Custom ROM is the system which provides additional features to the lower end phones.As the lower-end phones
don’t get the latest updates and because of which phone gets slower and lags. The system Custom ROM can grant access to
many additional features to display, themes, security, camera and many more tothe lower end phones. These helps user in
providing a better platform to use the phone as before using the stock ROM.Conventionally, this work requires the
implementation of various softwares such as LineageOS14.1 has beenused as a base platform and the build environment is
achieved through Linux (Ubuntu).
Keywords - Linux, LineageOS14.1, Lenovo A7000, Root.