A20 | Custom Rom ((link))

A de-Googled ROM that replaces Google Services with microG.

Significant speed boost by removing One UI bloatware; includes gaming optimizations and kernel tweaks. Battery Life Deep-black system themes (like "Pitch Black") leverage the Super AMOLED display to save power. Customization a20 custom rom

You cannot simply download an APK and install a ROM. You need a proper toolkit. Here is what you must have: A de-Googled ROM that replaces Google Services with microG

The A20 isn't dead. It's just waiting for you to unlock its bootloader. a20 custom rom