: For users not wanting to install a custom ROM, performance can often be boosted by changing Animation Scales to 0.5x in the Developer Options .

Force restart (Power + Home + Volume Down). Boot to TWRP, wipe cache/dalvik, reflash ROM.

For a closer look at the user interface and installation results on the J200G, you can watch this review: New One Ui Custom Rom For #J200G ( Next Gen OS ) 𝕋𝕖𝕔𝕙 𝕄𝕚𝕟𝕕 🖥️ YouTube• Jan 15, 2022

: Offers a visual overhaul including One UI icons, wallpapers, and a revamped lock screen.

Most Next Gen v3.x builds are Android 9 Pie (Go edition) with backported features. Check build.prop after install.

If you’d like, I can:

Rajesh dropped the phone. It hovered an inch above the floor, rotated gently, and floated back to his hand.