Version 2.27 (B)

This update includes new features. Key changes include:

• ACPI: Display initialization fixes

Full Changelog: 2.27...2.27b

This update is compatible with the following Surface Duo Models:

• Surface Duo America 128GB
• Surface Duo AT&T 128GB
• Surface Duo Europe 128GB
• Surface Duo America 256GB
• Surface Duo AT&T 256GB
• Surface Duo Europe 256GB

This update is compatible with the following installed software on Surface Duo:

• Android 10 (any firmware)
• Android 11 (any firmware)

This update requires an unlocked bootloader (via fastboot flashing unlock) and can be started by using fastboot boot boot.img

Guides for installing Windows can be found here

Version 2.27

This update includes new features. Key changes include:

• ACPI: Display initialization fixes
• ACPI: Audio interrupt id fixes
• Core: Preparations for continuing to boot Linux (not yet released)

Full Changelog: 2.26...2.27

This update is compatible with the following Surface Duo Models:

• Surface Duo America 128GB
• Surface Duo AT&T 128GB
• Surface Duo Europe 128GB
• Surface Duo America 256GB
• Surface Duo AT&T 256GB
• Surface Duo Europe 256GB

This update is compatible with the following installed software on Surface Duo:

• Android 10 (any firmware)
• Android 11 (any firmware)

This update requires an unlocked bootloader (via fastboot flashing unlock) and can be started by using fastboot boot boot.img

Guides for installing Windows can be found here

Version 2.26

This update includes new features. Key changes include:

• ACPI: Display topology updates

Full Changelog: 2.25d...2.26

This update is compatible with the following Surface Duo Models:

• Surface Duo America 128GB
• Surface Duo AT&T 128GB
• Surface Duo Europe 128GB
• Surface Duo America 256GB
• Surface Duo AT&T 256GB
• Surface Duo Europe 256GB

This update is compatible with the following installed software on Surface Duo:

• Android 10 (any firmware)
• Android 11 (any firmware)

This update requires an unlocked bootloader (via fastboot flashing unlock) and can be started by using fastboot boot boot.img

Guides for installing Windows can be found here

Version 2.25 (D)

This update includes new features. Key changes include:

• ACPI: Touch bringup
• MU: Platform updates

Full Changelog: 2.25c...2.25d

This update is compatible with the following Surface Duo Models:

• Surface Duo America 128GB
• Surface Duo AT&T 128GB
• Surface Duo Europe 128GB
• Surface Duo America 256GB
• Surface Duo AT&T 256GB
• Surface Duo Europe 256GB

This update is compatible with the following installed software on Surface Duo:

• Android 10 (any firmware)
• Android 11 (any firmware)

This update requires an unlocked bootloader (via fastboot flashing unlock) and can be started by using fastboot boot boot.img

Guides for installing Windows can be found here

Version 2.25 (C)

This update includes new features. Key changes include:

• ACPI: Fixed duplicated HID
• ACPI: Panel configuration tuning
• ACPI: Preparation for touch bringup

Full Changelog: 2.25b...2.25c

This update is compatible with the following Surface Duo Models:

• Surface Duo America 128GB
• Surface Duo AT&T 128GB
• Surface Duo Europe 128GB
• Surface Duo America 256GB
• Surface Duo AT&T 256GB
• Surface Duo Europe 256GB

This update is compatible with the following installed software on Surface Duo:

• Android 10 (any firmware)
• Android 11 (any firmware)

This update requires an unlocked bootloader (via fastboot flashing unlock) and can be started by using fastboot boot boot.img

Guides for installing Windows can be found here

Version 2.25 (B)

This update includes new features. Key changes include:

• ACPI: Mandatory changes for GPU and panel bring up

Full Changelog: 2.25...2.25b

This update is compatible with the following Surface Duo Models:

• Surface Duo America 128GB
• Surface Duo AT&T 128GB
• Surface Duo Europe 128GB
• Surface Duo America 256GB
• Surface Duo AT&T 256GB
• Surface Duo Europe 256GB

This update is compatible with the following installed software on Surface Duo:

• Android 10 (any firmware)
• Android 11 (any firmware)

This update requires an unlocked bootloader (via fastboot flashing unlock) and can be started by using fastboot boot boot.img

Guides for installing Windows can be found here

Version 2.25

This update includes quality improvements as well as new features. Key changes include:

• ACPI: Fix Bluetooth, Bluetooth now fully works
• ACPI: Add support for SM8150P checks
• MU: Platform Update
• Bump UEFI version to 2.25

Full Changelog: 2.24...2.25

This update is compatible with the following Surface Duo Models:

• Surface Duo America 128GB
• Surface Duo AT&T 128GB
• Surface Duo Europe 128GB
• Surface Duo America 256GB
• Surface Duo AT&T 256GB
• Surface Duo Europe 256GB

This update is compatible with the following installed software on Surface Duo:

• Android 10 (any firmware)
• Android 11 (any firmware)

This update requires an unlocked bootloader (via fastboot flashing unlock) and can be started by using fastboot boot boot.img

Guides for installing Windows can be found here

Version 2.24

This update includes quality improvements as well as new features. Key changes include:

• ACPI: Add Maxim 34417 Power Monitors and Digital Analog DA7280 haptic…
• ACPI: Add UCSI
• ACPI: Disable Touch for now so it boots faster
• ACPI: Enhancements
• ACPI: Only define one UCSI compliant port
• ACPI: Platform update to latest revision
• ACPI: Set default table revision to 8180 for Windows support
• ACPI: Support for more regulators
• ACPI: Update Chip IDs
• ACPI: Update QUP devices
• ACPI: Updates to Video Subsystem
• fix: allow using screen for serial output
• fix: correct framebuffer address in dec
• MemoryMap: Relocate RMFS shared memory region
• PrePi: Cleanup files [skip ci]
• PrePi: Reset everything
• Dxe: Switch to some WP versions of a few drivers
• Dxe: Add patched UsbPwrCtrlDxe
• MU: Submodules: Update MU
• MU: Update MU to release/202202
• MU: Update MU_BASECORE to latest release/202111
• MU: Update submodules
• MU: Basecore: Platform update
• MU: Platform Update
• Bump UEFI version to 2.24

Full Changelog: 2.23...2.24

This update is compatible with the following Surface Duo Models:

• Surface Duo America 128GB
• Surface Duo AT&T 128GB
• Surface Duo Europe 128GB
• Surface Duo America 256GB
• Surface Duo AT&T 256GB
• Surface Duo Europe 256GB

This update is compatible with the following installed software on Surface Duo:

• Android 10 (any firmware)
• Android 11 (any firmware)

This update requires an unlocked bootloader (via fastboot flashing unlock) and can be started by using fastboot boot boot.img

Guides for installing Windows can be found here

Version 2.23

First release.

This update is compatible with the following Surface Duo Models:

• Surface Duo America 128GB
• Surface Duo AT&T 128GB
• Surface Duo Europe 128GB
• Surface Duo America 256GB
• Surface Duo AT&T 256GB
• Surface Duo Europe 256GB

This update is compatible with the following installed software on Surface Duo:

• Android 10 (any firmware)
• Android 11 (any firmware)

This update requires an unlocked bootloader (via fastboot flashing unlock) and can be started by using fastboot boot boot.img

Guides for installing Windows can be found here

Version 0.01

This update includes quality improvements. Key changes include:

• Enabled FrontPage (Surface UEFI UI)
• GPU Memory Hob Support
• Additional support for Windows specific DXEs
• Improved ACPI tables
• Improved reboot support
• Bug fixes to SMBIOS
• WP style Memory Map
• 5.5GB of ram being usable instead of 5GB

This update is compatible with the following Surface Duo Models:

• Surface Duo America 128GB
• Surface Duo AT&T 128GB
• Surface Duo Europe 128GB
• Surface Duo America 256GB
• Surface Duo AT&T 256GB
• Surface Duo Europe 256GB

This update is compatible with the following installed software on Surface Duo:

• Android 10 (any firmware)
• Android 11 (any firmware)

This update requires an unlocked bootloader (via fastboot flashing unlock) and can be started by using fastboot boot boot.img