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.
In Pokémon Alpha Sapphire, Flash is obtained in the Rusturf Tunnel. You can find it by speaking to a Hiker in the tunnel who will give you the TM70 (Flash) after you defeat the Team Aqua Grunt. This move is useful for illuminating dark caves and areas in the game. Make sure to have a Pokémon that can learn Flash to utilize it effectively.
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