Which expert can teach me about ROOT?

asking for a picture. It's very easy

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The one-click root tool (z4root) is a powerful software that allows you to obtain ROOT permissions with one click. After installing z4root on your phone, click root, and the phone will automatically reboot to complete the rooting process. If rooting fails or bugs occur, restarting the device will restore it to its previous state. G3 and MileStone have been successfully tested; please test other models yourself. Software functions: support for one-click ROOT permission acquisition, support for clearing ROOT files after obtaining ROOT permission (to delete files associated with rooting), and support for reacquiring ROOT permissions in case of ROOT errors.