"What settings do I need to have the camera on for movement?"
As with almost anything camera/lenses have their limitations. There is a point when even the best gear money can buy will not take a good picture. A low end camera and a low end lens is going to be more restricted as you may realize. However, there are trade offs. You might hike up the ISO and get better stop action but the photos may suffer form more grainy appearance.
Light here is the key. You just don't have enough.
I put the selector on action but it didn’t help.
None of the automatic selections will do a good job when conditions are poor. They might work well out doors on nice days.
When conditions aren't the best you need to set the camera to do what is necessary for proper exposure. And, realize there are some conditions where it won't work.
If you don't know how to do the settings I will suggest check your T7 manual. Put the mode dial in Av. Set the lens to its widest aperture, f3.5. Set the ISO to 800 or 1600. Set the WB (white balance) to indoor. Turn on all the lights you have in the room.
You might even try ISO 3200 to see if it works but leave the other settings alone.
"My cell phone takes better photos."
And, it may be that your iphone is what you need to use. Nothing wrong with that. However, your iphone processes the image a lot, a whole lot. You can do the same with your T7 but it isn't done in the camera like it is automatically done for you in the iphone. Plus your iphone is designed and optimized for the iphone screen. The iphone uses a tiny sensor about the size of your pinky finger nail while the T7 has a much larger one. Try enlarging the picture or making a nice 8x10 form an iphone shot. Your T7 will get higher resolution photos, and has the ability to capture distance shots, motion shots, and alter aperture and shutter speed better than any iphone. You don't have the ability to readily change the lens in your iphone like you can with your T7. That is key, too. The correct lens for the shot. The iphone is always getting better and as long as you live in that 2x3 inch world and are satified there, no harm no foul.
EB
EOS 1DX and 1D Mk IV and less lenses then before!
