Do I have to calibrate my Dexcom CGM on both my phone and the pump?

For the Dexcom G6 CGM: After entering the sensor code, you do not have to calibrate.

For the Dexcom G5 Mobile CGM: You must enter two calibrations (aka “double blood drop” or DBD) after the two-hour warm-up period. Both of these calibrations should be done on the same device.

After the initial DBD, you will need to calibrate once every 12 hours for the full lifespan of the sensor session (seven days) and this can be done on either device.

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