The 6s is still getting updates. The user meant they got an ios 14 upgrade. But it continues to get security updates now. Rumour is it will get support dropped

The 6s is still getting updates. The user meant they got an ios 14 upgrade. But it continues to get security updates now. Rumour is it will get support dropped in september for ios 15, though Apple has been issuing security updates for older devices so remains to be seen. Ongoing support has to be seem in the context of the market. Every phone manufacturer bases support on both original sale date and ongoing sale date. So you can’t just ignore original sale date when considering longevity.