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Firmware 2018.12 on new MCU?

So I picked up my X75D, have the MCU2, but apparently got the 2018.12. For most part, its working but connectivity is a big issue. I've got LTE signal 5 bars but no connectivity and cannot connect to wifi either. Frustrating part is I'm unable to reboot by any technique (2 finger scroll, 4 finger scroll & top buttons, power off in settings or brake and all above)
Tesla states they are working on a bug, is there a way to go back to a previous version ? It seems 2018.10.4 is working fine on MCU2
 

Daniellane

The Tesla Guy
Supporting Member
Aug 13, 2017
2,793
3,777
Camas, Washington
It appears 2018.12 is MCU1 only
I have 2018.12 + New Navigation on my MS100D March Build with New MCU.
EBE3B393-8E86-48B5-9831-174AAFC7D236.jpeg

D21383CC-AA93-46A2-AC06-997450032583.jpeg
 

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