All Tesla vehicles are equipped with eSIM or built-in SIM cards that provide 4G/5G connectivity for the car. This Tesla SIM works only on official markets and is useless in “gray” areas. There is no connectivity at all in non-official regions. Installing a local SIM card can solve the connectivity issue. Previously, I explained how to replace the LTE modem and install a local SIM card on the original Tesla Model 3. With the newer generation of cars (Model 3 Highland, Model Y Juniper, and Cybertr...