How Can I Transfer All My Photos And Everything To A Different Phone

Transfer content from an iPhone, iPad, or iPod touch to a new device.    

 Quick Start to transfer data from your previous iOS device to your new iPhone, iPad, or iPod touch. 

Set up your iPhone, iPad, or iPod touch - Apple Support

Make a backup of the first phone. See About backups for iPhone, iPad, and iPod touch https://support.apple.com/en-us/HT204136. I would make a computer backup.

And, then restore the backup to the second phone. See:

Restore your iPhone, iPad, or iPod touch from a backup https://support.apple.com/en-us/HT204184

Restoring an iPhone, iPad, or iPod touch backup from iCloud or from a computer when a later version of iOS is required https://support.apple.com/en-us/HT203434

How to Restore Backup of Old iPhone to a New iPhone https://smallbusiness.chron.com/restore-backup-new-iphone-53329.html