SHIFT is a German company selling modular phones which are inexpensive to repair, and they offer tutorials alongside spare parts. Phones run on SHIFT OS, a version of Android.
Modular for easy repair.
Production happens in China.
Modular phones which are easy to repair by replacing parts, for example to change the battery or expand storage.
Closing the loop
SHIFT uses a deposit system, so you get some money back when you return your phone, regardless of the state it's in. Usable components are removed for use in other devices, and faulty ones are recycled.