There are two ways to connect your Miura 020 card reader to the Blink app:
via Bluetooth
via Wi-Fi
Connecting your Miura - WiFi
First, we need to connect the card reader to the Wi-Fi network.
Press the green button (✔) to turn on the card reader (or wake it up from standby mode),open the menu by pressing the yellow 'left-pointing arrow' button,
select 'Wi-Fi Config' by pressing the '2' button,
select 'Add Network' by pressing the '3' button,
select the network from the list
use card reader keys to enter the network passphrase, confirm, and do not exit the network info screen
go to app settings -> Card reader
tap the 'ADD WI-FI CARD READER' button and enter PORT and IP ADDRESS information displayed on the card reader
Connecting your Miura - Bluetooth
Press the green button (✔) to turn on the card reader (or wake it up from standby mode),
open the menu by pressing the yellow 'left-pointing arrow' button
select 'Bluetooth' by pressing the '1' button
select 'Start Pairing' by pressing the '3' button
go to your mobile device Settings -> Bluetooth and turn on the Bluetooth connection,
select the card reader from the list of available Bluetooth devices.
A PIN will display on the screen of the mobile device.
Compare it with the passkey displayed on the card reader, it needs to be the same key.Press Enter (✔) on the card reader to confirm that the PIN and the passkey are the same.
Click OK on the mobile device to complete the pairing. Select it to pair.
Here's how to unpair a Miura M020 card reader from the device:
open the menu by pressing the yellow 'left-pointing arrow',
select 'Manage Pairs' by pressing the 2 button,
select the device by pressing the button displayed next to the listed device,
confirm with the green button (✔).
Note: The Bluetooth connectivity range is limited so we highly recommend keeping the card reader as close as possible to its paired device during the course of payment to avoid any errors.