Trying signing out of icloud (iphone settings, > your name > sign out) and back in Firstly, you can reset your iphone's settings without affecting your personal data. On icloud.com, click your name at the top then press data recovery and select restore contacts.
Unlock your iphone and check for any prompts asking you to trust the connected computer Here's how to do it step by step Confirm the trust request on your iphone.
So, to fix this, first backup* your iphone and then restore** your iphone from the backup When your iphone sends incoming calls directly to voicemail or is disconnected after a ring, it might be due to various reasons This can occur if the recipient's phone is powered off, in a low signal area, or if they have enabled the do not disturb mode Additionally, the contact's number may be blocked or marked as spam.
Force a restart, and see if that clears this If asked, enter your iphone passcode the computer will start downloading the update and installing it to the iphone As said earlier, because of the download going to your mac first, updating via a mac or pc needs less free space on the iphone So when you have an iphone with almost full storage
After the erase process completes, set up your iphone as new or restore from a backup How to reset forgotten iphone passcode Ensure you have a backup before you start this process, as it will erase all data on your iphone. Resetting iphone without losing data is possible by performing a reset that doesn't erase your content, such as settings reset, or by backing up your iphone before a full reset