With the release of build 14926 today, a handful of users have reported seeing a "No SIM" message on their device after completing the install.
As this is not a scenario that was hit internally, we'd like your assistance in tracking this down.
If you're experiencing this issue, please post the following:
Also, please check in the Feedback Hub and +1 a submission for this issue. If you do, please share a link to that feedback item so we can review.
Thank you as always,