What about all these raspberry pi hats with cell modems? Are they missing anything like usable IMEI numbers or proprietary stuff? What's stopping an RPi compute module 3G/4G/5G DIY linux phone?
What about all these raspberry pi hats with cell modems? Are they missing anything like usable IMEI numbers or proprietary stuff? What's stopping an RPi compute module 3G/4G/5G DIY linux phone?
Battery life is probably awful, mainly.
The battery life would suck? It's not about whether you can build a phone, it's about whether you can build a decent phone.