diff --git a/v2/devices/algiz.yml b/v2/devices/algiz.yml
index 785d2f26..e00a04d8 100644
--- a/v2/devices/algiz.yml
+++ b/v2/devices/algiz.yml
@@ -13,6 +13,10 @@ user_actions:
     description: 'With the device powered off, hold Volume Up + Power. You might be prompted to select a mode to boot into. If that happens, follow the on-screen instructions and select "Fastboot" mode.'
     image: "phone_power_up"
     button: true
+  boot:
+    title: "Reboot the device"
+    description: "Hold down the power button until the device powers down. Then, release it briefly and hold it down again until the device boots."
+    button: true
 unlock: []
 handlers:
   bootloader_locked:
@@ -177,3 +181,106 @@ operating_systems:
           - core:user_action:
               action: "recovery"
     slideshow: []
+  - name: "Volla OS"
+    compatible_installer: ">=0.9.2-beta"
+    prerequisites: []
+    steps:
+      - actions:
+          - core:download:
+              group: "firmware"
+              files:
+                - url: "https://volla.tech/filedump/vollaos/volla-14.0-20241124-stable-SPFLASH-algiz.zip"
+                  checksum:
+                    sum: "845c09802537cb0c578b964e242346787091949fb2d3ebcb76e48a1b549e0273"
+                    algorithm: "sha256"
+      - actions:
+          - core:unpack:
+              group: "firmware"
+              files:
+                - archive: "volla-14.0-20241124-stable-SPFLASH-algiz.zip"
+                  dir: "unpacked"
+      - actions:
+          - adb:reboot:
+              to_state: "bootloader"
+        fallback:
+          - core:user_action:
+              action: "bootloader"
+      - actions:
+          - fastboot:flash:
+              partitions:
+                - partition: "boot"
+                  file: "unpacked/boot.img"
+                  group: "firmware"
+                - partition: "cam_vpu1"
+                  file: "unpacked/cam_vpu1.img"
+                  group: "firmware"
+                - partition: "cam_vpu2"
+                  file: "unpacked/cam_vpu2.img"
+                  group: "firmware"
+                - partition: "cam_vpu3"
+                  file: "unpacked/cam_vpu3.img"
+                  group: "firmware"
+                - partition: "dpm"
+                  file: "unpacked/dpm.img"
+                  group: "firmware"
+                - partition: "dtbo"
+                  file: "unpacked/dtbo.img"
+                  group: "firmware"
+                - partition: "gz"
+                  file: "unpacked/gz.img"
+                  group: "firmware"
+                - partition: "lk"
+                  file: "unpacked/lk.img"
+                  group: "firmware"
+                - partition: "logo"
+                  file: "unpacked/logo.bin"
+                  group: "firmware"
+                - partition: "mcupm"
+                  file: "unpacked/mcupm.img"
+                  group: "firmware"
+                - partition: "md1img"
+                  file: "unpacked/md1img.img"
+                  group: "firmware"
+                - partition: "pi_img"
+                  file: "unpacked/pi_img.img"
+                  group: "firmware"
+                - partition: "preloader"
+                  file: "unpacked/preloader_k6877v1_64_k419.bin"
+                  group: "firmware"
+                - partition: "scp"
+                  file: "unpacked/scp.img"
+                  group: "firmware"
+                - partition: "spmfw"
+                  file: "unpacked/spmfw.img"
+                  group: "firmware"
+                - partition: "sspm"
+                  file: "unpacked/sspm.img"
+                  group: "firmware"
+                - partition: "super"
+                  file: "unpacked/super.img"
+                  group: "firmware"
+                - partition: "tee"
+                  file: "unpacked/tee.img"
+                  group: "firmware"
+                - partition: "vbmeta"
+                  file: "unpacked/vbmeta.img"
+                  group: "firmware"
+                - partition: "vbmeta_system"
+                  file: "unpacked/vbmeta_system.img"
+                  group: "firmware"
+                - partition: "vbmeta_vendor"
+                  file: "unpacked/vbmeta_vendor.img"
+                  group: "firmware"
+      - actions:
+          - fastboot:erase:
+              partition: "userdata"
+      - actions:
+          - fastboot:reboot:
+        fallback:
+          - core:user_action:
+              action: "boot"
+    slideshow: []
+    eula:
+      title: "EULA"
+      description: "THE TERMS OF USE OF THE VOLLA OS ONLY ALLOW AN INSTALLATION ON A CLEARLY BRANDED VOLLA PHONE 22. To proceed with the installation you have to confirm that you have read and understood the End User License Agreement (EULA) of Hallo Welt Systeme UG (haftungsbeschränkt) for the Volla OS and agree to it."
+      link: "https://volla.online/en/eula/index.html"