Transferring iPhone Data Via iCloud
Hi, I am upgrading from my iPhone 6 Plus to an iPhone 11 next week. I'm going to be trading in my phone in advance before I get the new phone so I have already backed up everything via iCloud. However, I have a few questions about the transferring process.
1) When I am setting up my new iPhone and am requested to sign into my Apple ID to retrieve my backup, will I get a verification code sent to my other iOS devices that I have to enter in? Because the problem is that I am trading in my old iPhone which leaves me with no iOS/Mac device to retrieve the verification code.
2) Does iCloud backup everything? I ran into issues a few years ago where I was upgrading from a 5S to a 6+ and it didn't transfer everything completely. Like I know iCloud won't backup the apps on my phone, only the app data but like Notes, Photos, Reminders, Calendar, Health App, etc. will all be backed up right?
3) I know there is another transfer method like direct transfer or I forget what it was called but as I am trading in my old phone I want to make sure EVERYTHING is backed up before I restore it onto my new phone as I won't be able to access my old phone after I get my new phone due to trade-in.
4) Is there anything I need to do on my old phone? Like other than to reset the device, is there anything else I need to do, like unlinking the iCloud/Apple ID lock or something before I trade it in?
5) Is there anything else I need to know or should do before trading in my phone and restoring it on my new phone?
Thank you for your help.
iPhone 6 Plus