: system.img or super.img — containing the main Android OS. Boot Image : boot.img — contains the kernel and ramdisk.

Searching for "repack" firmware usually indicates a search for unofficial, pre-modified, or compressed ROMs typically found in developer communities rather than official support channels. For the (and variants like the 50 XE NXTPAPER 5G ), official firmware is managed through manufacturer tools. Official Firmware & Tools

It is highly unusual to encounter the phrase in official technical documentation. Typically, "repack" refers to the unauthorized modification, decompression, and reassembly of system software—often stripping out bloatware, adding root access, or modifying carrier restrictions.