Turn off the phone. Hold and connect it to a PC.

For the Samsung Galaxy A30s (SM-A307FN), rooting on Android 9.0 (Pie) with binary version U2 requires a specific process involving Magisk. Because "root files" (like CF-Auto-Root) are largely obsolete for newer Samsung devices, you must manually patch the device's firmware to gain administrative access. ⚠️ Important Prerequisites

Long press when the warning screen appears to enter Unlock Mode. Confirm the unlock (this wipes the device). 2. Prepare the Root File Download the SM-A307FN U2 Android 9.0 firmware to your PC. Extract the ZIP file. Look for the file starting with AP . Copy that AP file to your phone's internal storage. Install the Magisk App APK on your phone.

The phone will boot into the system. Open the Magisk app to finalize the setup. 💡 Troubleshooting Tips

Do you need help finding the for your PC?

: This is the most critical step. Without an unlocked bootloader, you cannot flash custom files.