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Downgrade to 7.0 from 8.0 with Smart Switch (Downloading mode) stuck at 0%

(Topic created on: 02-06-2025 07:27 PM)
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Bayak
Journeyman
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So I just got Downgrade button today on Smart Switch, I'm trying to downgrade to OTA version but for some reason once phone is booted to Downloading mode, it stays at 0%, I left it first time for 40 mins, nothing changed. I'm going to leave it for a longer period now even though I'm sure it doesn't need more than that. Does anyone has a same problem or any idea how to fix it? Once the phone is reset, it boots normally to One UI 8 beta. Downloading files was successful in Smart Switch, once the phone boots to Downloading mode nothing more happens. I tried exiting Smart Switch as well and none of the Windows are able to be closed, had to restart the PC to reset the process. Tried USB debugging option on/off still the same. Any idea? Samsung?

1 Solution


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Solution
Bayak
Journeyman
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Issue was solved by changing the cable, for some reason Type-C to Type-C cable is not recognising the phone once in Downloading mode, so you have to use Type-A to Type-C, btw I used non original cable (from Ps5 controller) and it worked... 

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6 REPLIES 6
Piper123
Samsung Members Star ★
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Are you trying to leave Beta for One UI8?

If so I think you may have to do this through Smartswitch not OTA (but I'm far from sure).

For others reading this, BETA IS DEVELOPMENT SOFTWARE, NOT AN UPGRADE.

Please don't sign up for it simply because you think you're getting the latest OS early. Beta comes with risks and is not advised for your main phone.
I am not employed by Samsung nor do I receive any remuneration as a Samsung Members Star.

My device is an S25 Ultra.
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Bayak
Journeyman
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I know what beta means, and as I know OTA means last official stable version (correct me if I'm wrong). I withdrawn beta completely. I just wanted to see how it looks and now I want to go back to the stable (latest) version of One UI. As I know I have to do it with Smart Switch. I did all the steps, but once phone boots to download mode, it stays there stuck at 0%.

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Piper123
Samsung Members Star ★
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OTA = Over The Air

I suspect if you are stuck at 0% then you've missed a step.

I was also VERY CLEAR in my earlier comment that the bit about Beta was "For others reading this......."

I.E. it was NOT directed at you but this is a public forum and others will come on here and read threads etc and so we have to consider that when responding.

Sorry - it isn't all about you 😂😂
I am not employed by Samsung nor do I receive any remuneration as a Samsung Members Star.

My device is an S25 Ultra.
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Bayak
Journeyman
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Screenshot 2025-06-02 223707.pngSo what step could I miss? Tell me more.  

1. Left beta from Samsung Members front page

2. Withdrawn beta from Samsung Members settings

3. Connected my phone using original USB cable to PC

4. Downloaded Smart Switch from Microsoft Store

5. Connected my phone to a PC

6. Chose Transfer Data

7.  Pressed Downgrade button

8. Accepted all the rules before the installation

9. Downloaded the latest update successfully 

10. Phone reboots itself to download mode

11.  Smart Switch changes window to Updating message 

12. 0% All the time.

 

Yes I was explaining my self that I know what beta means, I did not mean anything bad by that.... 

 

No one said that! :smiling-face: 

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Bindex
Helping Hand
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Did you download the smart switch app from the Microsoft store by any chance?

Unless this issue has been resolved.
MrBindex | Tech enthusiast
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Solution
Bayak
Journeyman
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Issue was solved by changing the cable, for some reason Type-C to Type-C cable is not recognising the phone once in Downloading mode, so you have to use Type-A to Type-C, btw I used non original cable (from Ps5 controller) and it worked...