Current Release - Full Image 1.21.006-00

OS/Std Apps	1.21.006-00-5.15.60
Main board	1.21.037
Loader	1.21.002-2022.04

Diagnostics Menu - OS image build date 2025-10-21

Patch Updates and Update History

The OS/Std Apps version may show a patch update number in the version "-XX-" such as 1.21.006-05-5.15.50.

825 Gen2 Updates

Full Install / Update

A complete full update and wipe of an 825 Gen2 can be accomplished using a microSD card.

microSD Card Update

Option Card Updating

Updating a DLC option card

Click this link for information about updating the DLC option card

Updating 825 option cards

Except for the DLC card, firmware updates to the option cards require an ISP (In system programming) hardware interface and appropriate software to perform the update.