android - Adb over wireless without usb cable at all -


i want debug android apps on phone (lg nexus 4). i'm travelling , forgot usb cable. when work @ home can connecting usb cable , executing command 'adb tcpip 5555'. can unplug usb cable , connect via 'adb connect ip'.

but cannot execute first command because don't have cable. don't understand why have every time, since execute 'adb tcpip' command before.

what tried now:

i installed terminal application on android , tried execute command there, received "device not found" error. maybe cannot see himself...

i search reasonable option in "android development options" , enabled seemed have relation wifi. nothing helped.

i search stackoverflow, answers found involving connect via usb cable before. there way connection without need of cable @ all?

some info: nexus 4 isn't rooted. android version 5.1.1.

if usb not working should checkout debugging on bluetooth (without rooting)

http://zcourts.com/2013/07/19/android-debugging-over-bluetooth-without-root/#sthash.hvcltwsk.dpbs


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