The Rotary Un-Smartphone is a followup to this personal project. It's a production-ready ground-up design with all new parts (yes, the rotary dial too) and many neat bells and whistles. * THIS IS A KIT, AND IT'S EXPERIMENTAL. SEE NOTE IN RED.* Pocket-sized (11.0cm x 7.5cm x 3.0cm) Light-weight (163g [6oz]) Full LTE connectivity. Obsolescence-proof for at least another decade... once I get network approvals. Access and call your personal contacts perhaps faster than with a smartphone Use your own SIM card with your favorite carrier's "Bring Your Own Device" option Real (mechanical) ringer bell made gold or silver-coated brass; externally visible Receive basic SMS messages and send pre-typed messages and numeric strings 2 displays: Front-side OLED for caller-ID and dial entry, and back-side ePaper for contacts display Physical disconnect switch for the microphone Mechanical power switch MicroSD card stores contacts list as a text file USB-C charging port Documentation: Build Instructions : The primary assembly…