Quoted Repair and Software: Updates, Obsolescence, and Mobile Culture’s Operating Systems (continent.)

Alongside repair collectives, organizations working to address the culture of app obsolescence will play an important role in the future of repair culture.

e.g. grassroots organisations working on community-supported alternative OSs, and organisations curating lists of apps that still function on earlier versions of OSs.
Quoted
This iPhone is nine years old; when considered in the larger scale of technological change, this is an incredibly short time span for the technology to become obsolete
Quoted Repair and Software: Updates, Obsolescence, and Mobile Culture’s Operating Systems (continent.)

In most complex systems, software lifecycle costs (redesign, rehosting and re-qualification) contribute as much or more to the total lifecycle costs as the hardware, and the hardware and software must be concurrently sustained.