Following on from my previous post taking a look at the Xteink Tong Card, in this post I am looking at how you can flash the card without using the official Xteink app.

What’s the Issue?

In order to put an image on the card you need an app to select the image and then flash it onto the card using NFC. This you can do with the official Xteink app, but only if you are using the Mainland China version, which requires a Chinese phone number to register. As I don’t have one of these, I went … Read the rest

Xteink has a new device and it’s not an eBook reader! This is the Tong Card, which is still an e-ink display, but is a battery-less NFC device.

What’s a Tong Card?

I have to admit I had no idea why it was called a “Tong Card” and wasn’t 100% sure that it was so I turned to AI to explain it to me. I uploaded the image above and this is what it had to say:

Based on the image and the Chinese text, this is actually a Tóng Card (瞳卡). The confusion likely comes from the