Originally Posted by
swebb I do believe that you can find it by the Serial Number. Go to Settings-System-About Phone-Model & Hardware. The first digit will be the year. Undoubtedly 8, for 2018. The next will be the month. 1-9 for Jan to Sep, A-C for Oct to Dec.
Mine is 8B... Produced in Nov 2018.
Thanks, both of mine are 8A so based on that it's Oct18, the next two characters i assume are the manufacturing facility which is interesting as the two devices i have differ (DX and 2X) which means the issue i have isn't a specific manufacturing batch.