It stops the phone from trying to replace your custom TWRP recovery with the stock recovery on reboot. Why Use Version 3.1?
Flashing system-level zip files carries inherent risks. Ensure you fulfill these requirements before proceeding:
This guide provides a deep dive into what this tool does, how it works, and how to use it safely. What is multidisabler-samsung-3.1.zip ?
After flashing, you must perform a "Format Data" (typing 'yes' in TWRP) to remove the existing encryption. Multidisabler-samsung-3.1.zip
Multidisabler-samsung-3.1.zip a flashable utility script, originally created by developer Ian Macdonald (ianmacd)
Stops the phone from overwriting TWRP with the original Samsung recovery.
The file is widely hosted on community platforms like Android File Host , SourceForge , and the developer's official GitHub repository . It stops the phone from trying to replace
A new script called nuker is being developed within the official Team Win (TWRP) GitHub organization. It aims to be a more integrated and reliable replacement for the multidisabler, simplifying the code that disables encryption and other protections.
Multidisabler-samsung-3.1.zip ├── META-INF/ │ └── com/ │ └── google/ │ └── android/ │ ├── update-binary │ └── updater-script └── system/ └── etc/ └── init/ └── multidisabler.sh <-- (Or service.sh)
Are you planning to use this on a , or Download multidisabler-samsung-3.1.zip (Eureka Releases) Multidisabler-samsung-3
This means the encryption is still active. Reflash the multidisabler and format data again.
While powerful, using this tool carries risks. Disabling encryption means your personal data is no longer protected if the device is stolen. For users who want the benefits of the disabler without losing security, developers have created variants like multidisabler-samsung-keep-encryption which skip the FBE-disabling step.
Flashing system-level binaries requires careful preparation. Ensure you meet all the prerequisites below before attempting to use the tool:
Specifically supports Android 9, 10, and 11. Later versions may work, though some users on Android 13 have reported issues like bootloops due to updated Samsung security.
| Symptom | Likely Cause | Solution | |---------------------------------------|---------------------------------------------------|-----------------------------------------------------------------------------------| | After flashing, device boots to Download Mode | Vaultkeeper still active because you skipped “Format Data” step. | Reboot TWRP, Format Data again, reflash multidisabler. | | /data mounts as 0 MB in TWRP | Metadata encryption left from stock. The disabler didn’t run correctly. | Manually wipe metadata partition via advanced wipe → select metadata → repair. | | Error in script: “Unsupported device” | Your device ro.product.device not in disabler’s compatibility list. | Use a device‑specific multidisabler from your device forum. | | Bootloop after custom ROM + this tool | ROM expects encryption enabled (LineageOS 20 sometimes does). | Reflash ROM, then immediately flash multidisabler again before first boot. |