After you have removed the grout between the tiles you should use the chisel and the hammer to dig behind the wall tile.
How to remove tile from a wall without breaking them.
Ease a flat bladed screwdriver or similar tool under the edging strips and gently pry them free from the tiles.
Hi earle if the tiles are firmly attached you may not be able to remove them without breaking but here s how to give it a try.
Next use a chisel and hammer to pry the tiles off of the wall.
Pry them away from the tiles rather than toward them to minimize the risk of damaging.
Start by removing all the grout using a grout saw rotary cutter oscillating tool or utility knife.
Next position a chisel in the grout line under the bottom of the tile and tap it gently with a hammer to see if the tile will pop loose be careful not to chip or crack the adjoining tile.
Removing tile from wall without breaking it.