The present invention relates to a holder for a clamshell-type mobile phone with two parts connected to each other and foldable onto each other by a hinge. The holder includes a holding structure having two opposing sidewalls for releasably holding one part of the mobile phone. The holder includes a lower sidewall with a connector configured to connect to a corresponding connector of the mobile phone. The two opposing sidewalls and the lower sidewall together define an inside portion of the holding structure. The two opposing sidewalls respectively include a protruding element protruding towards the inside portion of the holding structure and configured to engage into respective apertures of the hinge of the mobile phone.