If you plan to remove a whole wall of tiles try tapping the edge of each one with a.
How remove wall tiles.
The method used to attach the tiles to the wall affects the way the tiles come off.
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.
Try to locate a loose tile.
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.
Chisel tiles away from the wall.
In order to remove wall tiles one needs several tools.
This approach should let you save more of your tiles for reuse unless the tiles are.
A hammer a good chisel with two ends and a scraper.
Special tools are available.