Connect your phone to the PC; it should appear as a storage device. Transfer the Custom ROM zip file
The Samsung A9 Pro has a locked bootloader by default. You cannot install any custom ROM without these steps. Samsung Pay, Secure Folder, and Warranty (long expired) will be permanently disabled. samsung a9 pro custom rom
: If you can't find a device-specific ROM, the A9 Pro might support GSIs through Project Treble , though this is more advanced and experimental. Connect your phone to the PC; it should
joeyhuab (via Project Elixir/Lineage fork) Connect your phone to the PC
: Custom ROMs often remove "bloatware" (pre-installed apps), which can significantly speed up the interface and improve multitasking.