These hex changes let you get a message (respectively the correct message) when storing the L4 sword or silver arrows into a chest and disable the fairy Pond upgrade.

Hex changes:

Silver Arrows:
At 04/4353, change FF FF into 91 00  

L4 Sword:
At 04/42e3, change 52 00 into 93 00 (Native Boomerang message still untouched at 04/42f5 (52))



Disable fairy upgrade

Silver Arrows:
At 03/4909, change D0 into 80

L4 Sword:
At 03/4920, change D0 into 80