OverlayFS RW is an Android module designed to mount OverlayFS with read and write permissions. It acts as a necessary solution for devices using the erofs partition format, allowing system file modifications without permanently altering the actual read-only system partitions.

I rely on this module to easily edit system files on modern Android devices stuck with read-only erofs partitions. Under the hood, it creates a dynamic overlay that applies your changes system-wide, letting you tweak props or modify core files safely.

3. Core Features

Dynamic storage scaling: The basic version automatically adjusts its capacity based on the free memory left on your /data partition.
Built-in root hiding: Opting for the Hidden Root version conceals your root access and assigns a fixed 4GB overlay by default.
Custom RW partitions: You can manually define exactly which partitions get read/write access by editing the module's text configuration files.
Recovery mode rescue: Fixing bootloops takes little effort since you can mount and edit the overlay image directly from TWRP or OrangeFox.

4. Support & Requirements

Root Support: Magisk, KernelSU (KSU), APatch, or similar manager apps.
System Requirements: Recommended for Android devices currently utilizing the erofs partition format.

5. How to Install

Download the OverlayFS RW .zip release file to your internal storage.
Open your root manager application and navigate to the Modules section.
Tap "Install from storage", select the downloaded zip, and restart your device after flashing.