The information and flashing process below are specifically geared toward the (models like SM-A205) and its close sibling, the A20e (SM-A202). What Is a Custom ROM?
Check the boxes for . Swipe the slider at the bottom to confirm the wipe.
The Galaxy A20’s hardware is actually quite solid (the screen is still great). The software was the anchor dragging it down. A lightweight ROM like LineageOS cuts the rope and lets the phone finally float.
A highly customized ROM often paired with the Starry kernel , which supports advanced features like KernelSU for root access.
These are great if you want the "Pixel" look with extensive customization options. DerpFest Android 15 builds have been released for the "A-series" project. MIUI Ports:
Go back to the main settings, open , and ensure OEM Unlocking is toggled ON. Step 2: Unlock the Bootloader Turn off your phone completely.
As the spiritual successor to CyanogenMod, LineageOS is the most popular open-source Android ROM in existence. It offers a lightweight, stock-Android feel stripped of all Google services by default (though you can flash them separately). LineageOS is famous for extending the lifespan of older devices by providing incredible optimization and privacy features. 3. Evolution X
If you are ready to take the plunge and want to check if a ROM is available for your specific variant:
Installing a custom ROM on a Samsung device is a multi-step process that requires patience and attention to detail. Rushing often leads to errors. Follow this checklist carefully:
The Ultimate Guide to Samsung Galaxy A20 Custom ROMs: Revive Your Device
Samsung's One UI can be heavy. A lightweight custom ROM (especially those based on AOSP—Android Open Source Project) can make the Exynos 7884 chipset feel snappier.
Navigate to Settings > Developer Options and enable OEM Unlocking . Boot into download mode to finish unlocking the bootloader.
: The first boot can take up to 10 minutes—be patient!
Now you are ready to install the operating system.