Does Over the Air Firmware Update (OTAFU) erase Live Cal information? Does the device need to be in RF isolation when it is doing Live Calibration?

No, OTAFU does not erase Live Cal information, so Live Cal does not have to re-run after OTAFU. However, an OTAFU from 5.1.5 or earlier, to 5.1.6 or later will run a First Time Live Cal, since 5.1.5 did not have Live Cal feature and so flash did not have any Live Cal Data.

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