In an operating method of a user equipment that exchanges signals with network nodes of a cellular radio access network, a quantity that is indicative of a current operating temperature of the user equipment is measured; the user equipment determines whether a threshold value relating to the operating temperature has been exceeded; if the threshold value is exceeded, temperature information is transmitted to a network node of the cellular radio access network, to indicate that the threshold value has been exceeded; in response, the user equipment receives an instruction to use a second set of operating parameters requiring a smaller average power input for the connection to the cellular radio access network in comparison with the first set of operating parameters; and the user equipment, in response to receiving the instruction, reconfigures its connection to the cellular radio access network so as to use the second set of operating parameters.