diff --git a/docs/dragon/q8b/other-system/debian.md b/docs/dragon/q8b/other-system/debian.md
new file mode 100644
index 000000000..037405694
--- /dev/null
+++ b/docs/dragon/q8b/other-system/debian.md
@@ -0,0 +1,178 @@
+---
+sidebar_position: 4
+doc_kind: page
+---
+
+# 安装 Debian 14
+
+本文介绍如何制作启动 U 盘,并在 Radxa Dragon Q8B 上将 Debian 14 安装到 microSD 卡。
+
+:::caution
+安装过程会清除所选目标存储设备上的全部数据。请提前备份重要文件,并仔细确认目标磁盘。
+:::
+
+## 下载系统镜像
+
+从 Debian 官网下载 ARM64 版本的 [Debian 14](https://cdimage.debian.org/cdimage/weekly-builds/arm64/iso-dvd/debian-testing-arm64-DVD-1.iso) 系统镜像。
+
+## 制作启动 U 盘
+
+使用 [balenaEtcher](https://etcher.balena.io/) 将下载的系统镜像烧录到 U 盘。工具的安装和使用方法请参考 [Etcher 使用](https://docs.radxa.com/common/radxa-os/install-system/balena-etcher) 教程。
+
+## 修改 BIOS 设置
+
+将启动 U 盘和 microSD 卡安装到主板上,然后接通电源。
+
+### 进入 UEFI 设置主界面
+
+开机时按 `F2` 进入 UEFI 设置,选中 `Radxa Platform Configuration`,按 `Enter` 进入。
+
+
+
+### 进入平台配置菜单
+
+在 `Configuration Options` 列表中选中 `Third-party OS Compatibility Settings`,按 `Enter` 进入。
+
+
+
+### 启用第三方系统兼容选项
+
+将所有第三方系统兼容选项保持为 ``,完成设置后按 `Esc` 退出并保存。
+
+
+
+## 安装 Debian 系统
+
+### 文本安装:Install
+
+从安装 U 盘启动后,在 GRUB 菜单中选择 `Install`,按 `Enter` 进入文本模式安装程序。
+
+
+
+### 图形安装:Graphical install
+
+也可选择 `Graphical install`,以图形界面进行安装。本教程后续步骤以图形安装为例,两种模式的安装流程相同。
+
+
+
+### 选择安装语言
+
+在 `Select a language` 列表中选择 `English`,点击 `Continue`。该语言也会成为已安装系统的默认语言。
+
+
+
+### 选择所在位置
+
+在亚洲列表中选择 `China`,点击 `Continue`。该设置用于确定时区与系统区域。
+
+
+
+### 选择默认区域
+
+选择 `United States - en_US.UTF-8` 作为英语区域设置,点击 `Continue`。该选项决定字符编码、日期和货币格式。
+
+
+
+### 选择键盘布局
+
+选择 `American English`,点击 `Continue`。
+
+
+
+### 检测网络硬件
+
+如果安装程序未自动识别网络设备,保持默认的 `no ethernet card`,点击 `Continue`。
+
+
+
+### 跳过网络配置
+
+出现 `No network interfaces were detected` 时,点击 `Continue` 跳过。安装可离线完成,网络可在系统安装后配置。
+
+
+
+### 设置主机名
+
+填写主机名,例如 `Radxa-SBC`,点击 `Continue`。同一局域网内的主机名不要重复。
+
+
+
+### 设置 root 密码
+
+输入 root 密码并再次确认。如果不希望启用 root 直接登录,可以将两项留空,使用下一步创建的普通用户通过 `sudo` 提权。
+
+
+
+### 设置新用户全名
+
+填写用户全名,例如 `Radxa`,点击 `Continue`。
+
+
+
+### 设置新用户密码
+
+输入用户密码并再次确认,点击 `Continue`。
+
+
+
+### 选择分区方式
+
+保持 `Guided - use entire disk`,点击 `Continue`。只有在需要 LVM、加密或自定义分区时才选择其他选项。
+
+
+
+### 选择目标磁盘
+
+选择目标磁盘 `MMC/SD card #1 (mmcblk0) - 62.2 GB`,点击 `Continue`。所选磁盘上的全部数据都会被清除。
+
+
+
+### 选择分区方案
+
+保持 `All files in one partition (recommended for new users)`,点击 `Continue`。
+
+
+
+### 检查分区概览
+
+确认自动生成的 ESP、ext4 根分区和 swap 分区。选择 `Finish partitioning and write changes to disk`,点击 `Continue`。
+
+
+
+### 确认写入磁盘
+
+选择 `Yes`,点击 `Continue` 开始创建分区并安装系统。
+
+
+
+### 配置网络镜像
+
+本教程使用安装介质离线安装,因此在 `Use a network mirror?` 页面选择 `No`,点击 `Continue`。
+
+
+
+### 选择是否参与软件包使用调查
+
+保持默认的 `No`,点击 `Continue`。安装后可通过 `dpkg-reconfigure popularity-contest` 修改该设置。
+
+
+
+### 选择软件
+
+保持勾选 `Debian desktop environment`、`GNOME`、`SSH server` 和 `standard system utilities`。完成选择后点击 `Continue`。
+
+
+
+### 完成安装
+
+安装完成后,先拔出安装 U 盘,再点击 `Continue` 重启;否则设备可能再次从 U 盘进入安装程序。
+
+
+
+## 使用 Debian 系统
+
+### 进入 GNOME 桌面
+
+重启后从 microSD 卡启动。进入 GNOME 桌面后,可通过底部 Dock 打开 Firefox、Files、LibreOffice 等应用。
+
+
diff --git a/docs/dragon/q8b/other-system/fedora.md b/docs/dragon/q8b/other-system/fedora.md
new file mode 100644
index 000000000..6ac5411ed
--- /dev/null
+++ b/docs/dragon/q8b/other-system/fedora.md
@@ -0,0 +1,160 @@
+---
+sidebar_position: 5
+doc_kind: page
+---
+
+# 安装 Fedora 44
+
+本文介绍如何制作启动 U 盘,并在 Radxa Dragon Q8B 上将 Fedora 44 Workstation 安装到 microSD 卡。
+
+:::caution
+安装过程会清除所选目标存储设备上的全部数据。请提前备份重要文件,并仔细确认目标磁盘。
+:::
+
+## 下载系统镜像
+
+从 Fedora 官网下载 ARM64 版本的 [Fedora 44 Workstation](https://download.fedoraproject.org/pub/fedora/linux/releases/44/Workstation/aarch64/iso/Fedora-Workstation-Live-44-1.7.aarch64.iso) 系统镜像。
+
+## 制作启动 U 盘
+
+使用 [balenaEtcher](https://etcher.balena.io/) 将下载的系统镜像烧录到 U 盘。工具的安装和使用方法请参考 [Etcher 使用](https://docs.radxa.com/common/radxa-os/install-system/balena-etcher) 教程。
+
+## 修改 BIOS 设置
+
+将启动 U 盘和 microSD 卡安装到主板上,然后接通电源。
+
+### 进入 UEFI 设置主界面
+
+开机时按 `F2` 进入 UEFI 设置,选中 `Radxa Platform Configuration`,按 `Enter` 进入。
+
+
+
+### 进入平台配置菜单
+
+在 `Configuration Options` 列表中选中 `Third-party OS Compatibility Settings`,按 `Enter` 进入。
+
+
+
+### 启用第三方系统兼容选项
+
+将所有第三方系统兼容选项保持为 ``。启用 `Ignore unused power domains (PD) for Linux` 后,固件会向 Linux 启动参数追加 `pd_ignore_unused`。完成设置后按 `Esc` 退出并保存。
+
+
+
+## 安装 Fedora 系统
+
+### 启动 Fedora Live 系统
+
+从安装 U 盘启动后,在 GRUB 菜单中选择 `Start Fedora-Workstation-Live`,按 `Enter`。如需先检查安装介质完整性,可选择 `Test this media & start Fedora-Workstation-Live`。
+
+
+
+### 启动安装程序
+
+Live 桌面加载完成后,在 `Welcome to Fedora Linux` 窗口中点击 `Install Fedora Linux...`。
+
+
+
+### 选择语言和键盘布局
+
+确认语言为 `English (United States)`、键盘布局为 `us`,点击 `Next`。如需更改,可点击 `Change system keyboard layout`。
+
+
+
+### 选择目标磁盘和安装方式
+
+确认目标磁盘为 `mmcblk0`,选择 `Use entire disk`,点击 `Next`。此选项会移除目标磁盘上的现有分区和系统。
+
+
+
+### 配置磁盘加密
+
+保持 `Encrypt my data` 不勾选,点击 `Next`。只有需要 LUKS 磁盘加密时才启用该选项。
+
+
+
+### 确认并开始安装
+
+核对系统、语言、安装方式和分区信息,勾选 `I understand that all existing data will be erased`,点击 `Erase data and install`。
+
+
+
+### 创建文件系统
+
+安装程序正在创建 btrfs 文件系统,无需操作。请勿断电或拔出安装介质。
+
+
+
+### 安装软件包
+
+安装程序正在写入软件包,无需操作。
+
+
+
+### 配置系统
+
+安装程序正在安装引导加载器,无需操作。
+
+
+
+### 完成安装配置
+
+安装程序正在生成 initramfs。等待所有阶段完成。
+
+
+
+### 退出安装程序
+
+出现 `Successfully installed` 后,点击 `Exit to live desktop`,随后重启系统。
+
+
+
+## 使用 Fedora 系统
+
+### 开始首次启动设置
+
+重启过程中拔出安装 U 盘,使设备从 microSD 卡启动。进入首次设置向导后,点击 `Start Setup`。
+
+
+
+### 配置隐私选项
+
+按需设置 `Location Services` 和 `Automatic Problem Reporting`,点击 `Next`。这些选项可在系统设置中再次修改。
+
+
+
+### 选择时区
+
+确认时区为 `CST (UTC+08) / Shanghai`;如需修改,可在 `Search cities` 中搜索其他城市。点击 `Next`。
+
+
+
+### 配置第三方软件源
+
+如需常用应用和部分专有驱动,可点击 `Enable Third-Party Repositories`,随后点击 `Next`;也可以不启用并直接继续。
+
+
+
+### 设置用户信息
+
+填写 `Full Name` 和 `Username`。用户名将用于命名用户主目录,确认后点击 `Next`。
+
+
+
+### 设置账户密码
+
+输入密码并再次确认。如果出现 `This is a weak password`,建议改用更强的密码。点击 `Next`。
+
+
+
+### 完成首次设置
+
+显示 `All done!` 后,点击 `Start Using Fedora Linux`。
+
+
+
+### 进入 GNOME 桌面
+
+进入 Fedora 44 Workstation 桌面后,可通过底部 Dock 打开 Firefox、Files 等应用。
+
+
diff --git a/docs/dragon/q8b/other-system/ubuntu.md b/docs/dragon/q8b/other-system/ubuntu.md
new file mode 100644
index 000000000..b4838f649
--- /dev/null
+++ b/docs/dragon/q8b/other-system/ubuntu.md
@@ -0,0 +1,176 @@
+---
+sidebar_position: 3
+doc_kind: page
+---
+
+# 安装 Ubuntu 26.04
+
+本文介绍如何制作启动 U 盘,并在 Radxa Dragon Q8B 上将 Ubuntu 26.04 安装到 microSD 卡。
+
+:::caution
+安装过程会清除所选目标存储设备上的全部数据。请提前备份重要文件,并仔细确认目标磁盘。
+:::
+
+## 下载系统镜像
+
+从 Ubuntu 官网下载 ARM64 版本的 [Ubuntu 26.04](https://cdimage.ubuntu.com/ubuntu/releases/resolute/release/ubuntu-26.04-desktop-arm64.iso) 系统镜像。
+
+## 制作启动 U 盘
+
+使用 [balenaEtcher](https://etcher.balena.io/) 将下载的系统镜像烧录到 U 盘。工具的安装和使用方法请参考 [Etcher 使用](https://docs.radxa.com/common/radxa-os/install-system/balena-etcher) 教程。
+
+## 修改 BIOS 设置
+
+将启动 U 盘和 microSD 卡安装到主板上,然后接通电源。
+
+### 进入 UEFI 设置主界面
+
+开机时按 `F2` 进入 UEFI 设置。确认光标停在 `Radxa Platform Configuration` 上,按 `Enter` 进入;使用 `↑` 和 `↓` 移动光标。
+
+
+
+### 进入平台配置菜单
+
+在 `Configuration Options` 列表中选中 `Third-party OS Compatibility Settings`,按 `Enter` 进入。
+
+
+
+### 启用第三方系统兼容选项
+
+将 `Third-party OS Compatibility Settings` 中的所有兼容选项保持为 ``。其中,启用 `Ignore unused power domains (PD) for Linux` 后,固件会向 Linux 启动参数追加 `pd_ignore_unused`。完成设置后按 `Esc` 退出并保存。
+
+
+
+## 安装 Ubuntu 系统
+
+### 启动 Ubuntu 安装程序
+
+从安装 U 盘启动后,在 GRUB 菜单中选择 `Try or Install Ubuntu`,按 `Enter` 进入安装程序。
+
+
+
+### 选择安装语言
+
+在语言列表中选择 `English`,点击 `Next`。
+
+
+
+### 配置辅助功能
+
+按需调整视觉、听觉、键盘、指针或缩放等辅助选项;无特殊需求时直接点击 `Next`。
+
+
+
+### 选择键盘布局
+
+保持默认的 `English (US)` 布局,也可以在下方输入框中测试按键。确认后点击 `Next`。
+
+
+
+### 配置网络连接
+
+如果安装程序未检测到网络设备,选择 `Do not connect to the internet`,点击 `Next`。安装可离线完成。
+
+
+
+### 选择安装 Ubuntu
+
+在 `What do you want to do with Ubuntu?` 页面选择 `Install Ubuntu`,点击 `Next`。只有在需要先试用系统时才选择 `Try Ubuntu`。
+
+
+
+### 选择交互式安装
+
+保持默认的 `Interactive installation`,点击 `Next`。
+
+
+
+### 选择应用程序
+
+保持 `Default selection` 可安装浏览器与基础工具;如需 LibreOffice 等办公套件,可选择 `Extended selection`。完成后点击 `Next`。
+
+
+
+### 选择是否安装专有软件
+
+按需选择是否安装推荐的第三方驱动与额外媒体格式,然后点击 `Next`。不勾选也不会影响系统正常启动。
+
+
+
+### 选择安装方式
+
+根据是否需要自定义分区,在以下两种安装方式之间切换查看对应步骤。
+
+
+
+
+
+选择 `Manual installation`,点击 `Next`。
+
+
+
+确认分区布局:FAT32 分区挂载到 `/boot/efi`,ext4 分区挂载到 `/`。安装 U 盘通常显示为 `sda`,不要格式化。`Device for boot loader installation` 必须选择目标磁盘 `mmcblk0`。确认后点击 `Next`。
+
+
+
+
+
+
+
+选择 `Erase disk and install Ubuntu`,确认目标磁盘为 `mmcblk0`,点击 `Next`。此方式会清除整块目标磁盘并自动创建所需分区。
+
+
+
+
+
+
+
+### 配置磁盘加密
+
+保持默认的 `No encryption`,点击 `Next`。只有需要开机输入口令解锁磁盘时才选择 `Encrypt with a passphrase`。
+
+
+
+### 创建用户账户
+
+填写姓名、用户名和密码,保持勾选 `Require my password to log in`。如出现 `Weak password`,建议改用更强的密码,然后点击 `Next`。
+
+
+
+### 选择时区
+
+确认 `Location` 为 `Shanghai`、`Timezone` 为 `Asia/Shanghai`;也可以在地图上选择或输入其他城市。点击 `Next`。
+
+
+
+### 确认并开始安装
+
+核对安装方式、目标磁盘、应用程序、加密与分区信息。确认无误后点击 `Install`。开始安装后,不要断电或拔出安装介质。
+
+
+
+### 等待复制文件
+
+安装程序会在后台复制文件。等待进度完成,不需要执行其他操作。
+
+
+
+### 等待系统安装完成
+
+底部显示 `Installing the system…` 时,安装仍在进行。请耐心等待。
+
+
+
+### 重启系统
+
+出现 `Ubuntu 26.04.1 LTS is installed and ready to use` 后,点击 `Restart now`。重启过程中拔出安装 U 盘,使设备从 microSD 卡启动。
+
+
+
+## 使用 Ubuntu 系统
+
+### 进入 Ubuntu 桌面
+
+首次启动完成后进入 GNOME 桌面,可通过左侧 Dock 打开 Firefox、Files 等应用。
+
+
diff --git a/i18n/en/docusaurus-plugin-content-docs/current/dragon/q8b/other-system/debian.md b/i18n/en/docusaurus-plugin-content-docs/current/dragon/q8b/other-system/debian.md
new file mode 100644
index 000000000..6d4683c1f
--- /dev/null
+++ b/i18n/en/docusaurus-plugin-content-docs/current/dragon/q8b/other-system/debian.md
@@ -0,0 +1,178 @@
+---
+sidebar_position: 4
+doc_kind: page
+---
+
+# Install Debian 14
+
+This guide explains how to create a bootable USB drive and install Debian 14 to a microSD card on the Radxa Dragon Q8B, from BIOS setup through the installer and the first boot into the desktop.
+
+:::caution
+The installation process erases all data on the selected target storage device. Back up any important files in advance, and double-check the target disk.
+:::
+
+## Download the System Image
+
+Download the ARM64 build of [Debian 14](https://cdimage.debian.org/cdimage/weekly-builds/arm64/iso-dvd/debian-testing-arm64-DVD-1.iso) from the official Debian website.
+
+## Burn the Bootable USB Drive
+
+Use [balenaEtcher](https://etcher.balena.io/) to write the downloaded system image to a USB drive. For installation and usage instructions, see [Etcher Usage](https://docs.radxa.com/common/radxa-os/install-system/balena-etcher).
+
+## Modify BIOS Settings
+
+Install the bootable USB drive and the microSD card on the board, then connect the power adapter.
+
+### Enter the UEFI Setup Main Screen
+
+Power on and press `F2` to enter the UEFI setup, and confirm that the firmware version, SoC, and memory are detected correctly. With the cursor on `Radxa Platform Configuration`, press `Enter` to continue.
+
+
+
+### Enter Radxa Platform Configuration
+
+In the Configuration Options list, select `Third-party OS Compatibility Settings` and press `Enter`.
+
+
+
+### Set All Third-Party OS Compatibility Options to Enabled
+
+Keep every compatibility switch (`simple-bridge` / `gpio-shared` / PCIe port node parsing / PCIe BAR windows / efivars / QPS615 / PD, and so on) set to ``, and do not turn them off before the third-party system is installed. Press `Esc` to exit and save.
+
+
+
+## Install Debian
+
+### Text Mode: Install
+
+After booting from the USB drive, the GRUB menu appears with `Install` highlighted by default; press `Enter` to start the text-mode installer.
+
+
+
+### Graphical Mode: Graphical install
+
+You can also use `↑↓` to select `Graphical install` and press `Enter` for a graphical installer. The steps below use the graphical installer; both modes follow the same flow.
+
+
+
+### Select the Installation Language
+
+In the `Select a language` list, select `English` and click `Continue`. The language you choose also becomes the default language of the installed system.
+
+
+
+### Select Your Location
+
+In the Asia list, select `China` and click `Continue`. This setting determines the time zone and system locale.
+
+
+
+### Select the Default Locale
+
+Because the "English + China" combination has no ready-made locale, you must choose a base country for English here: select `United States - en_US.UTF-8` and click `Continue`. This option determines the character encoding and the date and currency formats.
+
+
+
+### Select the Keyboard Layout
+
+In `Keymap to use`, select `American English` and click `Continue`.
+
+
+
+### Detect Network Hardware
+
+No wired network card was detected automatically. Keep the default `no ethernet card` (do not specify a driver manually) and click `Continue`.
+
+
+
+### Network Configuration: No Network Interface Detected
+
+The installer reports `No network interfaces were detected`. Click `Continue` to skip this step; the installation can be completed offline, and the network can be configured after the system is installed.
+
+
+
+### Set the Hostname
+
+Enter a hostname in the `Hostname` box; this tutorial uses `Radxa-SBC`, then click `Continue`. Hostnames must be unique within the same local network.
+
+
+
+### Set the Root Password
+
+Enter the `Root password` and type it again to confirm. If you do not want to allow direct root login, leave both fields empty and rely on the regular user created in the next step to elevate privileges via `sudo`.
+
+
+
+### Set the New User's Full Name
+
+Enter the user's full name in the `Full name for the new user` box (this tutorial uses `Radxa`) and click `Continue`.
+
+
+
+### Set the New User's Password
+
+Enter the new user's password and type it again to confirm (you can check `Show Password in Clear` to verify the input), then click `Continue`.
+
+
+
+### Choose the Partitioning Method
+
+In `Partitioning method`, keep `Guided - use entire disk` and click `Continue`. Choose LVM, encrypted LVM, or manual partitioning only when you actually need them.
+
+
+
+### Select the Disk to Partition
+
+Select the target disk `MMC/SD card #1 (mmcblk0) - 62.2 GB` (the microSD card) and click `Continue`. Note the warning: all data on the selected disk will be erased.
+
+
+
+### Choose the Partitioning Scheme
+
+Keep `All files in one partition (recommended for new users)` and click `Continue`.
+
+
+
+### Partitioning Overview
+
+Confirm the automatic layout: an ESP (`/boot/efi`, 1.0 GB), an ext4 root partition (`/`, 58.0 GB), and swap (3.2 GB). Select `Finish partitioning and write changes to disk`, then click `Continue`.
+
+
+
+### Confirm Writing the Partition Table
+
+One final confirmation: the ESP, ext4, and swap partitions will be created and written to the disk. Select `Yes` and click `Continue` to begin formatting and installation.
+
+
+
+### Configure the Package Manager (Network Mirror)
+
+When asked `Use a network mirror?`, keep `No` and click `Continue`. This tutorial installs offline from the DVD medium, which is faster and does not depend on a network mirror.
+
+
+
+### Participate in the Package Usage Survey?
+
+Keep the default `No` for `Participate in the package usage survey?` (you can change this later with `dpkg-reconfigure popularity-contest`) and click `Continue`.
+
+
+
+### Software Selection
+
+Keep `Debian desktop environment` + `GNOME`, `SSH server`, and `standard system utilities` selected; do not add other desktop environments, and do not select `web server`. Click `Continue`.
+
+
+
+### Finish the Installation
+
+After the installation completes, **unplug the installation USB drive first**, then click `Continue` to reboot; otherwise the system will boot back into the installer from the USB drive.
+
+
+
+## Using Debian
+
+### First Boot: The GNOME Desktop
+
+During the reboot, unplug the installation USB drive so the system boots from the microSD card. Once the GNOME desktop appears, you can launch Firefox, Files, LibreOffice, and other applications from the Dock at the bottom, and click the grid icon to view all applications.
+
+
diff --git a/i18n/en/docusaurus-plugin-content-docs/current/dragon/q8b/other-system/fedora.md b/i18n/en/docusaurus-plugin-content-docs/current/dragon/q8b/other-system/fedora.md
new file mode 100644
index 000000000..9a040ac45
--- /dev/null
+++ b/i18n/en/docusaurus-plugin-content-docs/current/dragon/q8b/other-system/fedora.md
@@ -0,0 +1,160 @@
+---
+sidebar_position: 5
+doc_kind: page
+---
+
+# Install Fedora 44
+
+This guide explains how to create a bootable USB drive and install Fedora 44 Workstation to a microSD card on the Radxa Dragon Q8B, from BIOS setup and the live installer through the first-boot setup wizard and the desktop.
+
+:::caution
+The installation process erases all data on the selected target storage device. Back up any important files in advance, and double-check the target disk.
+:::
+
+## Download the System Image
+
+Download the ARM64 build of [Fedora 44 Workstation](https://download.fedoraproject.org/pub/fedora/linux/releases/44/Workstation/aarch64/iso/Fedora-Workstation-Live-44-1.7.aarch64.iso) from the official Fedora website.
+
+## Burn the Bootable USB Drive
+
+Use [balenaEtcher](https://etcher.balena.io/) to write the downloaded system image to a USB drive. For installation and usage instructions, see [Etcher Usage](https://docs.radxa.com/common/radxa-os/install-system/balena-etcher).
+
+## Modify BIOS Settings
+
+Install the bootable USB drive and the microSD card on the board, then connect the power adapter.
+
+### Enter the UEFI Setup Main Screen
+
+Power on and press `F2` to enter the UEFI setup, and confirm that the firmware and memory are detected correctly. With the cursor on `Radxa Platform Configuration`, press `Enter` to continue.
+
+
+
+### Enter Radxa Platform Configuration
+
+In the Configuration Options list, select `Third-party OS Compatibility Settings` and press `Enter`.
+
+
+
+### Set All Third-Party OS Compatibility Options to Enabled
+
+Keep every compatibility switch set to `` (including `Ignore unused power domains (PD) for Linux`, which appends `pd_ignore_unused` to the kernel parameters), then press `Esc` to exit and save.
+
+
+
+## Install Fedora
+
+### GRUB Menu: Start Fedora-Workstation-Live
+
+Select `Start Fedora-Workstation-Live` and press `Enter` to boot. If you want to verify the integrity of the installation medium first, choose `Test this media & start Fedora-Workstation-Live`; if booting fails, choose `Troubleshooting -->`.
+
+
+
+### Welcome Window: Start the Installer
+
+Once the live desktop is ready, the `Welcome to Fedora Linux` window appears; click `Install Fedora Linux...` to start the installation wizard (`Not Now` keeps you on the live desktop).
+
+
+
+### Installer: Language and Keyboard
+
+On the Welcome page, confirm the language `English (United States)` and the keyboard `us` (click `Change system keyboard layout` to change them), then click `Next`.
+
+
+
+### Choose the Target Disk and Installation Method
+
+Confirm that the target disk is `(mmcblk0) 62.2 GB`. This is a single-system installation, so select `Use entire disk` (this removes the existing partitions on the disk, including any previous system) and click `Next`.
+
+
+
+### Storage Configuration: Encryption
+
+On the `Storage configuration` page, keep `Encrypt my data` unchecked and click `Next`. Select it only if you need LUKS disk encryption.
+
+
+
+### Review and Start the Installation
+
+Review the system, language, installation method, and partitions (efi / boot / btrfs root). Check `I understand that all existing data will be erased` and click `Erase data and install` to begin writing.
+
+
+
+### Installation in Progress: Storage Configuration
+
+The installer creates the file system (btrfs) automatically. No action is needed; do not power off or unplug the medium.
+
+
+
+### Installation in Progress: Software Installation
+
+Packages are being installed. No action is needed — wait for the progress to advance.
+
+
+
+### Installation in Progress: System Configuration
+
+The boot loader is being installed. No action is needed.
+
+
+
+### Installation in Progress: Finalization
+
+The initramfs is being generated. No action is needed. Once all four stages are complete, proceed to the next step.
+
+
+
+### Installation Succeeded
+
+Once `Successfully installed` appears, click `Exit to live desktop` to exit the installer, then restart the system.
+
+
+
+## Using Fedora
+
+### First Boot: Initial Setup Welcome
+
+During the reboot, unplug the installation USB drive so the system boots from the microSD card. The first-boot setup wizard appears; click `Start Setup` to begin.
+
+
+
+### Privacy Settings
+
+`Location Services` and `Automatic Problem Reporting` are off by default; keep the defaults (you can change them later in Settings) and click `Next`.
+
+
+
+### Select the Time Zone
+
+Confirm that the time zone is `CST (UTC+08) / Shanghai`. To change it, search for a city in `Search cities`, then click `Next`.
+
+
+
+### Third-Party Repositories
+
+If you want common applications and some proprietary drivers, click `Enable Third-Party Repositories`; then click `Next` to continue (you can also proceed without enabling them).
+
+
+
+### Set the User Information
+
+Confirm the `Full Name` (for example, `Radxa`) and the `Username` (for example, `radxa`). The username is used for the home directory and cannot be changed, so confirm it and click `Next`.
+
+
+
+### Set the Account Password
+
+Enter the password and confirm it (`Confirm Password`). A weak password triggers `This is a weak password`; a longer combination of letters, numbers, and symbols is recommended, then click `Next`.
+
+
+
+### Setup Complete
+
+Once `All done!` appears, click `Start Using Fedora Linux` to finish the wizard.
+
+
+
+### Enter the GNOME Desktop
+
+You are now on the Fedora 44 Workstation desktop. You can launch Firefox, Files, and other applications from the Dock at the bottom, and click the grid icon to view all applications.
+
+
diff --git a/i18n/en/docusaurus-plugin-content-docs/current/dragon/q8b/other-system/ubuntu.md b/i18n/en/docusaurus-plugin-content-docs/current/dragon/q8b/other-system/ubuntu.md
new file mode 100644
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--- /dev/null
+++ b/i18n/en/docusaurus-plugin-content-docs/current/dragon/q8b/other-system/ubuntu.md
@@ -0,0 +1,175 @@
+---
+sidebar_position: 3
+doc_kind: page
+---
+
+# Install Ubuntu 26.04
+
+This guide explains how to create a bootable USB drive and install Ubuntu 26.04 to a microSD card on the Radxa Dragon Q8B, from BIOS setup through the installer and the first boot into the desktop.
+
+:::caution
+The installation process erases all data on the selected target storage device. Back up any important files in advance, and double-check the target disk.
+:::
+
+## Download the System Image
+
+Download the ARM64 build of [Ubuntu 26.04](https://cdimage.ubuntu.com/ubuntu/releases/resolute/release/ubuntu-26.04-desktop-arm64.iso) from the official Ubuntu website.
+
+## Burn the Bootable USB Drive
+
+Use [balenaEtcher](https://etcher.balena.io/) to write the downloaded system image to a USB drive. For installation and usage instructions, see [Etcher Usage](https://docs.radxa.com/common/radxa-os/install-system/balena-etcher).
+
+## Modify BIOS Settings
+
+Install the bootable USB drive and the microSD card on the board, then connect the power adapter.
+
+### Enter the UEFI Setup Main Screen
+
+Power on and press `F2` to enter the UEFI setup. The top of the main screen shows the SoC (Snapdragon 8cx Gen 3), the firmware version, and the memory capacity (16384 MB). Confirm that the cursor is on `Radxa Platform Configuration` and press `Enter`; use `↑↓` to move the highlight and `Enter` to enter a submenu.
+
+
+
+### Enter Radxa Platform Configuration
+
+In the Configuration Options list of the platform configuration menu, use `↑↓` to move the highlight to `Third-party OS Compatibility Settings` and press `Enter`.
+
+
+
+### Set All Third-Party OS Compatibility Options to Enabled
+
+Inside `Third-party OS Compatibility Settings`, keep every option (`simple-bridge` / `gpio-shared` / PCIe port node parsing / PCIe BAR windows / efivars / QPS615 / PD, and so on) set to ``. When `Ignore unused power domains (PD) for Linux` is enabled, `pd_ignore_unused` is appended to the Linux boot parameters. When you are done, press `Esc` to exit and save.
+
+
+
+## Install Ubuntu
+
+### GRUB Boot Menu: Try or Install Ubuntu
+
+After booting from the USB drive, the GRUB menu appears with `Try or Install Ubuntu` highlighted by default; press `Enter` to start the Ubuntu installer.
+
+
+
+### Select the Installation Language
+
+Select `English` in the language list (it is selected by default) and click `Next` in the lower-right corner to continue.
+
+
+
+### Accessibility Settings
+
+This page lets you adjust accessibility options such as vision, hearing, keyboard, pointer, and zoom before installing. If you have no special requirements, click `Next`.
+
+
+
+### Select the Keyboard Layout
+
+Keep the default `English (US)` layout and the English (US) variant. You can type in the box below to confirm the keys are correct, then click `Next`.
+
+
+
+### Network Connection
+
+No wired or Wi-Fi device is detected, so the first two options are grayed out and unavailable. Keep the default `Do not connect to the internet` selected and click `Next`.
+
+
+
+### Choose Install Ubuntu
+
+On the `What do you want to do with Ubuntu?` page, keep the default `Install Ubuntu` selection and click `Next`. Select `Try Ubuntu` only if you want to try the system first.
+
+
+
+### Choose the Installation Type
+
+Keep the default `Interactive installation` and click `Next`.
+
+
+
+### Choose the Applications to Install
+
+Keep `Default selection` (the default, a browser plus basic tools). If you need an office suite such as LibreOffice, switch to `Extended selection`, then click `Next`.
+
+
+
+### Install Recommended Proprietary Software
+
+This page asks whether to install recommended proprietary software (third-party firmware/drivers and additional media formats). Select the options you need and click `Next`; leaving them unselected does not prevent the system from booting normally.
+
+
+
+### Choose the Installation Method
+
+On the `How do you want to install Ubuntu?` page, choose an installation method.
+
+
+
+
+Select `Manual installation` to customize the partitions on the microSD card, then click `Next`.
+
+
+
+Confirm the partition layout: `mmcblk0p1` is FAT32 mounted at `/boot/efi`, and `mmcblk0p2` is ext4 mounted at `/`. `sda` is the installation USB drive — do not select or format it. `Device for boot loader installation` must be set to `mmcblk0` (the microSD card), not the USB drive. When everything is correct, click `Next`.
+
+
+
+
+
+
+If you do not need custom partitions, select `Erase disk and install Ubuntu` instead. This erases all data on the entire `mmcblk0` disk. Then click `Next`.
+
+
+
+
+
+
+Use only one of these two methods; do not mix them.
+
+### Disk Encryption Option
+
+Keep the default `No encryption` and click `Next`. Select `Encrypt with a passphrase` only if you want to enter a passphrase to unlock the disk at boot.
+
+
+
+### Create an Account
+
+Fill in `Your name`, `Your username`, `Password`, and the password confirmation, and keep `Require my password to log in` checked. If a `Weak password` warning appears, choose a stronger password, then click `Next`.
+
+
+
+### Select the Time Zone
+
+Confirm that `Location` is `Shanghai` and `Timezone` is `Asia/Shanghai` (the China region is highlighted on the map and marked with a red pin). To change it, click on the map or type a city name directly, then click `Next`.
+
+
+
+### Review and Start the Installation
+
+On the `Ready to install / Review your choices` page, double-check the installation type, the installation disk (`mmcblk0`), the applications, encryption, and the partition information. When everything is correct, click `Install`. From this point the installer erases `mmcblk0` and writes the system, and the change cannot be undone.
+
+
+
+### Installation in Progress: Copying Files
+
+The installer copies files in the background (`Copying files…`) while the page shows an Ubuntu 26.04 LTS feature carousel. No action is needed. Do not power off or unplug the USB drive.
+
+
+
+### Installation in Progress: Introduction Slides
+
+The carousel continues to show feature highlights, and the bottom of the screen reads `Installing the system…`. The installation is still running in the background; no action is needed — just wait.
+
+
+
+### Installation Complete
+
+Once `Ubuntu 26.04.1 LTS is installed and ready to use` appears, click `Restart now` to reboot into the installed system. Choosing `Continue testing` only keeps you in the live environment, and any changes are not saved.
+
+
+
+## Using Ubuntu
+
+### First Boot: The Ubuntu Desktop
+
+During the reboot, unplug the installation USB drive so the system boots from the microSD card. The first time you reach the desktop, a loading animation appears briefly, and then the GNOME desktop opens; you can launch Firefox, Files, and other applications from the Dock on the left.
+
+
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