Go to dewford beat the gym leader brawly and then go to the cave and talk to the man inside the cave and he will give u flashbut if u haven't beat brawly then u can't use it at dewford
No, Zubat cannot learn Flash.
The following Pokemon that you can easily get to learn Flash in Sapphire: Beautifly or Dustox Lotad or Lombre Oddish Gloom
You cannot get Flash Cannon in Sapphire, it was a new move made for Diamond, Pearl and above. It wasn't made when Sapphire, Ruby, Emerald, Leaf Green or Fire Red came out.
Find an Abra to give flash in the cave in dewford.
go to a man in purple in a cave.
steven and if you talk to the men he will give flash
When a Pokemon has the move Flash, you go into Party, then select the Pokemon with Flash using the 'A' button and there should be an option that says "Flash". It is only usable in dark locations or within battle.
Upon entering the Dewford cave, there should be a hiker guy right by the entrance. Talk to him and he should share Flash with you.
mostly phychic types like Abra
try it on normal or your nonfavorite pokemon Try on a pikichu
there are many MANY Pokemon that can use the hm flash in Pokemon sapphire. the following Pokemon can: grovile( treeko),kirlia(ralts)shroomish, eletrike, Roselia, plusle, munun, magnemite, voltorb and many more
he is in a cave left of lilycove city. In ruby and Sapphire you have to use fly in the middle of the room, in emerald you use flash in the middle of the room to unlock the room he is in.