Apple Accused of Running a ‘Walled Garden’ by Canadian Legal Watchdog CIPPIC
(www.iphoneincanada.ca)
warranties on those devices can be invalidated due to no longer being within the provider’s control.
I don't know if it's different in the rest of the world. And I don't know if it's changed in the 7 years since I last worked in the industry, but in Canada, you cannot invalidate a hardware warranty based on the software that's installed. If your phone's speaker dies, it's a hardware issue and the warranty is impelled to cover it.