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The user should exit the Lloyds Cardnet app (force close)
Go to Settings > Apps > Lloyds Cardnet app > App permissions > enable Location permission
After doing this turn HiLite off and on and reopen the Lloyds Cardnet app.
The pairing should go smoothly.
Then, if the card reader continues to be connect, please carry out a 'flash reset' by following the below steps