If you dont see aBuddy HistoryorBuddyoption, you may need to update thePokemon Goapp to its latest version.
Heres how to swap your buddy Pokemon.
From the main map screen, tap your current buddy Pokemons icon in the lower-left corner.

Alternatively, select your buddy Pokemon directly from your trainer profile screen if you already have that open.
Scroll down to the bottom of the screen and selectSwap Buddies.
Find the Pokemon you want to add as your new buddy and tap it.
What Is the Point of Having a Buddy in Pokemon Go?
The feature works much like the similar features in the various mainline Pokemon video games on theNintendo Switchand3DS consoles.
From the main map screen, tap your buddy Pokemons icon.
Tap your buddy Pokemon to have it react excitedly to you.
Drag your finger back and forth to pat it.
If youre patting your Pokemon buddy correctly, you should see sparkles.
After several seconds of patting, a bright light should surround your buddy, and a heart will appear.
This heart will go toward your buddys friendship level.
To feed your Pokemon buddy, tap and drag berries from the lower menu to your Pokemon.
One Silver Pinap Berry, one Golden Razz Berry, or one Poffin will also do the job.
Your buddy may also direct you to spin certain Pokestops to earn hidden prizes and earn bonus hearts.
Does Swapping Buddies Lose Progress?
The usual stats that reset at the end of each day will also clear with a swap.
Does It Matter Who Your Buddy Is in ‘Pokemon Go’?
It doesnt really matter at all who you choose to have as yourPokemon Gobuddy.
At the end of the day, it comes down to what your particular aims are within the game.
Many players even use the buddy feature as a kind of fashion accessory.