Go to Solution.
Thank you so much for reaching out to us. Looks like your photos are synced in iCloud. Follow the steps below to delete your iCloud account and Find my iPhone form your old phone:
Scroll to and tap iCloud.
Scroll to and tap Sign Out.
Read the warning message and tap Sign Out.
Note: Depending on the iCloud settings the warning prompts may vary.
Tap Delete from My iPhone.
Tap the preferred iCloud Safari and contacts option.
If Find My iPhone is enabled, the Apple ID Password will be required to disable it. Enter the Apple ID Password, then tap Turn Off.
The iCloud account is now removed.
Let us know if you have any other questions or concerns.
Sprint Social Care