Added Supported Android Version

Author: BiltuDas1

README.md

@@ -1,6 +1,10 @@
 [![SL Scan](https://github.com/BiltuDas1/unlock-Bootloader/actions/workflows/shiftleft-analysis.yml/badge.svg)](https://github.com/BiltuDas1/unlock-Bootloader/actions/workflows/shiftleft-analysis.yml)
 [![Open Source Helpers](https://www.codetriage.com/biltudas1/unlock-bootloader/badges/users.svg)](https://www.codetriage.com/biltudas1/unlock-bootloader)
 [![Donate](https://img.shields.io/badge/Buy%20me%20a-Coffee-blue.svg)](https://www.buymeacoffee.com/stopback)
+```
+Please Note: The Repo doesn't work on Android 9 or Above.
+```
+
 # Unlock Bootloader
 Unlock bootloader into your Android Phone for installing Custom Roms.