How to Downgrade Samsung Galaxy S10 from Android 10 to 9 Pie with Odin

As the official method through Samsung Smart Switch doesn’t seem to work, here’s a video I’ve put together showing how to downgrade your Samsung Galaxy S10 from Android 10 back to Android 9 Pie. This will not void your warranty or trip Knox but please make sure you know exactly what you’re doing before you start!

Step 1) Download Odin Odin is the PC software you need to use to flash the firmware to your phone

Step 2) Download your stock/other firmware If you don’t want to void your warranty you’ll need to download the STOCK firmware for your model number. I have the SM-G975F BTU version so that is the firmware I downloaded. Go here: and search for your phone’s model in the list. Filter the results by country and ensure you select the correct service provider software (mine is BTU but yours is probably different!!). Check twice before you proceed and make sure you have the exact same version you require Now put your phone into Download Mode. To do this, power it off and disconnect the USB cable from your phone if it’s connected (leave the other end plugged into your PC though). Now hold the Volume Down + Bixby button and plug the USB cable back in. You should now get a warning message. Press Volume Up to proceed. Odin should detect your phone. If not, you might need to install the Samsung USB drivers (

Step 3) Extract your firmware and then load each file (if there are 4) into Odin. If you have a single firmware file, just browse to the “AP” and choose your firmware.

Step 4) Click on Options and de-select Auto-restart

Step 5) Click Start!

Step 6) Once Odin says its complete, simply disconnect the phone from the USB cable and press Volume Down + Power to restart your phone That’s it! Once your phone reboots you’ll be back on Android 9 Pie! 😊👍

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