KingRoot is arguably the most popular PC-less rooting solution for older Android versions like 5.1.1. It uses an exploit chain to gain temporary root access and then installs its own management binary.
Your exact (e.g., Samsung Galaxy Grand Prime, LG G3) If you plan to install a custom ROM like LineageOS What specific root apps you want to run root android 511 without computer new
Towelroot is another popular rooting tool that can root Android 5.1 without a computer. Here's how to use it: KingRoot is arguably the most popular PC-less rooting
KingRoot is arguably the most effective "one-click" root app for older Android versions like 5.1.1 Lollipop, as it supports a vast library of devices. Samsung Galaxy Grand Prime