Custom SIM card in Tesla Model 3 2024+, Tesla Model Y 2025+ and Cybertruck

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 Continue Reading