Can't run apps built with 2.70 on my device and/or device system update insists it is up to date

[DraperDanMan]

OS 2.7.0 Firmware has been taken down for now

Hey all, we pulled the firmware for 2.7.0 after an issue was discovered. We hope to have a 2.7.1 SDK/OS available in a few days.

Top thread in announcements.
fallback to using 2.6.2 for now or only running in sim