1. Remove ads.
2. Remove cached junk.
3. Disable UCBackup, UCPlayer, page, Picture, and folder generation.
4. Remove security protection, help, about, sounds, installation package backup, initialization pop-ups, blank texts, and other files.

[Only streamlining some unnecessary items, removing ads, personally modified for personal use, feel free to try it if you like! Layout is quite fast, UA is powerful!]