: This indicates the first segment of a "multi-part" or "spanned" archive. To extract the full contents, you generally need all subsequent parts (e.g., .part2.rar , .part3.rar ) in the same folder.
: Stock or custom ROMs used to update or repair a phone's operating system. _p_jb_n_LoLan_Tr_A51.part1.rar
: This often refers to a specific device model, such as the Samsung Galaxy A51 . : This indicates the first segment of a