Nothing is broken: you want it to last. Port, speakers, battery and temperature checked.
Dust in the port and mesh, an aging battery.
Port and mesh cleaning, a battery report and a full check-up.
It depends on the model and on what we find inside, so we quote each repair individually. The diagnosis fee depends on the device, and you approve the exact repair price before any repair starts. If it can't be fixed, you only pay the diagnosis.