Chosen Solution

I have a reconditioned 5s that may have had a battery replaced. It doesn’t have the adhesive pull tabs so I think it was jury rigged. Any suggestions for removing a stuck battery (other than heat)?

Use a syringe filled with either alcohol or acetone and squirt it under the battery to loosen the glue. Make sure it is unplugged first. No smoking allowed!

The film that comes behind screens blue or red colour i use that for everything dab it in alcohol and slide under wiggle it about loosens adhesive, I even use it to remove iPhone 7 home buttons lol

plastic credit/store card and abit of force.