Metamask: Add Polygon (Matic Network)
Guide to add Polygon (Matic Network) Network on Metamask (Desktop & Mobile)

Connect Your MetaMask With Polygon Network

MetaMask Settings
1) Go to the settings page
MetaMask Settings
2) Click on Networks > Add Network
3) Key in the relevant details:
For more information on how to use MetaMask with Polygon (Matic Network), check out here.
In times of congested networks, sometimes changing the RPC url helps out:
Read here on HOW-TO switch your RPC url:
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