If you are specifically looking for version 2.1.x, here are the technical specifications from that release period:
The text you are looking for relates to , which was released in November 2022 . While this version is significantly older than the current v3.0.5 (released April 2026), you can still find descriptions and download steps for it on various platforms. Game Overview Download Sword Art Online: Integral Factor 2.1....
: This specific era of the game is compatible with older devices running Android 5.0 (Lollipop). Download Options If you are specifically looking for version 2
: Released on January 24, 2023, requiring Android 5.0 or higher and an arm64-v8a architecture. Download Sword Art Online: Integral Factor 2.1....