I have tried to calibrate under bright sunshine as well and had failure after failure. Customer service has offered to look at it if I ship it back via registered airmail, but that costs about 90 Canadian dollars and would leave me without my phone probably for months. I'm wondering if maybe the sen...

I am having exactly the same issue at the moment. I've run the distance calibration dozens of times and it's failed the first part of the test each time. i get the messages: "Calibration fail (not get a valid value)" and: "The alsps min value exception!" Was a fix found for this ...