Every time that you initialize, the Aktiia bracelet measures three times your blood pressure with our Aktiia initialization cuff, and these measurements need to be in agreement. Unfortunately, during the initialization, your blood pressure varied too much, and we cannot rely on the recorded data to calculate your personal calibration parameters. The observed blood pressure variation could be due to, among others, incorrect positioning of the Aktiia Initialization cuff, speaking or changing your position during the measurements, or the fact that you did not sufficiently relax before the measurement started. Please, remove your cuff, take a long rest, and try again some minutes later paying attention to place the cuff as described in our user manual