ADB root 报错 error: device not found

问题遇到的现象和发生背景

ADB root 报错 error: device not found，按照网上的方法寻找占用端口无效

运行结果及报错内容

C:\Users\ASUS>adb devices
List of devices attached
BQ8TTCPZ99999999 device

C:\Users\ASUS>adb shell
shell@GiONEE_BFL7512B:/ $ adb root

  • daemon not running. starting it now on port 5038 *
  • daemon started successfully *
    error: device not found
    1|shell@GiONEE_BFL7512B:/ $ netstat -ano | findstr "5038"
    /system/bin/sh: findstr: not found
    127|shell@GiONEE_BFL7512B:/ $ adb devices
    List of devices attached

shell@GiONEE_BFL7512B:/ $

img


你这是进到shell中然后又使用adb root了吗？
试试直接 

root

找下这个端口有谁在用，如果不是adb就给他杀掉