Can I replace a retina LCD that is not working with one that is a non retina display just for test purposes?

Question says it all, is the 3rd generation iPad mini digitizer the same as the first two, interchageable like?

Don't heat up adhesive tabs used to hold down batteries of iPhone 5s, 6 Etc. These are command strips from 3m and become brittle when heated. If you break them off gently pry up on battery using plastic pry tool or isesamo. Be extremely careful not to puncture battery. I get the battery up enough to use curved tweezers and grab a hold of that command strip and pull directly away from itself.