Android 5.1.1 relies on specific kernel vulnerabilities (such as the famous Stagefright or Towelroot exploits) to achieve root access without a PC. The following applications are the most effective historical tools for this specific version. Method 1: Kingo Root (APK Version)
Many older one-click root apps have discontinued their server support, meaning the APK can no longer "call home" to get the necessary files. root android 511 without computer new
The app will now scan your device, find an exploit, and attempt to gain root access. This typically takes 1–5 minutes. You may see a progress bar or spinning circle. Android 5