Power off your device. Hold both Volume Up + Volume Down buttons while connecting it to your PC via USB.
: Many users report that the device "lags" or "freezes" under standard One UI updates. Virtual RAM Limitations samsung a04 custom rom
The answer lies in .
As of early 2026, the custom ROM scene for the A04 relies heavily on due to its Project Treble compatibility. Power off your device
Follow the instructions on the screen to unlock the bootloader. Step 2: Installing Custom Recovery (TWRP) samsung a04 custom rom
You cannot install custom software while the bootloader is locked. Open > About Phone > Software Information .