Rooting a device this old without a computer is a bit like performing surgery with a Swiss Army knife—it’s possible, but you have to be clever. Modern methods often rely on PC software, so we have to use the "Old School" mobile methods.
The old kings of one-click root—KingoRoot, iRoot, Framaroot—have been flagged as malware or are defunct. However, the open-source community has revived exploits specific to Android 5.x. root android 511 without computer new