If your kernel version ends with -perf , that means it’s a production (non-debug) kernel, typical for end-user devices. Kernel version 4.14.117 Android represents a specific moment in the Android timeline—a well-tuned, secure-for-its-time kernel that powered countless smartphones in the 2019–2020 era. For retro computing enthusiasts, custom ROM developers, and security researchers, it remains a relevant reference point.
Introduction In the sprawling ecosystem of Android devices—from budget-friendly handsets to rugged industrial IoT modules—the Linux kernel remains the foundational bridge between software and hardware. While end-users often obsess over Android OS version numbers (Android 10, 11, 12, etc.), developers and security professionals pay closer attention to the kernel version string. One specific identifier that appears across thousands of devices worldwide is kernel version 4.14.117 Android . kernel version 4.14.117 android
4.14.117-g12345678-abcd #1 SMP PREEMPT Mon May 13 12:34:56 CST 2019 The 4.14.117 confirms the kernel base. The extra string ( -g12345678 ) indicates a specific vendor build hash. If your kernel version ends with -perf ,