: Open the Odin tool on your computer as an Administrator.
efs-fix-regalstreak.tar.md5
: A transparent black box with yellow text appears on the home screen detailing PDA, CSC, and hardware info.
Wait for the process to complete. Once finished, the top box will flash green and display a message. Your phone will reboot automatically. Troubleshooting and Next Steps efs-fix-regalstreak.tar.md5
Improperly flashing EFS files can lead to permanent IMEI loss. Ensure this file is specifically compatible with your exact Samsung model before proceeding. How to Flash efs-fix-regalstreak.tar.md5 (Step-by-Step)
Download and install official Samsung USB drivers on your Windows PC so Odin can communicate with your device.
Calibration data required for the modem to communicate with cell towers. How the EFS Partition Gets Corrupted : Open the Odin tool on your computer as an Administrator
Disconnect the phone, pull the battery (if possible), and restart the device. Prevention and Best Practices
To use this fix, you must typically flash the file using , Samsung's official firmware flashing tool for Windows.
This problem almost always points to a corrupted . The EFS (Encrypted File System) folder contains critical device-unique data: your IMEI number (both slots), your device's serial number, MAC addresses for Wi-Fi/Bluetooth, and factory calibration data. Without it, cellular modems refuse to work. Once finished, the top box will flash green
Turn off your Samsung device completely. Use the appropriate key combination for your specific model generation to boot into (also known as Odin Mode):
When corrupted, your phone might fail to read the IMEI, leading to "Not Registered on Network," "No Service," or permanent airplane mode.