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You're right there too, and the solution I'm hoping to avoid is "remove MCU and reinstall the SIM card for every service appointment". It may be the only way though.

Dave thank you this is exactly the information I'm hoping to dive on. This sounds right to me, and is the reason I have intended to make this whole process reversible. Extending the SIM socket via a SIM cable from the MCU to the dash would allow me to drive to the dealership/service center...

I've lived 40 years with cars that don't have voice commands (you could still yell at them), don't have navigation, and don't work if you lose the keys. It's not as bad as you think. One pro tip is not to lose the keys. I'll be ok but I appreciate the heads up.

I think that would degrade connectivity but not outright halt it. I'm pretty good with software but weak on the RF side. Every time I've removed antennas on digital radios I've gotten a range reduction but not a complete deactivation. If there was a way to cap the antennas so that they didn't...

Thank you. I found this video: Which shows how to upgrade the MCU from 3G to 4G and shows that both have SIM slots. I think I can put a SIM extender cable in the slot and route it out to the dash so I can remove/insert at will. Trying to contract this YouTuber to see if he knows more about...

Hey all, have done my best to search the forums before posting and I can't find this topic discussed anywhere. If I've made a mistake and there's a thread I missed, let me know and I'll take a look. I'd like to purchase a used SIM-enabled used Tesla (no eSIM) and remove the SIM card, operating...