If you have trouble adding your Ledger to polkadot.js according to these instructions, and the loading icon just keeps spinning, please try the following: 


  • Close the DOT app and restart your Ledger device
  • Open the DOT app on your Ledger device before you click on the Add Ledger button on polkadot.js
  • Make sure your Ledger Live app is not open at the same time



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