Let's talk about this device... Some links:

• https://unphone.net/
• https://shop.pimoroni.com/products/unphone

The unPhone has been developed by Hamish Cunningham of the University of Sheffield‘s Department of Computer Science in the Faculty of Engineering, in partnership with Pimoroni Ltd. and Gareth Coleman (of BitFIXit and Reyt Repair).

Core Specifications

• ESP32S3 microcontroller (with 8MB flash and 8MB PSRAM), wifi and bluetooth
• RFM95W LoRa Module from hoperf that integrates the Semtech SX1276 LoRa transceiver, 868/915MHz
• 3.5" (320x480) HX8357 LCD with XPT204 touch controller
• Infra-red LED’s
• Vibration motor
• LSM6DS3TRC Compass/Accelorometer
• 1200mAh LiPo battery with USB-C charging
• SD card slot
• Power and reset buttons
• • A robust case

It's open hardware and open source software and comes with a 300 page textbook on the IoT.

I have ordered it and will try to get MicroPythonOS supported...