This is the safest place to look. Search the "Samsung Galaxy J1" forums for threads specifically mentioning SM-J110H .
The first boot can take up to 10–15 minutes. Be patient! Why Use a Custom ROM? Sm-j110h Custom Rom
: Custom ROMs often strip away "bloatware" found in Samsung's TouchWiz, making the device feel faster. This is the safest place to look
Flash via TWRP. Then install L Speed or Kernel Adiutor to tweak CPU governor to “performance” or “ondemand”. Sm-j110h Custom Rom