on 04-01-2021 16:26
on 04-01-2021 16:32
Make a backup in iTunes so you can restore your new phone from it and not lose anything.
If you are recycling your old phone, you need to turn off find my iphone and sign out of your Apple ID, then do a complete reset of all data on the phone.
on 04-01-2021 16:41
on 04-01-2021 16:44
on 04-01-2021 16:44
You need to do it as I described above @Kjks92
You may also be able to backup some of your data to iCloud if needed.