3C System Manager (root) v1.3.6a

Contains ads • In-app purchases

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About this app

Tweak stock and custom kernels

A simple app to tweak various kernel settings on your rooted Android device. Requires technical knowledge of Linux and Android.

★ Highly Configurable UI allows you to transform the app into something you really like.

★ Editing all kernel sysctl settings
★ Configuring entropy (random generator, please be careful as it uses CPU)
★ Setting SD read cache size, IO scheduler and syncing, when available
★ Configuring OOM memory limits, when available
★ Benchmark different SD read cache size for optimum performance

On custom kernels supporting it, you can configure:
★ Screen gamma settings
★ Sound output
★ Double-tap-to-wake
★ Fast-charge
★ Sweep-to-sleep
★ Battery level eXtender (maximum charging %)
★ Intelliplug

In-app purchase can be made to remove ads or unlock features.

In-app purchases

$0.49 - $3.49 per item

Version Information

Version: 1.3.6a
Downloads: 50K+
Updated on: Nov 9, 2025
Released: Jul 19, 2019
Requires: Android 6.0

What's New

Restore ability to unlock individual features
Adds square button styles, adjust elevated button style
Ability to unlock all features with 3C All-in-One Toolbox unlock key (requires unlock key version 1.3.0)