Choose UserDB (User Database) as the upgrade mode. Start: Select the file from your USB and press Start . Wait: Do not turn off the power until the receiver reboots. ⚠️ Important Considerations
Go to Tools or Setting -> Upgrade by USB . Choose UserDB (User Database) as the upgrade mode
Ensure your device is the Prifix 7400D Silver/Black (Standard Definition) or the HD version, as the files are not interchangeable. Choose UserDB (User Database) as the upgrade mode
Because these files are updated frequently by hobbyists, you can find the most recent 2022/2023 lists on these platforms: Choose UserDB (User Database) as the upgrade mode
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