A hammer a good chisel with two ends and a scraper.
How remove wall tiles.
Try to locate a loose tile.
Chisel tiles away from the wall.
The method used to attach the tiles to the wall affects the way the tiles come off.
This approach should let you save more of your tiles for reuse unless the tiles are.
Special tools are available.
How to remove the first wall tile once you ve removed the grout from the four edges of the tile using a screwdriver small chisel or similar tool place it at the top of the tile where the grout used to be and gently push it behind the tile you want to remove.
Removing the grout is the most time consuming aspect of this project.
Break the tile if necessary.
Of course that you can do this operation mechanically by using a drill machine with hammering function but if you want to remove the tiles without breaking them it is better to do it by hand.