General:
SIM cards from the provider beachSIM do not currently work with the Pro-finder. If these SIM cards are used with the Pro-finder, this may result in SMS messages being sent repeatedly due to problems with confirmation and delivery. beachSIM is currently working on this problem. Until a solution is found, SIM cards from beachSIM must not be used with the Pro-finder.
Austria:
Some cards from A1 do not work in Pro-finder. They have a 3G (UMTS) version of the SIM that sends text messages differently. Pro-finder cannot work with these cards. Older cards from A1 work. The prepaid version from A1 has worked in all known cases thus far except for automated querying of the balance, as described in the table.
Switzerland:
The following do not work: normal Swisscom, Swisscom-Prepaid, M-Budget, Orange.
The following work reliably: Salt PrePay, Sunrise Prepaid airbag, Sunrise Prepaid Unlimited.
5G SIM cards:
5G SIM cards must be activated for 4G use by the network operator. Please contact the customer hotline of your SIM card provider or network operator directly.