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Upgrading your OBDSTAR D800 A+B Version to the A+B+C+D version means adding support for Inboard engines (C) and Generators (D) to your existing Jet Ski (A) and Outboard (B) capabilities, which is done through an **online software authorization service** purchased from an authorized dealer like {Link: OBDSTARStore. After purchasing the upgrade service (often a one-year subscription), you provide your device's serial number for activation, and once authorized (usually within a day), you just restart the D800, connect to Wi-Fi, and run the update via the "DP" menu to get all functions.
How the Upgrade Works:
Purchase the Service: just Talk With us
Provide Serial Number: You'll need to email the seller your device's serial number (found on the back or in the info menu) for activation.
Authorization: The seller activates the full A+B+C+D license online, usually within one business day.
Update Device: Restart your D800, connect it to the internet (Wi-Fi), go to the DP menu, and select "Upgrade" to download and install the new features.