# xDrip+ and re-calibration issues
**URL:** https://forum.fudiabetes.org/t/xdrip-and-re-calibration-issues/7213
**Category:** Apps
**Created:** [April 12, 2019, 4:37pm UTC](https://forum.fudiabetes.org/t/xdrip-and-re-calibration-issues/7213 "2019-04-12T16:37:37Z")
**Posts on this page:** 9
**Page:** 1
### Author:  [@Headlands](https://forum.fudiabetes.org/u/Headlands)
#### Post date: [April 12, 2019, 4:37pm UTC](https://forum.fudiabetes.org/t/xdrip-and-re-calibration-issues/7213/1 "2019-04-12T16:37:37Z")
Hi all, the calibrations I make sometimes don’t stick, which has been happening from the beginning of my xDrip+ use (a few months ago) – unfortunately I’ve always had to re-calibrate it at least once every few days (over a number of sensors), which is annoying but a tradeoff I would grudgingly be willing to make if necessary. Is there way to keep this from happening? I despise the Dexcom app but it did stay quite accurate over the full sensor life, so hopefully I can do something to get xDrip+ to stay that accurate without needing to re-calibrate and then worrying about whether I’m seeing the right reading.
This time I tried starting it up with the receiver at the same time when I started the newest sensor, but the issue remains.
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### Author:  [@Chris](https://forum.fudiabetes.org/u/Chris)
#### Post date: [April 12, 2019, 4:55pm UTC](https://forum.fudiabetes.org/t/xdrip-and-re-calibration-issues/7213/2 "2019-04-12T16:55:02Z")
I believe you can have XDrip+ use the same algorithm as Dexcom, or you can choose to use other algorithm’s. Are you using the Dexcom one?
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### Author:  [@Headlands](https://forum.fudiabetes.org/u/Headlands)
#### Post date: [April 12, 2019, 5:27pm UTC](https://forum.fudiabetes.org/t/xdrip-and-re-calibration-issues/7213/3 "2019-04-12T17:27:02Z")
Is that the “Native Algorithm” setting? If so then I do have that enabled, yes.
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### Author:  [@elver](https://forum.fudiabetes.org/u/elver)
#### Post date: [April 12, 2019, 5:56pm UTC](https://forum.fudiabetes.org/t/xdrip-and-re-calibration-issues/7213/4 "2019-04-12T17:56:45Z")
@Headlands if you are using XDrip in conjunction with a Tandem pump, you can force the calibration through the pump. On the next sensor push, XDrip will follow the pump calibration.
@docslotnick might also have suggestions. You could PM him…
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### Author:  [@docslotnick](https://forum.fudiabetes.org/u/docslotnick)
#### Post date: [April 12, 2019, 6:41pm UTC](https://forum.fudiabetes.org/t/xdrip-and-re-calibration-issues/7213/5 "2019-04-12T18:41:49Z")
@Headlands If the calibration does not sync up with the calibration table, xDrip+ will reject it on the G6. Sometimes the blood test does not even stay in the main screen graph as a small square.
If it really bothers you, you can turn off native mode and see if that helps.
As you can see, calibration is a different animal on the G6.
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### Author:  [@elver](https://forum.fudiabetes.org/u/elver)
#### Post date: [April 12, 2019, 10:25pm UTC](https://forum.fudiabetes.org/t/xdrip-and-re-calibration-issues/7213/6 "2019-04-12T22:25:33Z")
I think the calibration issue @Headlands is speaking about also exists on the G5, at least for me. If the Calibration figure is outside the expected scatter I get an Error 17/Rejected message. I just force calibrations through my pump so I don’t have to deal with the rejected calibrations.
I also use the Contour Next One which plots the data point regardless of XDrip’s rejected calibration. I generally add a contextual note so my care team has an idea of what’s going on when they examine the data on Tidepool.
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### Author:  [@Headlands](https://forum.fudiabetes.org/u/Headlands)
#### Post date: [April 13, 2019, 5:07am UTC](https://forum.fudiabetes.org/t/xdrip-and-re-calibration-issues/7213/7 "2019-04-13T05:07:35Z")
What does that mean exactly: Sync up with the calibration table? I can’t trust it all of the time, which is dangerous, so if I can’t remedy it then I can’t use xDrip+ reliably…which would be awful due to the unbelievably poor Dexcom app.
I’ll try turning off native mode and see if that makes it work properly.
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### Author:  [@WayTooSweet](https://forum.fudiabetes.org/u/WayTooSweet)
#### Post date: [April 13, 2019, 5:35am UTC](https://forum.fudiabetes.org/t/xdrip-and-re-calibration-issues/7213/8 "2019-04-13T05:35:20Z")
What Dexcom version are you using?
What version of xDrip are you using? Last stable was in January. Are you using a more recent version?
Without this info, who knows?
Sorry, but not nearly enough info to help you.
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### Author:  [@Headlands](https://forum.fudiabetes.org/u/Headlands)
#### Post date: [April 13, 2019, 6:57am UTC](https://forum.fudiabetes.org/t/xdrip-and-re-calibration-issues/7213/9 "2019-04-13T06:57:49Z")
I stopped using the Dexcom app months ago and xDrip is whatever the latest version was 8 days ago when I downloaded and reinstalled from scratch, 1904011302.