The Nokia C100 has modest hardware. The default launcher can sometimes feel sluggish. Replacing it with a lightweight launcher can make the phone feel much faster.
has limited hardware (32GB storage and 2GB RAM), the best ROMs focus on efficiency and "debloating" Nokia C100 Prepaid | Tracfone nokia c100 custom rom better
You need TWRP (Team Win Recovery Project) compiled for the C100. Flash the .img file via fastboot: The Nokia C100 has modest hardware
Recommended approach (step-by-step)