Swap due to incompatibility to an incompatible OS?
Interesting that custom applications that work on windows 8 will not work on windows 10 yet it is deemed less expensive to recompile to iOS. Or buying into a by comparison horrendously expensive phone with a none replaceable battery will be a cheaper option than paying M$ for another years support after official support ends after all who keeps phones which are getting kicked around daily longer than three years or doesn't have a service contract that replaces their phones periodically. Perhaps the current IT department or at least whoever signed off on the replacement plan needs a reality check?