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I have build a webapp to MINT our ERC721 token using Webflow. It works fine on desktop but the window.ethereum is never injected on mobile (browsers & metamask application) Here is my code to detect the provider:

  detectEthereumProvider().then((result) => {
    if (result) {
      web3 = new Web3(result);
      handleEthereum(result);
    } else {
      setupOnboarding();
    }
  }).catch((error) => { console.log(error); });

On mobile setupOnboarding(); is always called as window.ethereum doesn't seem to be injected. Mobile is Android 10 Huawei P30. Tested Chrome, Android & Metamask in-app browser. There is no CSP set for the website, CORS is set to strict-origin-when-cross-origin (cannot change it).

I've tested the same mobile on pancakeswap, it works in Metamask in-app browser but not Chrome (provider not found when clicking Metamask).

Any help would be appreciated I've been stuck on this :(

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  • I am doing something similar but I cannot connect my token with metamask from the mobile, can you help me please
    – juya2006
    Feb 9, 2022 at 6:02
  • Did You Resolve ? You show how to make it work im stuck on that too. Thanks a lot !
    – Vadim Chilinciuc
    May 5, 2022 at 22:10

1 Answer 1

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The website was behind temporary Webflow auth to keep it from prying eyes, so just dropped the auth and it worked :)

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