The invention relates to a jaw grip mount equipped with theft protection for smartphones or tablets comprising: a body which forms a support surface for the smartphone or tablet; two jaws designed to grip the smartphone or tablet at two opposite edge regions and to receive the edge region in an interlocking manner, at least one jaw movable between an open position and a variable locking position and can be locked in the locking position; and a release button for unlocking the lock on the moving jaw in the closed position thereof. The invention further provides at least one actuating mechanism which can be moved between a plurality of defined and marked positions and which includes a key element which can interact only in a specific position with a complementary key element of the release button so that it is only possible to actuate the release button in this position.