Up. Plug your phone to your computer and hit Start.
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05-14-2020 12:35 PM in
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05-14-2020 12:41 PM in
Galaxy NoteThanks Alot sir, I'll be waiting for your reply
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05-14-2020 02:20 PM (Last edited 05-14-2020 02:22 PM ) in
Galaxy NoteYou can check this and see if they found any solutions. this is the US forum :
https://us.community.samsung.com/t5/Note10/Game-lagging-after-the-One-UI-2-1-update/td-p/1187320
But i think Downgrading seems the only solution for now...
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05-14-2020 03:00 PM in
Galaxy NoteThanks for the reply but I've just read the post and according to them the only solution is Downgrading.
PS: I just tried Disabling HW Overlays which works for some of them but it made my games even worse. Games start using GPU 100% and screen starts flickering.

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05-14-2020 02:55 PM in
Galaxy NoteHi Samsung_yonlWic,
Normally, You wouldn't be able to revert back to a previous version of Android. However, you can try the suggestions provided by CHMultimedia.

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05-14-2020 04:46 PM in
Galaxy NoteOnly way of voiding it usually involves rooting and installing custom ROMs. However, that's an impossibility as the Note 10+ has locked boot loader now.
The only other thing to be aware of is you may not receive current security updates if downgrading. Not entirely sure (as I've never done a downgrade). But something to consider as well?
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05-14-2020 04:55 PM (Last edited 05-14-2020 04:55 PM ) in
Galaxy NoteOr disable the Updates service.
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05-14-2020 04:59 PM in
Galaxy NoteThanks Alot for the information 😇
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05-15-2020 07:01 AM in
Galaxy NoteIf I use Odin and official software somehow we can't downgrading the firmware because we have locked bootloader, even if we already unlock the bootloader in developer setting.
And yes, official ROM won't void warranty
Tell me if I'm wrong.
