1.------------------------------------------
adb show error "unable to connect to "
su
setprop service.adb.tcp.port 5555
stop adbd
start adbd
或者
在system/build.prop中加入service.adb.tcp.port=5555
2.------------------------------------
用root权限登录
adb root
3.-------------------------------------
su
setprop service.adb.tcp.port 5555
busybox killall -9 adbd