适合Good fit
- ADB 和 Fastboot 的可见性不一致ADB and Fastboot visibility differ
- 你想先排除线缆、端口、驱动和授权层you want to isolate cable, port, driver, and authorization layers
- 需要把已经试过的只读步骤交给维修人员you need to hand attempted read-only steps to a technician
手机 / 玩机 · 只读连接排查mobile / enthusiast · read-only connection triage
别反复装驱动，
先定位断在哪层。Stop reinstalling drivers.
Find the broken layer.
选择你真实看到的状态，得到从 USB 物理层、电脑枚举、ADB 授权到 Fastboot 模式的下一步。页面不执行命令、不下载驱动、不修改或解锁设备。Select what you actually observe and get the next check across USB, host enumeration, ADB authorization, and Fastboot mode. The page runs no commands, downloads no drivers, and never modifies or unlocks the device.
✓ 只给只读检查✓ Read-only checks only✓ 不运行 ADB/Fastboot✓ Runs no ADB or Fastboot✓ 不解锁、不刷写✓ No unlock or flashing
免费 · 仅在浏览器中运行free · browser only
定位连接断点Locate the connection break
一次付费 · 不订阅one-time payment · no subscription
需要交给维修人员或未来的自己？Need to hand this to a technician—or future you?
$5 一次解锁 Markdown 维修交接收据，包含环境、已观察事实、只读检查、停止边界和待人工动作。Pay $5 once for a Markdown repair handoff covering environment, observed facts, read-only checks, stop boundaries, and human-owned actions.
- 免费获得完整只读排查路径get the full read-only diagnostic path free
- 付费导出可交接的维修收据export a repair-ready handoff after purchase
- 不会生成刷机、解锁或擦除命令no flash, unlock, or erase commands
先判断是否适合check the fit first
它解决什么，不解决什么What it solves—and what it does not
不适合Not a fit
- 设备有物理损坏、进水或电池故障迹象the device shows physical, liquid, or battery damage
- 你需要绕过锁、账户保护或厂商授权you need to bypass locks, account protection, or vendor authorization
- 你希望网页直接刷写、解锁或恢复数据you expect a web page to flash, unlock, or recover data
替代与对比alternatives and comparison
不要为了一个小任务换掉成熟系统Do not replace a mature system for one narrow job
它把论坛帖子、驱动重装和随机换线变成有顺序的只读排查；不替代 Android Platform Tools、厂商 USB 驱动、XDA 设备专帖或专业维修。It turns forum threads, driver reinstalls, and random cable swaps into ordered read-only checks. It does not replace Android Platform Tools, vendor USB drivers, device-specific XDA threads, or professional repair.