I just got a brand new Chip and Swipe Card reader, it's fully paired with my Galaxy S8 and with my Galaxy Tab E tablet and on every single transaction is being decline, I called technical support and they told me about the Tip option but it was already disable, I toggle it and tried again without any success, also I did re-install the app on both devices without any luck. At the end the tech support guy just send me an email with the instructions to open a ticket on the Paypal MTS page. We'll see when they are going to come back to me with a proper solution.
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