If this is part of a specific development project or tutorial from a forum (like XDA-Developers), the "complete guide" would be the specific forum post where the link was originally shared.
: You must have all parts (e.g., .part1.rar , .part2.rar , etc.) in the same folder to extract the contents. sc8995-O2SOBO.part1.rar
: Depending on the contents, you may need tools like QFIL (Qualcomm Flash Image Loader) or fastboot if it is a firmware package. If this is part of a specific development
: This is a specific identifier or internal build tag, often seen in custom ROMs or engineering firmware for devices like the Oculus Quest or specific mobile handsets using that chipset. : This is a specific identifier or internal
: Indicates that this is the first segment of a multi-part compressed archive. How to Use This File