Root TWRP v3.5.2 for Samsung Galaxy A50 SM-A505F Android 11

Enable Developer Options: go to Settings -> About device -> Software information. Tap 7 times on Build number to enable Developer options.
Enable OEM unlock and USB debugging options ( Settings -> Developer options )
Make sure the bootloader are unlocked,
Download and Extract ODIN v3.13.1 from https://odindownload.com/SamsungOdin/
Download Latest Magisk Manager
Download TWRP_v3.5.2_A505_A11_Magisk.tar
Download multidisabler_samsung.zip

Make sure the bootloader unlocked, OEM unlock option is grey out
Enter Download Mode : Turn Power Off. Press and hold Volume Up + Volume Down key together, while pressing these keys, connect the phone to computer, then press volume up once.
Open ODIN, IMPORTANT!: Uncheck “Auto Reboot” in Options!
Flashing TWRP_v3.5.2_A505_A11_Magisk.tar as AP in ODIN, then click start.
DO NOT SKIP THIS STEP! Don’t remove USB Cable, let it connected. Press and hold Volume Down + Power Key, when the screen blank quickly press and hold Volume Up + Power key, when Samsung Logo appears release Power key only, keep pressing Volume Up key until TWRP Recovery Appears.
Select Wipe -> Format data, type ‘yes’ and confirm
Copy multidisabler_samsung.zip to phone, ignore this if you copied to SD Card
Select Install – select multidisabler_samsung.zip Swipe to confirm Flash
Select Reboot to System
When SAMSUNG logo appears wait for a few minutes or more then press and hold volume down + power key until the screen blank
Setup the phone
Connect Phone to Internet and Make sure the bootloader are unlocked, OEM unlock option is grey out. Don’t restart the phone if you don’t see it

Enter TWRP Recovery Mode: Turn power off, Connect the phone with a USB cable then quickly Press and hold Volume Up + Power Key until TWRP Recovery Mode Appears.
Select Reboot to Recovery
Connect Phone to Internet
Open Magisk
Install Magisk app and Open it. Magisk will ask to do additional setups. Let it do its job and the app will automatically reboot your device.
Done

Gyan Burner