A system comprising a mobile device and an electronic combination lock operable in a locked mode, an opened mode and a reset mode, the combination lock comprising: an electronic circuit configured to communicate with the mobile device via wireless signals, the wireless signals indicative of a combination code for operating the electronic combination lock at one of a plurality of access levels, the plurality of access levels comprising at least a first level and a second level; a touch panel arranged to receive information indicative of a keypad entry code for operating the combination lock independently of the mobile device ; a non-transitory memory configured to store a plurality of preset codes, the plurality of preset codes comprising at least a present code for the first level and a preset code for the second level; a processor configured to compare the plurality of preset codes with the keypad entry code from the touch panel or a received combination code from the mobile device and to allow access of the combination lock if the keypad entry code or the received combination code is indicative of one of the preset codes, wherein the preset code for the second level is indicative of a permission to access the combination lock , and the preset code for the first level is indicative of a permission to access the combination lock an unlimited number of times and a permission to change the preset code for all access levels, wherein the mobile device comprises a display configured with an application icon configured for communication with the combination lock via the wireless signals when the application icon is activated , characterized in that the display of the mobile device is further configured with a deactivation icon associated only with the preset code for the first level, and when the deactivation icon is activated, the wireless signals are arranged to cause a disablement of the touch panel in receiving the information indicative of the keypad (30-39) entry code. an electronic circuit configured to communicate with the mobile device via wireless signals, the wireless signals indicative of a combination code for operating the electronic combination lock at one of a plurality of access levels, the plurality of access levels comprising at least a first level and a second level; a touch panel arranged to receive information indicative of a keypad entry code for operating the combination lock independently of the mobile device ; a non-transitory memory configured to store a plurality of preset codes, the plurality of preset codes comprising at least a present code for the first level and a preset code for the second level; a processor configured to compare the plurality of preset codes with the keypad entry code from the touch panel or a received combination code from the mobile device and to allow access of the combination lock if the keypad entry code or the received combination code is indicative of one of the preset codes, wherein the preset code for the second level is indicative of a permission to access the combination lock , and the preset code for the first level is indicative of a permission to access the combination lock an unlimited number of times and a permission to change the preset code for all access levels, <EOS>