How to Flash Samsung A50 SM-A505F:
Make sure your device is charged at least 30 percent to perform flashing.
• Turn off your cell phone
• Press the Power button + volume UP. The phone will enter Recovery mode, then select Reboot to Bootloader by pressing the Power key.
• The phone will go into Download Mode.
• Now open the Odin flash tool and follow the steps as shown in the video
• Select Samsung SM-A505F
• Select the Odin tool and open it
• Select the BL. file
• Click the AP or PDA and then select AP File
• Click CP and select File Modem.
• Click on CSC and select File CSC.
• After selection, a mobile device will be detected automatically
• Now click start on the system and the installation is in progress
• After installation, the mobile device will turn ON by itself.