Method for controlling the access of a user equipment to a mobile communication network , the mobile communication network comprising a plurality of radio cells as part of an access network of the mobile communication network , and the mobile communication network having a network slice and at least one further network slice , wherein the user equipment - being located, among other user equipments, in a specific radio cell of the plurality of radio cells - is attempting to gain access to the mobile communication network using the network slice of the mobile communication network usable within the specific radio cell , -- wherein an access barring of user equipment attempts within the specific radio cell is applied based on access categories assigned to such user equipment attempts such that a predetermined barring probability is applied to such user equipment attempts - the access probability for the user equipment of gaining access to the mobile communication network using the network slice is adapted compared to using a unified access control-mechanism, or -- wherein the access probability for the user equipment of gaining access to the mobile communication network using the network slice is adapted in a network slice-specific manner, wherein the method comprises the following steps: -- in a first step, a network slice priority information is stored in or transmitted to the user equipment or a secure element of the user equipment , wherein the network slice priority information indicates an adaption of an access priority, regarding the user equipment attempting to gain access to the mobile communication network using the network slice , -- in a second step, subsequent to the first step, the user equipment , using the network slice , is provided access to the mobile communication network taking into account the adaption of the access priority, wherein the adaption of the access priority - regarding the network slice by means of using the network slice priority information - corresponds to maximally increasing the access probability such that an access barring based on a unified access control-mechanism is avoided or switched off; or corresponds to increasing or reducing the access probability compared to the probability applying an access barring based on a unified access control-mechanism. -- wherein an access barring of user equipment attempts within the specific radio cell is applied based on access categories assigned to such user equipment attempts such that a predetermined barring probability is applied to such user equipment attempts - the access probability for the user equipment of gaining access to the mobile communication network using the network slice is adapted compared to using a unified access control-mechanism, or -- wherein the access probability for the user equipment of gaining access to the mobile communication network using the network slice is adapted in a network slice-specific manner, -- in a first step, a network slice priority information is stored in or transmitted to the user equipment or a secure element of the user equipment , wherein the network slice priority information indicates an adaption of an access priority, regarding the user equipment attempting to gain access to the mobile communication network using the network slice , -- in a second step, subsequent to the first step, the user equipment , using the network slice , is provided access to the mobile communication network taking into account the adaption of the access priority, <EOS>