Power off the device. Connect it to a PC while holding to enter Download Mode.
Extract the downloaded stock firmware on your PC and locate the file starting with . Transfer this AP file to your phone's internal storage. Install the Magisk App on your phone. samsung-a305f-u1-android-9-root-file
Open Magisk, tap , choose Select and Patch a File , and select the AP file. Power off the device
: Obtain the exact firmware matching your device's baseband version ( SM-A305F U1 Transfer this AP file to your phone's internal storage
running , you must follow a precise sequence involving bootloader unlocking, firmware patching, and flashing via Odin. Note that rooting voids your warranty and will permanently trip the Knox security counter. Essential Prerequisites Backup Data : Unlocking the bootloader wipes all user data . Battery : Ensure at least 50% charge.
: Download and install the Samsung USB Drivers and the Odin Flash Tool . Stock Firmware
: HOME_CSC_xxx.tar (to attempt to keep data) or CSC_xxx.tar (to wipe).