# Android Modding Android modding includes replacing or modifying firmware, system components, application packages, and interface behavior. ## Notebook evidence PDF page 2 records ROM updates and Lineage information; PDF page 15 introduces “Amazing Android MODS”; pages 16–27 examine the resulting device and package layers. ## Boundary Modding can be authorized, restorative, experimental, or unauthorized. Preserve consent, device ownership, bootloader state, image source, signer, hashes, and rollback path.