Most "One Click Root APK" websites you find on Google are filled with malware, adware, or subscription traps. For Android 5.1.1, the only reliable PC-free methods relied on apps like or TowelRoot . TowelRoot doesn't work on patched 5.1.1 builds, and KingRoot was shut down years ago.
If one-click apps fail, you can use a second Android device to act as a "computer" to send commands to your target phone. Preparation : Install the Bugjaeger Mobile ADB Android phone. Connection : Connect both phones using a USB OTG (On-The-Go) cable. root android 511 without computer new
Ensure your device has at least 50% battery . If the phone dies in the middle of writing the system partition, you will have a very shiny brick. Most "One Click Root APK" websites you find
What is the of the device you are trying to root? If one-click apps fail, you can use a
Dirty Cow Root APK (varying names, often "dirtyc0w" or specific device ports) .