For an easy way of adding networks to MetaMask, go to chainid.network, where you can connect MetaMask and add networks with only a few clicks. See our guide for more information.
Also, please note that adding a network on one device does not mean it will appear on another device when accessing the same account. If you add it on Extension, it will not automatically be added to your MetaMask Mobile app, and vice versa.
Custom networks will also need to re-added if you uninstall the browser extension or mobile app (after which you'd need to restore your wallet using your Secret Recovery Phrase).
From here, you should see a list of popular networks ready to add (unless you've added the network already). Tap 'Add' to start the process, and follow the prompts.
The following are instructions for establishing these connections manually:
Extension
Mobile
Click on the network selector button. This will display a list of networks that you've added already.
Click 'Add network':
MetaMask will open in a new tab in fullscreen mode. From here, find and the 'Add network manually' button at the bottom of the network list.
Complete the fields and click'save' to add the network.
The details for the above fields can be found in our network profiles or docs (i.e. developer documentation) or how-to guides for each network. For example:
A Remote Procedure Call (RPC) is a software communication protocol that one program uses to request a service from another program located on a different computer and network, without having to understand the network's details.
You can connect to a custom network by following these steps:
Go to MetaMask's website and download the MetaMask wallet. ...
After installing and securing your 12-word secret recovery phrase, a) click on Ethereum Mainnet at the top of the MetaMask wallet screen and b) select Add Network.
A Remote Procedure Call (RPC) is a software communication protocol that one program uses to request a service from another program located on a different computer and network, without having to understand the network's details.
Open your wallet and go to the "Add network" page.
Enter the required details and click "Save". After entering all the required details, you can click "Save" to add CORE to MetaMask. CORE. https://rpc.coredao.org/ 1116. CORE. https://scan.coredao.org.
Find the network on https://chainid.network/ to add it to MetaMask automatically. You can also add custom networks to MetaMask manually using a few other methods: see our instructions here. Always verify custom network information.
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