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[Q]How to downgrade superSU versions

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By ah46657, Junior Member on 18th March 2015, 02:19 AM
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I have an HTC One M8 with ROM 4.16.1540.8 (5.0.1)
I'm trying to remove my SuperSU app so that i can downgrade it to a lower version(2.20) due to incompatibility with some of my apps (puzzle and dragons).
Bootloader is unlocked and it is s-on.
I have tried removing SuperSU through the app itself by using the reinstall, switch superuser app, and full unroot functions, but everytime I restarted the phone superSU would be back and in version 2.46. I also tried manually deleting the apk and su files in the bin and xbin folders in system using es file explorer but a restart just brought those back too.
Any help would be greatly appreciated. Thanks!
 
 
18th March 2015, 05:57 PM |#2  
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Find the flashable zip for the "older" version and flash in recovery. I would think that should do it.
19th March 2015, 01:00 AM |#3  
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Hi thanks for the reply.
I flashed superSU 2.23 from recovery, but i got stuck in bootloop. What should i do to fix it? Thanks!
Edit: flashed the updated su back in and got out of it. How do i do the downgrade without a bootloop?
19th March 2015, 03:51 PM |#4  
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Quote:
Originally Posted by ah46657

Hi thanks for the reply.
I flashed superSU 2.23 from recovery, but i got stuck in bootloop. What should i do to fix it? Thanks!
Edit: flashed the updated su back in and got out of it. How do i do the downgrade without a bootloop?

Hmm, wouldn't expect that to happen. Obviously, since I would never intentionally bootloop someone!

Flash the stock ROM or restore stock nandroid. Then flash the desire SuperSU zip. That's the best I can think of.

Make a nandroid backup of your current setup (if you haven't already) to revert to "just in case".
3rd June 2017, 10:39 PM |#5  
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how to unflash supersu zip
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Originally Posted by redpoint73

Hmm, wouldn't expect that to happen. Obviously, since I would never intentionally bootloop someone!

Flash the stock ROM or restore stock nandroid. Then flash the desire SuperSU zip. That's the best I can think of.

Make a nandroid backup of your current setup (if you haven't already) to revert to "just in case".

recently i installed lineage os 14.1 in my device (rooted) and flashed supersu2.79 , but after updating it it 2.82, its showing SU BINARY OCCUPIED , so can i try downgrade supersu by flshing lower version,, if so how should i unflash previous supersu zip help
5th June 2017, 02:31 PM |#6  
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Quote:
Originally Posted by rajkumar1221

recently i installed lineage os 14.1 in my device (rooted) and flashed supersu2.79 , but after updating it it 2.82, its showing SU BINARY OCCUPIED , so can i try downgrade supersu by flshing lower version,, if so how should i unflash previous supersu zip help

So you tried to flash 2.82? I don't think that is the proper way to update. Since you already have SuperSU installed, you should just be able to go into the SuperSU app, and update the binary from there. Or is that what led to the "binary occupied" error?

But back to the basic question, you can't "unflash" SuperSU. You can "dirty flash" Lineage (just wipe cache and dalvik, can keep user data), and that will put you back on the "unrooted" Lineage ROM. Then you should be able to flash SuperSU 2.82 via zip.
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5th June 2017, 07:46 PM |#7  
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Quote:
Originally Posted by redpoint73

So you tried to flash 2.82? I don't think that is the proper way to update. Since you already have SuperSU installed, you should just be able to go into the SuperSU app, and update the binary from there. Or is that what led to the "binary occupied" error?

But back to the basic question, you can't "unflash" SuperSU. You can "dirty flash" Lineage (just wipe cache and dalvik, can keep user data), and that will put you back on the "unrooted" Lineage ROM. Then you should be able to flash SuperSU 2.82 via zip.

i unrooted my device now,, should i have to "first root" it with official lineage os extra file addonsu arm and then should i have to flash supersu zip ?
5th June 2017, 08:21 PM |#8  
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Quote:
Originally Posted by rajkumar1221

i unrooted my device now,, should i have to "first root" it with official lineage os extra file addonsu arm and then should i have to flash supersu zip ?

I don't personally use Lineage. I believe you will need to flash both of those, yes.
9th June 2017, 06:23 AM |#9  
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@redpoint73 , found this script made by osm0sis to "unSU". not sure if is relevant to earlier posts but thought maybe if you havent seen it yet would be worth looking at. maybe could help someone.?
http://forum.xda-developers.com/show...php?p=63615067
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