[Bug 2137257] Re: Add support for Medion SPRCHRGD 14 S1 Laptop - Qualcomm Snapdragon X Elite X1E-78-100 - 32GB RAM

[James Addison]

Following a recent update[1] to the Ubuntu Stubble utility, a freshly-
built Ubuntu Concept[2] ARM64 ISO from 2026-01-19 did detect this device
and allow a graphical splashscreen to appear, albeit not a complete boot
into the graphical/installer UI (the device screen goes blank and then
the laptop restarts[3]).

Today I've tested an ARM64 ISO from Ubuntu Resolute snapshot 4,
released[4] yesterday 2026-02-26.  I'm not sure if that yet includes the
Ubuntu Stubble update -- because with that, unlike the Ubuntu Concept
ISO, no graphical splashscreen appeared after selecting "Try or install
Ubuntu" -- and again the device rebooted after a few moments.

[1] - https://github.com/ubuntu/stubble/pull/49

[2] - https://people.canonical.com/~platform/images/ubuntu-concept/

[3] - https://github.com/ubuntu/stubble/pull/49#issuecomment-3771872724

[4] - https://discourse.ubuntu.com/t/resolute-snapshot-4-released/77687

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https://bugs.launchpad.net/bugs/2137257

Title:
  Add support for Medion SPRCHRGD 14 S1 Laptop - Qualcomm Snapdragon X
  Elite X1E-78-100 - 32GB RAM

Status in ubuntu-concept:
  New

Bug description:
  I'm still in the situation where only `Try or Install Lenovo Ideapad
  Slim 5x` works but the actual device `Medion SPRCHRGD 14 S1` does not
  work. Note, this is the `Qualcomm Snapdragon X Elite X1E-78-100` not
  the plus version.

  I've had to add a statement in Grub to select a different device tree
  for it to boot. My `/boot/grub/grub.cfg` contains the first version
  because that seems to work whilst the second one causes it to reboot:

  ```
  devicetree /dtbs/x1p42100-lenovo-ideapad-slim5x.dtb
  ```

  
  This does NOT work:

  ```
  devicetree /dtbs/x1e80100-medion-sprchrgd-14-s1.dtb
  ```

  I've attached the `.dtb` that does not work that should work.

  ## System Information

  ```
  mbana at mbana-14-S1-Elite:~$ uname -r
  6.18.0-9-qcom-x1e
  mbana at mbana-14-S1-Elite:~$ cat /etc/os-release
  PRETTY_NAME="Ubuntu 25.10"
  NAME="Ubuntu"
  VERSION_ID="25.10"
  VERSION="25.10 (Questing Quokka)"
  VERSION_CODENAME=questing
  ID=ubuntu
  ID_LIKE=debian
  HOME_URL="https://www.ubuntu.com/"
  SUPPORT_URL="https://help.ubuntu.com/"
  BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/"
  PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy"
  UBUNTU_CODENAME=questing
  LOGO=ubuntu-logo
  ```

  ## Working

  Whilst using the incorrect device tree `x1p42100-lenovo-ideapad-
  slim5x.dtb`, the following work:

  ## References

  The only reference I could find to the device tree `x1e80100-medion-
  sprchrgd-14-s1.dtb` is in https://lists.openwall.net/linux-
  kernel/2025/12/04/1015.

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