What should I do if I can't register for my cellmate 2?

First, please also make sure you download the right app.
If you use Android phone, please search "Qiui" in google play or APP store.
You can also download it from below link if you use Android:
When register and you fill in your phone number, please don't fill in with "0" or blank.
If still can't register, we will help you:
Please provide your phone number to our email at contact@cellmatecage.com, I will let our technology to register it for you manually.
You can change your username or password later by yourself.
Our warranty policy or service only covers for purchases that are made on our website.