: Indicates that this is the first segment of a multi-part compressed archive. How to Use This File
: Depending on the contents, you may need tools like QFIL (Qualcomm Flash Image Loader) or fastboot if it is a firmware package. sc8995-O2SOBO.part1.rar
: You must have all parts (e.g., .part1.rar , .part2.rar , etc.) in the same folder to extract the contents. : Indicates that this is the first segment