I recently sold a Samsung phone. Buyer received and noted to me that the charging port was flaky, meaning it worked but would disconnect etc if not positioned carefully. This was overlooked by myself as I have used wireless chargers for years now but in any case I explained that it was almost certainly some lint in the port and to pluck it out with a pin or alternatively send it back to me for a refund which he did. I got the phone back and confirmed his findings. I popped out the lint and relisted and claimed back success fees before refunding him his full purchase price including initial ...