Probably you know what you meant here, but for clarity to new readers:
There's two completely different cables that have been supplied 'free' with the car - some people got only one or the other, but I think current deliveries get both:
- A Type2-Type2 cable. This is a simple dumb cable with Type2 connectors on each end and nothing in the middle. It's used for plugging into socketed chargepoints - so almost all public slow charging apart from Tesla's Destination Charging, and optionally at home if you choose to get a socketed rather than tethered chargepoint installed there.
- The "Tesla Mobile Connector" (sometimes called UMC). This has a type2 connector on one end to go to the car, a box in the middle with safety circuitry, and a number of adapters that can be plugged into the other end to fit various kinds of standard (non-EV) socket. Its primary purpose is plugging into domestic sockets in places you visit without charging - you get the UK 13A plug adapter as standard.
Among other adapters, Tesla sell a "Schuko" (Germany etc.) and a "France". These actually look identical, and the "France" is perfectly OK for use in Germany; you need BOTH of them for France. The trick here is that in german sockets (earth contact on the side) the plug will fit either way round, so if it doesn't work one way you try again the other way up; in France the sockets have an earth pin in the middle that makes the plug only fit one way, so if you need it the other way round you use the other adapter (which has the wiring reversed). Alternatively, you take just one of them and a French->german extension lead so you can use that to do the reversing. Or you take a screwdriver...
I've heard that Model 3 comes with a new-generation UMC that only does single phase, but I'm not sure of the details.