Actually in the past they updated their software even past the support from qualcomm, rewriting by themselves what was needed to allow and old chipset to run newer android version
Yeah, well, they are just doing what custom ROM makers have been doing for a decade and a half.
My old Droid 4 was also EOL after Android 4.1. Custom ROM makers pushed this up to Android 7.1 by ignoring the parts (e.g. the Kernel) that they couldn’t update.
Actually in the past they updated their software even past the support from qualcomm, rewriting by themselves what was needed to allow and old chipset to run newer android version
Source
Yeah, well, they are just doing what custom ROM makers have been doing for a decade and a half.
My old Droid 4 was also EOL after Android 4.1. Custom ROM makers pushed this up to Android 7.1 by ignoring the parts (e.g. the Kernel) that they couldn’t update.