docs(slogic32u3): point new users to the firmware update tool

Units may ship with firmware older than the latest release. Add a short
tip to the Quick Start unboxing section that links the firmware downloads,
the online update tool and the full steps, and list the update tool under
the Introduction's links.

docs/hardware/en/logic_analyzer/slogic32u3/Introduction.md

@@ -2,6 +2,11 @@
 title: SLogic32U3 Introduction
 keywords: LogicAnalyzer, SLogic, SLogic32U3, USB3.2, 10Gbps, sigrok, SLogicView, SLogicWeb, ngscopeclient
 update:
+  - date: 2026-11-09
+    version: v0.4
+    author: Sipeed
+    content:
+      - Added the online firmware update tool to Links
   - date: 2026-10-06
     version: v0.3
     author: Sipeed
@@ -150,6 +155,7 @@ See the [Software Guide](./Software_User_Guide.md) for detailed usage and how to
 
 - Buy (crowdfunding): https://www.kickstarter.com/projects/sipeed/slogic32u3-the-worlds-first-10gbps-usb32-logic-analyzer?ref=e0astc
 - Web app: https://slogic.sipeed.com
+- Firmware update (online): https://slogic.sipeed.com/ota/
 - Support email: support@sipeed.com
 - QQ group: **932085922**
 - Community (Discord): [discord.gg/V4sAZ9XWpN](https://discord.gg/V4sAZ9XWpN)

docs/hardware/en/logic_analyzer/slogic32u3/Quick_Start.md

@@ -1,7 +1,12 @@
 ---
 title: SLogic32U3 Quick Start
-keywords: SLogic32U3, Quick Start, unboxing, install, SLogicView, SLogicWeb, udev
+keywords: SLogic32U3, Quick Start, unboxing, install, SLogicView, SLogicWeb, udev, firmware update, OTA
 update:
+  - date: 2026-11-09
+    version: v0.3
+    author: Sipeed
+    content:
+      - Added a firmware-update tip to Unboxing, with the firmware download and online update links
   - date: 2026-10-22
     version: v0.2
     author: Sipeed
@@ -38,6 +43,8 @@ The box contains:
 
 For optional accessories see [Hardware Guide · Accessories](./Hardware_Specification.html#Accessories).
 
+> 💡 **Update to the latest firmware before first use.** Firmware may have been updated since your unit left the factory. Download the latest `app.bin` from the [firmware downloads](https://dl.sipeed.com/shareURL/SLogic/SLogic32U3/4_Firmware), then open **[SLogic Firmware Update](https://slogic.sipeed.com/ota/)** in Chrome or Edge to flash it online — nothing to install. Full steps: [Software Guide · Firmware Update](./Software_User_Guide.html#Firmware-Update).
+
 ---
 
 ## Install the software

docs/hardware/zh/logic_analyzer/slogic32u3/Introduction.md

@@ -2,6 +2,11 @@
 title: SLogic32U3 简介
 keywords: LogicAnalyzer, SLogic, SLogic32U3, USB3.2, 10Gbps, sigrok, SLogicView, SLogicWeb, ngscopeclient, 逻辑分析仪
 update:
+  - date: 2026-11-09
+    version: v0.4
+    author: Sipeed
+    content:
+      - 相关链接新增固件在线升级工具
   - date: 2026-10-06
     version: v0.3
     author: Sipeed
@@ -150,6 +155,7 @@ SLogic32U3 的上位机随 [SLogic 发布包](https://github.com/sipeed/SLogic/r
 
 - 购买（众筹）：https://www.kickstarter.com/projects/sipeed/slogic32u3-the-worlds-first-10gbps-usb32-logic-analyzer?ref=e0astc
 - 网页版上位机：https://slogic.sipeed.com
+- 固件在线升级：https://slogic.sipeed.com/ota/
 - 支持邮箱：support@sipeed.com
 - QQ 群：**932085922**
 - 社区（Discord）：[discord.gg/V4sAZ9XWpN](https://discord.gg/V4sAZ9XWpN)

docs/hardware/zh/logic_analyzer/slogic32u3/Quick_Start.md

@@ -1,7 +1,12 @@
 ---
 title: SLogic32U3 快速上手
-keywords: SLogic32U3, 快速上手, 开箱, 安装, SLogicView, SLogicWeb, udev
+keywords: SLogic32U3, 快速上手, 开箱, 安装, SLogicView, SLogicWeb, udev, 固件升级, OTA
 update:
+  - date: 2026-11-09
+    version: v0.3
+    author: Sipeed
+    content:
+      - 开箱一节新增固件升级提示，附固件下载与在线升级链接
   - date: 2026-10-22
     version: v0.2
     author: Sipeed
@@ -38,6 +43,8 @@ update:
 
 选配件见[硬件使用指南 · 配件](./Hardware_Specification.html#配件)。
 
+> 💡 **开始使用前，建议先升级到最新固件。** 设备出厂后，固件仍可能有更新。先从[固件下载站](https://dl.sipeed.com/shareURL/SLogic/SLogic32U3/4_Firmware)下载最新的 `app.bin`，再用 Chrome / Edge 打开 **[SLogic 固件升级](https://slogic.sipeed.com/ota/)** 在线升级，无需安装任何程序。完整步骤见[软件使用指南 · 更新固件](./Software_User_Guide.html#更新固件)。
+
 ---
 
 ## 安装软件