How to Get a Sinnoh Stone in Pokémon GO

Pokémon Go's Sinnoh Stone is a unique evolution item that changes current creatures into Gen 4 versions, such as making fan favorites Togetic and Magmar more powerful. Some other unique evolution items are the Metal Coat for Steelix and Scizor, the Dragon Scale for Kingdra, the King's Rock for Slowking and Politoed, and the Up-Grade for Porygon2. These items are great additions to the game's evolution system.
Pokémon GO: How to get a Sinnoh Stone?
Pokémon Go provides players with a few ways their monsters can evolve, such as via special items that include the Sinnoh Stone. Such stones are hard to find and obtainable by ways such as occurrence in the wilderness or attending Raid Battles. The creatures do, however, also have monsters available for purchase simply by evolving their parents with other specific items.
There are four possible ways to get a Sinnoh Stone:
Pokémon that can evolve using Sinnoh Stones
Many Pokémon from Kanto, Johto, and Hoenn regions have Sinnoh evolutions from Sinnoh Stones, as listed below.
How to evolve the Sinnoh Stones?
Here are the steps one needs to follow to evolve any chosen Pokémon with a Sinnoh Stone:
Obtaining Sinnoh Stones in Pokémon GO is not easy because rewards are unpredictable and items cannot be purchased from the in-game shop. Methods have to be repeated and rinsed in order to acquire these precious stones. It is also important to know which Pokémon to evolve with a Sinnoh Stone to get the best results.