Downgrading Galaxy S25 Ultra Android 15_to_14:
- 1. Ensure your device bootloader is unlocked.
- 2. Download the factory image for the target Android version.
- 3. Install ADB and Fastboot on your computer.
- 4. Boot your Galaxy S25 Ultra from 15_to_14 into Fastboot mode.
- 5. Run the following commands:
– fastboot flash bootloader bootloader.img.
– fastboot reboot-bootloader
– fastboot flash radio radio.img
– fastboot reboot-bootloader.
– fastboot -w update image.zip. - 6. Reboot your device and complete the setup.
Important: Downgrading will erase all data on your device. Make sure to back up your data before proceeding.