You should be able to slide a putty or plaster knife underneath the tile.
How to remove tile from bathroom wall without damaging drywall.
The rock hard adhesive will be thinset a cement based product.
Chisel away tiles instead.
Have the correct tools test out a hidden spot work in small batches making sure to keep your chisel parallel to the wall so that you avoid going directly into the drywall.
To remove wall tiles start by heating up the grout between the tiles with a blow dryer so it s easier to remove.
Scrape off mastic with a putty knife.
Pry the tiles loose one at a time by pushing the trowel behind the tile and mastic.
Then make and x motion within the tile with the tile cutter.
Hold the ice against the tile for a minute or two then try prying.
The secret to removing tile backsplash easily without damaging the drywall.
Cut away the grout surrounding the tile or tiles that you want to remove.
The extreme cold may make the glue brittle and cause the tile to come off easily.
Scrape away some of the grout in a long line using a utility knife grout saw or rotary grinder.
Then use a utility knife or rotary grinder to scrape away the grout until the spacer lugs between the tiles are visible.
Work slowly and at about a 45 degree angle.
You will be peeling the outer paper layer loose from the drywall.
Fold the towel around the dry ice and twist the ends to give you a handle.
Put on protective gloves and place a piece of dry ice in a towel.
Be careful to cut away only the grout and not into the wall.
Be careful not to gouge the drywall any more.
Run the gout cutter around the tile edges in the grout area.
Carefully use the hammer and putty knife to chisel off the tiles without gouging the drywall.
This method is slower but allows you to save some of the tiles for reuse.
Next use a chisel and hammer to pry the tiles off of the wall.
Once you have removed the tiles you will see there is an adhesive beneath that is either rock hard or semi soft.
If the drywall sustained any damage during the tile removal process repair it.
Gently grind off thinset with an oscillating tool equipped with a carbide rasp.
This will further loosen the tile reducing the chances of you damaging the drywall behind it when you start removing the tile from the wall.