Sprd Sp7731e1h10native Best Info
The search for proves that a community of users still relies on this legacy chipset. While you cannot turn this into a flagship device, by applying the native tweaks above (AOSP ROM, Performance governor, Niagara Launcher, and 720p fixed resolution), you can achieve a best-in-class experience for $50 hardware .
Limitations
Install a Lean AOSP or LineageOS (unofficial build) for your specific device. sprd sp7731e1h10native best