Metamask can't switch to Polygon network, shows wrong balance and missing tokens on ETH

Have you tried the steps in the article linked above? The same steps apply for Polygon Network

  1. Close down your browser where you have the MetaMask extension installed and open it again.

  2. Switch networks up top by clicking on “Main Ethereum Network”, selecting the Ropsten Test Network, and then switching back to Ethereum mainnet again.

  3. Execute an account reset

  4. Install MetaMask using another supported browser (Firefox, Chrome, Brave) from our official website https://metamask.io , and then try restoring your wallet using the 12 words Seed Phrase / Secret Recovery Phrase in case the issue is only present in the browser you are currently using.

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