How to Downgrade Samsung TV Firmware

Sometimes a firmware update introduces bugs or removes features. This guide covers how to roll back to a previous firmware version on Samsung TVs.

Important Warnings

• Downgrading is not officially supported by Samsung
• May void your warranty if issues arise
• Not all models support downgrading
• Backup your settings before attempting

When to Consider Downgrading

• New firmware causes app crashes
• Picture quality degradation after update
• Loss of specific features you rely on
• Compatibility issues with external devices
• Input lag increased for gaming

Firmware Downgrade Process

Step 1: Find Your Current Firmware

Go to Settings > Support > About This TV and note the exact firmware version and model number.

Step 2: Locate Previous Firmware

Search Samsung community forums or firmware archive sites for your specific model older firmware. Ensure you download the correct regional variant.

Step 3: Prepare USB Drive

Format a USB drive as FAT32 (max 32GB). Extract the older firmware file to the USB root directory.

Step 4: Enter Service Menu

With USB inserted, power off the TV. Press Mute > 1 > 8 > 2 > Power on the remote. The service menu will appear.

Step 5: Navigate to Software Update

In the service menu, find the Software Update or USB Update option. Select the firmware file on the USB drive.

Step 6: Complete the Downgrade

Follow the on-screen prompts to install the older firmware. The TV will restart multiple times during this process.

Alternative: Block Future Updates

If you want to stay on your current firmware:

Method 1: Disable Auto-Update Settings > Support > Software Update > Auto Update: OFF Method 2: Block Samsung Update Servers On your router, block these domains: - samsungcloudsolution.com - samsungcloudsolution.net - samsung.com/firmware - configprd.samsungcloudsolution.net Method 3: DNS-level blocking Use Pi-hole or AdGuard Home to block update domains

Model-Specific Notes

• 2020+ models (Tizen 5.5+): Downgrade protection may prevent rollback
• 2016-2019 models: Generally more permissive with firmware changes
• QLED vs Crystal UHD: Different firmware branches; ensure correct match

Frequently Asked Questions

Will Samsung disable my TV if I downgrade?

Samsung does not actively disable TVs with downgraded firmware, but some smart features may not work correctly with older versions.

Can I downgrade and then update again later?

Yes, you can always update to the latest firmware through the normal update process after a downgrade.

What if the downgrade fails?

If the TV becomes unresponsive, try holding the power button for 30 seconds. As a last resort, contact Samsung support for a service center firmware flash.