Ever since migrating from my iPhone 13 Pro to my iPhone 15 Pro a year ago i have this problem. With 2FA active i need to enter the 6 digit 2FA code or when disabling 2FA i need the sms code. Not one of the 2 offers me the button to remember my device. This all worked before so all replies that say that this is normal are so wrong since it worked for years before that. Because no one could help me and the support most of the times dont even understand the problem i did some digging and i found a few things. First if i disable 2FA so only sms codes are send and i completly reset my phone i get the option to remember the device and it also seems to work then. But if you then remove the remember device via the website the option to remember it NEVER returns. Also if 2FA is enable i never get the option to remember it. My thinking is that the device identifer is somewhere in their database and you cant remove it from there this the remembered devices lists seems to be imcomplete and buggy. Also they seem to store the device identifier in the iOS backup but something went wrong when i transfered from my 13 pro to the 15 pro which messed up the trusted process. Sadly the support cant seem to help remove all data completly and you dont have any option to reach anyone else. Also acording to some german posts there were supposed to be changes in august so that you can remember device when using 2FA but this seems to do nothing for me. Its so crazy that there are so many reports of this bug but all the time they say its normal or that a device needs time to be trusted. How many more years till this will be fixed? Edit: One more thing the App seems to be trusted enough that it can allow other logins which is wierd.
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