By the time version 4.14.117 became prevalent, Google's Project Treble was in full swing. This version fully supports the modular framework that separates the vendor implementation (hardware-specific code) from the core Android OS framework. This separation relies heavily on a stable, predictable kernel interface (KPI/KMI), which 4.14.117 helped maintain. 2. Energy-Aware Scheduling (EAS) Refinements
Determining which tasks get CPU priority via schedulers like Energy Aware Scheduling (EAS).
You will see a string similar to 4.14.117-perf-g32a... . The "perf" indicates a performance build, while the trailing characters identify the specific commit by the manufacturer. Why It Matters Today
Mobile devices constantly transition between cellular data and Wi-Fi networks. Kernel 4.14.117 introduced specific patches to the networking subsystem, addressing memory leaks in the socket handling layer and resolving edge-case packet drops. For Android users, this translated directly to fewer random Wi-Fi disconnections and more stable tethering performance. 2. File System Refinements (f2fs and ext4)
The Linux kernel is the core of the Android operating system, responsible for managing hardware resources and providing services to applications. Android's kernel is based on the mainline Linux kernel, with additional patches and modifications to support Android-specific features. kernel version 4.14.117 android
| Device | Release Year | Android Version | Notes | |--------|--------------|----------------|-------| | Xiaomi Redmi Note 7 | 2019 | Android 9 (MIUI 10) | Initial kernel 4.14.117-perf+ | | Nokia 6.1 Plus | 2018 | Android 9 | Stock kernel 4.14.117 | | Motorola Moto G7 | 2019 | Android 9 | 4.14.117 with PowerVR GPU drivers | | Samsung Galaxy A50 | 2019 | Android 9 (One UI 1.1) | Exynos 9610 variant | | Essential Phone PH-1 | 2018 | Android 10 beta | 4.14.117 (later updated) |
Android applications constantly request and release system RAM. Upstream fixes in 4.14.117 improved low-memory killer (LMK) mechanics and page allocation tracking. This ensured that background apps were cached more efficiently without choking foreground performance. The Android Lifecycle: From Upstream to Your Device
The era of the 4.14 kernel was heavily defined by hardware-level vulnerabilities, most notably Spectre and Meltdown. Version 4.14.117 included vital mitigations against speculative execution side-channel vulnerabilities impacting ARM Cortex processors.
Understanding kernel version 4.14.117 for Android requires looking at its security enhancements, architectural optimizations, performance impacts, and its enduring role in the custom ROM development community. The Role of LTS 4.14 in the Android Ecosystem By the time version 4
Mitigating modern variants of speculative execution bugs.
The 4.14 kernel introduced the io_uring subsystem (though initially disabled in early Android implementations) and significant improvements to the eBPF (Extended Berkeley Packet Filter) virtual machine. Android relies heavily on eBPF for traffic accounting (stats) and networking security (BPF programs replacing iptables).
Point release specifically represents a mid-cycle update in this branch, often seen on popular devices like the Xiaomi Mi 9 and Mi Mix 3 5G during their Android 10 lifecycle 0.5.1 , 0.5.15 . Why It Matters for Android
For any production or consumer-facing Android product, migrating to a newer LTS kernel (5.10 or 5.15) is strongly advised. vendor-specific drivers (e.g.
Kernel version is a specific maintenance release within the Linux 4.14 Long Term Support (LTS) branch. In the Android ecosystem, this version served as a foundational layer for devices released around 2019, most notably the Pixel 4 series . Core Purpose & Context
Article last updated: May 2026. Kernel versions and security data reflect information available as of this writing.
Because 4.14.117 is highly documented and stable, custom kernel developers use it as a base to inject custom features, such as: Advanced TCP congestion control algorithms (like BBR). Custom CPU/GPU governors for performance tuning. Under-volting capabilities to extend battery life.
Allowing advanced calibration of screen contrast, saturation, and RGB color channels. 5. How to Check Your Device's Kernel Version
When appended with , this signifies that the kernel is not a vanilla upstream Linux kernel but rather one customized with the Android Common Kernel (ACK) patches, vendor-specific drivers (e.g., Qualcomm, MediaTek, Samsung Exynos), and Google’s security backports.
: The base 4.14 LTS kernel was released in late 2017. Sublevel 117 is part of the ongoing maintenance that kept devices secure and stable through roughly 2019 and beyond. Device Lifecycle
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