At exactly 1.21 MB, the application could be downloaded in seconds over weak 2G or GPRS connections. It left ample room on devices that often had less than 50 MB of total internal storage.
The search for the "1.21 MB Opera Mini" usually points back to the Opera Mini 4.x or early 5.x eras, specifically built for Java ME (JAR/JAD files) or early Android operating systems (v1.5 to v2.3 Gingerbread). opera mini old version 1.21 mb
