I own a fairphone 1 and after I dropped it once I was able to order a new screen. With instructions made by by the fairphone team I was able to fix my phone. I'm bitter though, because they soon switched development to fairphone 2 in a higher price class and I'm left with android 4.2.2. Many new apps on the play store stop being compatible. I believe, something like this is only viable, if the phone maker guarantees…
Regarding longer software update promises, a good number of recent Motorola phones are on either the Android One or Android Enterprise Recommended lists, so they should get security updates for at least 3 years from launch and see at least 1 or 2 Android letter OS upgrades. The Android Enterprise Recommended "rugged" devices get at least 5 years of security updates, which is quite good, although Motorola doesn't make…
all of motorola's rugged phones are designed for firstnet (private, secure LTE for emergency responders). these are relatively repairable (removable battery, screws behind the battery) but i wouldn't hold my breath for consumer models.
https://www.motorolasolutions.com/en_us/products/lte-user-de...