Tin Can phones have been overwhelmed since Christmas 

The Tin Can phone is designed to be a simple and screen-free way for children to connect with friends and family. But since Christmas morning, when many families unwrapped and installed the retro, landline-style phones, network issues have left many users unable to make or receive calls. 

“Ultimately, Christmas Day overwhelmed us,” says Tin Can cofounder and CEO Chet Kittleson. “We spent months preparing for it, and we just didn’t get it all right.” 

Tin Can customers on social...