How to Downgrade from One UI 7.0 to One UI 6.1: A Step-by-Step Guide

If you’ve updated your Samsung device to One UI 7.0 and feel the need to revert back to One UI 6.1, this guide has you covered. Downgrading might be necessary due to regional compatibility, bugs, or personal preferences. Follow the steps below carefully to ensure a smooth transition.

Why Downgrade?

One UI 7.0 beta builds, though exciting, are often region-specific and may not perform optimally for everyone. For instance, users in India reported issues with the beta version. Reverting to One UI 6.1 restores stability and ensures official OTA updates from Samsung.

Preparation Checklist

Before starting the downgrade process, gather the following:

1. PC with Internet Access: To download required tools and firmware.
2. Samsung USB Drivers: Ensure your PC recognizes the device.
3. Odin Tool: Flashing software for Samsung devices.
4. Frija Tool: To download the official firmware.
5. Correct Firmware: Match the firmware version with your device model and region.
6. USB Cable: For connecting your device to the PC.
7. Backup Data: The process may erase all data on your device.

Step-by-Step Downgrade Process

Step 1: Enable Developer Options

1. Go to Settings > About Phone > Software Information.
2. Tap Build Number seven times to enable developer options.
3. Navigate to Developer Options and enable USB Debugging.
   • If blocked by an auto-blocker, disable it under settings.

Step 2: Prepare Your PC

1. Install the Frija Tool, Odin Tool, and Samsung USB drivers.
2. Use the Frija Tool to download the correct firmware:
   • Enter your device model and region (e.g., CSC code “INS” for India).
   • Download the firmware, which may be large (around 15GB).

Step 3: Extract and Prepare Files

1. Unzip the downloaded firmware and Odin Tool.
2. Keep all files accessible on your desktop.

Step 4: Boot Device into Download Mode

1. Power off your device.
2. Press and hold Volume Up + Volume Down, then connect the device to the PC.
3. Release the buttons when the device enters download mode.

Step 5: Flash Firmware Using Odin

1. Open Odin on your PC and connect your device.
   • Ensure a blue COM port appears, indicating a successful connection.
2. Add firmware files to Odin:
   • BL, AP, CP, and CSC (use Home CSC to retain data, or CSC for a full wipe).
3. Click Start to begin flashing.
4. Wait for the process to complete (a “PASS” message will appear in Odin).

Step 6: Final Steps

1. If your device shows an error like “Data Corrupted,” boot into recovery mode:
   • Press Volume Up + Power after restarting.
   • Select Wipe Data/Factory Reset and confirm.
2. Reboot your device.
3. Once the setup is complete, check Settings > Software Information to confirm One UI 6.1.

Post-Downgrade Tips

• Reinstall apps and restore data from your backup.
• Regularly check for OTA updates to stay on the latest stable firmware.

Download Link

• Frija Tool: Download
• Odin: Download

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