replace heavy Samsung bloatware with a lightweight Google Pixel interface, often doubling the perceived speed. Samsung DeX Port : Newer custom ports (like ) have successfully enabled Samsung DeX
Don't expect a custom ROM to turn your A20 into a gaming beast. The Exynos 7884 chipset is the bottleneck. Games like PUBG Mobile or Call of Duty Mobile will still struggle on medium settings. A custom ROM frees up RAM, giving you a smoother "driving experience," but it doesn't give the car a bigger engine. a20 custom rom