<!-- from fixya rte -->How do I delete photos from Gallery back up - Samsung S5830l Galaxy Ace Black Unlocked Gsm 3g 5mp Wifi Android Cell Phone 2gb

To delete photos in your gallery on your zte phone, if you don't want them to be recovered by a third-party program, you can ask help from a phone data eraser program. With its help, you can access photos in your gallery and choose what you want to delete. And the deleted photos can not be recovered. Android Mobile Eraser Wipe off Everything on Your Android Device

Use the "My Files" app to reach them. or download the "X-file' app that can view almost any part of the phone's internal memory.

Most photos are inside the DCIM and Camera folders.

If you look in "my files" folder and find the file 'DCIM" then click camera.. you can delete all the images from their,

On your phone in Settings>Accounts-Google>[your Google account], make sure you unchecked either Picasa, Google Photos, or Gallery (which are all possible sync options for the stock Gallery app). Google Photos is actually different from Google+ Photos, if you see both in that list. Google+ Photos syncs with the Photos app.
Once you've confirmed that you've unchecked the correct option, then go to the App Manager, select Gallery, and Clear Cache/Clear Data, then force stop. Now open Gallery again. The database should repopulate with your local photos, but not the cloud photos.

Bring up the photo in my gallery hold your finger on the photo , then drag it down to the to the bottom of the screen into the rubbish bin, that pops up.

Hello Jody,
Are you currently using a Micro SD storage card in your Virgin Mobile device? If so, you may have to enter your internal setting and delete the photos from the storage device.
If not, you may attempt to delete the photos and then perform a hard reset on your Virgin Mobile device, either by removing the battery for ten seconds or pressings and holding the power/lock screen button until the device powers off.
Thanks,
Dish Guy

Open file explorer app and navigate to gallery and delete them.

If you dont have a file explorer app go to the google store and search for file explorer - install it and hey presto.

Connect it with your USB. You can then go into it like a storage drive. Then either choose Instagram or DCIM folder to access the folder. Delete the photos you don't want to keep.

You may try this mobile phone photo recovery software which helped me before. You may check out this tutorial
Mobile Phone Data Recovery

Please be noted that your phone memory should show as a drive letter in your explorer, if not, you need to take out your memory card and connect using a card reader, or plug-in to card reader slot if there's any on your computer.