What is the current security update your phone is on @mondiuk ?
Was the phone purchased from a local store in your country or possibly imported ?
One option is to try Samsung Smartswitch.
Another is to visit a Samsung Experience Store or Samsung Service Centre for support.
Current Phone ~
Samsung Note 20 Ultra 5G SM-N9860_256Gb SnapDragon 865+
Samsung One Ui 2.5/ Android 10.
A71 is scheduled to get quarterly updates. My A50 used to get regular monthly updates till about a couple of months back, guess it's changed now.