Are you intent on upgrading?
Do you have questions about how to move all of your data over to your new device without losing anything? Do you have some issues now? Let’s talk before any upgrades begin which can cause you to lose data if your backups aren’t right. Are you receiving someone else’s text messages or warnings that your phone hasn’t been backed up due to lack of iCloud storage? Any updates need to be put on hold until after addressing these issues.