Hello ELSolo123,
Thank you for reaching out to Apple Support Communities. We are happy to help you!
We understand you are having trouble with deleting photos from you iPhone.
Even though iCloud photos are not turned on, it is possible that you may still have your photos linked through other devices that you are signed into with your AppleID.
We have provided you with a few different articles to assist with the issue at hand:
Delete photos on your iPhone, iPad, and iPod touch
"If you add photos to your iPhone, iPad, or iPod touch by connecting your device to your computer, you can't delete them directly from your device in the Photos app. If you see the gray Trash button
when you try to delete a photo from your iPhone, iPad, or iPod touch, you might need to stop syncing photos from your computer. Learn how to stop syncing photos from your computer."
Sync your photos manually using the Finder
"Turn off Finder syncing
If you don't want the synced photos on your iPhone, iPad, or iPod touch anymore, turn off syncing in the Finder and they'll be removed from your device. You can turn off syncing for some of your photo albums or all of them at once.
Stop syncing some albums
- Open a Finder window and connect your device to your computer using a USB cable.
- Your device appears in the sidebar of the Finder window. Click the device to select it.
- If prompted, trust your device.
- Click the Photos tab below your device's information.
- Choose "Selected albums" and deselect the albums or collections that you want to stop syncing.
- Click Apply.
Stop syncing all photos
- Open a Finder window and connect your device to your computer using a USB cable.
- Your device appears in the sidebar of the Finder window. Click the device to select it.
- If prompted, trust your device.
- Click the Photos tab below your device's information.
- Deselect "Sync Photos" then click "Remove photos."
- Click Apply."
Delete photos from My Photo Stream
"On your iPhone, iPad, or iPod touch
- Open the Photos app.
- Tap the Albums tab.
- Tap My Photo Stream.
- Tap Select.
- Tap one or more photos. You'll see a checkmark on the photos that you select.
- Tap the Trash icon. Tap Delete [number] Photos."
We hope this finds you well!
Cheers!