Developer Twin-Boot Home windows 11 on Microsoft Floor Duo

A lot of you almost certainly dual-boot your PC – whether or not it is with Home windows to run a Linux distribution or as a result of you’ve gotten a Mac and need to play some video games thru Home windows. On conventional x86 computer systems, the method has turn into fairly easy through the years. On Android, then again, the tale is other.

Fashionable x86 platforms in most cases supply a actually OS-independent boot answer within the type of Unified Extensible Firmware Interface (UEFI), which replaces the legacy Fundamental Enter/Output Gadget (BIOS). That is why you’ll merely take a bootable set up media and boot from it in your PC to put in a brand new OS. On the other hand, with regards to the Android ecosystem, boot answers (UBoot, Little Kernel, and so on.) are tied to the OS. Because of this, there’s no one-click answer for multi-booting and you’ll have to hack low-level bootloader stuff so as to boot a non-Android OS like Home windows on an Android system.

Fortunate for us, there are extraordinarily gifted people who find themselves operating tirelessly to make discovery more straightforward. The primary-generation Microsoft Floor Duo is the most recent hurdle cleared by means of the modding neighborhood, as you’ll now set up Home windows 11 along with the factory-installed Android OS in this foldable.

Set up Home windows 11 on Microsoft Floor Duo

Gustav Mons, aka XDA Senior Member gus33000 is the lead developer at the back of this spectacular feat. Mons, who has a long-standing recognition for booting Home windows on different incompatible gadgets, gave us our first glimpse of booting Home windows at the OG Floor Duo in February. Due to their bold prowess and open supply building, any person can now boot Home windows on Microsoft’s first Android-powered foldable smartphone.

Take into account that the stairs described under are supposed for each unlocked and AT&T fashions of the Floor Duo. The Qualcomm Snapdragon 888-powered Floor Duo 2 isn’t appropriate with this mod in any respect.

Caution: Prior to we dual-boot Home windows 11 on Microsoft Floor Duo, consider to take an off-device backup. It is because the method Calls for wiping all knowledge in your telephone, together with recordsdata on inside garage, you’ll do it Brick your system completelySo do that provided that you understand what you might be doing.

Step 1 – Obtain Home windows 11

The Microsoft Floor Duo makes use of an ARM64 processor, so we had to get our palms at the ARM64 model of the Home windows 11 installer. Sadly, Microsoft does now not be offering an legitimate ARM64 ISO, whilst the legitimate VHDX liberate for Insider Preview customers isn’t appropriate for set up on a bodily system.

Do not fret, despite the fact that, as we will use third-party gear to obtain Microsoft’s Unified Replace Platform recordsdata and get ready the ARM64 installer ourselves. The UUP Sell off Challenge supplies complete sources for purchasing began with this area. However, use Monce’s cross-platform UUP Media Author instrument to create the ISO.

Step 2 – Unencumber and Partition the Floor Duo’s Bootloader

  1. On Floor Duo, cross right here Adjustment , About this=> click on on construct quantity Except developer choices are enabled.
  2. return and make a selection Gadget , Developer Choices, Subsequent, permit the OEM Unlocking toggle.
  3. Boot into the bootloader interface.
    • You’ll be able to do that by means of booting into restoration mode after which settling on reboot bootloader Possibility.
    • If USB debugging is on, execute the next command in your PC whilst the Floor Duo is attached to pressure it in addition into bootloader mode:
      adb reboot bootloader
  4. Now that the system is in its bootloader mode, use the next fastboot command to free up the bootloader:
    fastboot flashing free up

    observe that This step will manufacturing unit reset the system,

The bootloader is now unlocked, which means that we will manually trade the partition structure of the system and make room for the Home windows example. The developer has compiled a semi-working TWRP symbol for Duo so we will run it parted Binary from TWRP’s inside shell to change the partition. Click on at the hyperlink under to view essentially the most up-to-date partitioning information.

Growing Required Walls on Floor Duo

Significantly, the preliminary model of the information best objectives 128GB gadgets. You’ll have to calculate the partition dimension values ​​your self for the 256GB model.

Step 3 – Boot to Customized UEFI

If the entirety is going appropriately right through partitioning, you’ll now boot to a specifically crafted customized UEFI symbol (referred to internally as “SurfaceDuoPkg”) that can assist you boot Home windows. does.

  1. Obtain the precompiled boot.img from the Newest Releases segment of the mission’s Github repo.
  2. Boot the UEFI symbol:
    fastboot boot boot.img
    This step will likely be wanted each and every time you wish to have in addition Home windows.
  3. You must see the Developer menu. In Mass Garage Mode navigate with Quantity Up/Down buttons, and press the Energy button to verify that.

Step 4 – Set up Home windows and Drivers

Mass Garage Mode exposes the inner walls of the Floor Duo’s inside flash garage to the host PC’s OS, so we will simply mount them and get ready them for Home windows set up the use of the Disk Control console.

Be certain that the objective Floor Duo system is in mass garage mode and that you’ve got already ready the Home windows 11 ISO. Subsequent, click on the hyperlink under to peer essentially the most up-to-date information from the developer on the right way to deploy a Home windows symbol and later set up drivers the use of the Deployment Symbol Servicing and Control (DISM) instrument.

Imposing Home windows Symbol The usage of DISM || Putting in Drivers The usage of DISM

Step 5 – Boot Home windows on Floor Duo

At this level, Home windows 11 has been effectively put in at the Floor Duo, however the default boot trail all the time ends up in the Android OS. If you wish to get started Home windows, boot into bootloader mode, get started customized UEFI (from step 3), and Home windows must get started loading Android as an alternative.

In line with Gustav, the present set of drivers is best mature sufficient to maintain CPU frequency, facet button and sleep/wake occasions (relying on folding state). The whole thing else isn’t operating together with the contact interface. The customized UEFI symbol, then again, is succesful sufficient in addition mainline Linux after important changes.


Twin-booting is sensible on a pc, however does it cling on a telephone just like the Microsoft Floor Duo? No longer for traditional consumer. Even skilled customers can name this the solution with out query, and it comes with a couple of truthful annoyances as neatly. However for us at XDA, the additional freedom and selection signifies that, if used correctly, twin booting is usually a energy consumer’s holy grail.

Supply: Gustave Monse on Twitter

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