Tesla does not have wifi and the method of ota upgrade is as follows,
Tesla ota upgrade does not necessarily need Wi-Fi, with traffic can also be, through Tesla's own car 4G network or Wi-Fi can receive the \"upgrade package\". But the Wi-Fi connected Tesla will get the upgrade package push first. Because the car 4G network traffic is also paid for by Tesla, owners are encouraged to use Wi-Fi to download
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At present, most mobile phones generally choose to upgrade the system firmware by OTA, but in the automotive industry, there are few models upgraded by this method, and the Tesla Model S belongs to one of these \"alternative\".
It cannot be updated without WiFi at present. Tesla vehicles receive regular over-the-air software updates over the Wi-Fi network, constantly adding new features and improving existing ones. Software updates will continue to roll out from time to time. Tesla will notify you via the on-board touch screen and reminders on the Tesla app. To see if updates are available, click \"Controls\" > \"Software\".
Your vehicle will check for available updates and display \"Checking for updates...\" .
Updates can be made using the mobile network