how do you use the avatar width expansion?

[HungryForCereal]

so i bought the expansion and i have no idea how make my avatar bigger.

 

[AnimalCrossingPerson]

so i bought the expansion and i have no idea how make my avatar bigger.

Upload a 150?100 avatar. If you uploaded your current one before buying the width extension, upload it again.

 

[LambdaDelta]

also make sure it's active in the inventory listing too