For the Samsung Galaxy A9 Pro, installing a custom ROM is the single most effective way to modernize your device. By following the steps of unlocking the bootloader, installing TWRP, and flashing a new custom ROM, you can say goodbye to the outdated Android 8.0 Oreo and gain access to a faster, more secure, and feature-rich operating system.
: Some users have successfully flashed Pixel ROMs on the Tab A9/A9 Pro variants to replace the heavier Samsung One UI with a clean Google experience. High-Level Installation Steps samsung a9 pro custom rom