how do re-root manually

[AC Question]

im trying to tether

motorola xt1045
android version 4.4
cricket service
using supersu and wifi tether apps

 

[Rukbat]

You have to install su (a binary file) to /system/bin or /system/xbin, and you have to be rooted to do that. (You trick the phone into giving you root temporarily somehow - it's different for each version of Android and for each phone.)