Samsung S24 Ultra /iphone13-15 Case 4 Colors AI Eink Case Display Picture Changeable Battery Free NFC e ink Case - Posted 32 days ago

* 4 Colors eink sereen display phone case
* Mobile APP NFC refresh transmission technology
* Your own DIY mobile phone case, supports taking photos/picture uploads/ChatGpt AI (4 colors support) picture generation and transmission
* No battery or network required, one-click updates anytime, anywhere.

1. Thank you very much for choosing our products. It is not easy to run an online store and do business. We have to deal with various problems every day. When you get our products and don’t know how to use them or encounter problems, please contact us as soon as possible and assist us in solving the problems. We will actively deal with your problems and give you a satisfactory answer. Please do not initiate disputes or return products immediately. This is the greatest help and support for us. Thank you very much.

2.We have been deeply touched by all the customers who buy our products. Our products are based on the great invention of Samsung mobile phones. They do not require batteries. They are electronic paper displays, not high-definition display screens. The clarity is determined by the characteristics of electronic paper. In the electronic paper industry, we are the best. Our products have been 100% rigorously tested. When you encounter a problem that the product cannot be used normally, please provide us with a complete operation video or picture of the product not working properly so that we can give you an accurate solution.

3. About product use: Please use your mobile browser to scan the QR code in the product box, install the correct APP, and then follow the instructions in our manual step by step. Please make sure that your phone has enough power before using the APP, because refreshing the image with the APP will obtain the required power from the phone through NFC.

4. When removing or installing the phone case, please refer to the instructions in the figure below. Please do not bend the screen, otherwise the screen will be damaged and unusable.