Here’s a concise report on the identifier . Report: Kernel Identifier 4.14.190-perf 1. Summary 4.14.190-perf is a Linux kernel version string, typically found on Android devices. It indicates a kernel based on mainline Linux version 4.14.190, with additional Android-specific optimizations and the -perf suffix denoting a “performance” or production kernel configuration. 2. Breakdown of Components