The format of the SIM card (used for LTE/4G mobile data communication) and the memory card (used to extend the available memory of the device) is “micro”, i.e., micro-SIM and micro-SD cards shall be used.
Note that the SIM slot is only usable on the LTE/4G variants of the Nordic ID HH83 and Nordic ID HH85.
To access the cards slot, first remove the battery first.
