LEGO Harry Potter: Years 1-4 iPhone/iPad Cheats and Tips

1. Use your magic to turn on the red valve above the right side toilets, it’ll set the toilet seats hovering off with the water.
2. Jump on the left most stall, a reaction will happen, causing the locked toilet to burst out with an item that will be needed to water down the flower on the left side stall.
3. Flowers will burst out into several pieces, use your magic to build it.
4. The middle stall will be opened after that, revealing the apple ingredient.

1. In order to open things with red sparkles, you have to use dark magic
2. To use dark magic you need to use the Polyjuice Potion first.
3. Evil characters’ Wingardium Leviosa spell will change into Crucio curse that can destroy the red sparkles.

There will be a corkboard in the Leaky Cauldron, to the left of the door to Hogwarts. Stand there to select any of the previously completed levels, you can replay them in story or free play mode.

1. Go back to the first level after you get Reducto on Year 4.
2. After you ride the cart down to Harry’s vault, open that vault on the right.
3. Use Reducto on the chest to get the character token for Griphook.
4. After that, proceed to Madam Malkin’s in Diagon Alley.
5. Purchase Griphook then head back to the leaky cauldron.
6. Go to Year 2 level 6 next (in Free Play mode) and finish the fight with the basilisk.
7. Open the locked safe using Griphook, and you should be able to unlock Tom Riddle when it opens.
8. Purchase Tom Riddle from Madam Malkins.
9. Use Polyjuice potion on Tom Riddle to use him.

Apparently there is a known glitch / bug in the game regarding on Polyjuice Cauldron not unlocking, what you can try is:
1. Return to the Leaky Cauldron and go upstairs to watch the movie before the Polyjuice video.
2. This will return you directly back to Hogwarts with the characters to move around.
3. This method will let you unlock the Polyjuice Cauldron without being stuck.