New iPhone update brings unexpected problems for users - important functions down. Apple users also seem to have to be careful.

According to techbook.com, the latest iPhone version - iOS 17.4 - causes certain phone functions to no longer work properly. An app provider is also warning about this problem, but a solution could soon be available. Apple has not yet commented on the current errors and planned updates. The manufacturer Apple is currently also attracting attention with proceedings opened by the EU Commission against Apple, Meta and Alphabet.