First make sure that USB Driver is perfectly installed your laptop.
After that download odin on your pc download link is given up.
Open the Odin file on your computer.
Get the flash file for your device from this website.
Get your device into download mode to get…turned off your device, Press and hold Volume Down key, Home Key and Power Key.
Then click volume up button key to enter download mode
After that connect your device to your laptop.
Right-click on Odin and click on ‘run as administrator’.
Your device ought to be automatically recognized by Odin. At the lower-left of Odin interface, it ought to show a message that says “Added!” and with in the meanwhile you must see a-blue box at the ID:COM section stating “COM:3”.
Whether it’s “PDA” or “AP” depends on the version of Odin that you used. However md5 file goes to either “PDA” or “AP
After adding the file, click “Start” to start the flashing method.
Note: Don’t take away or treat your device till finished or failed is showed on Odin.
When the flashing process starts, it may take up to 5-15 minutes. So, don’t hesitate please wait.
•Warning: The Firmware file is only for the Samsung A20-A207F,Don’t try this file on any other device, It should brick or harm your device we are going to not be liable for that.
•Important Suggestion: If you face any problem by the given firmware you’ll be able to write in comments we are going to attempt best to mend as presently as we are able to.