# "Dumb" CGM questions **URL:** \ **Category:** C/GM\ **Created:** [December 28, 2019, 6:46pm UTC](https://forum.fudiabetes.org/t/dumb-cgm-questions/8991 "2019-12-28T18:46:45Z")\ **Posts on this page:** 1\ **Showing post:** 14
**Author:** ![bkh](https://avatars.discourse-cdn.com/v4/letter/b/da6949/32.png) [@bkh](https://forum.fudiabetes.org/u/bkh)\ **Post date:** [December 31, 2019, 3:03pm UTC](https://forum.fudiabetes.org/t/dumb-cgm-questions/8991/14 "2019-12-31T15:03:23Z")
People have found ways to restart an old sensor so the system thinks that you have changed to a new one. It is becoming more difficult to do as the FDA requires Dexcom to take technical measures to try to prevent it, because of concerns that an old sensor will eventually become dangerously inaccurate. Here are a couple articles, but you may wish to search for “restart g6 sensor” on this site or on the entire internet to learn more. > [@Recommend how many times you restart Dexcom G6 sensor](https://forum.fudiabetes.org/t/recommend-how-many-times-you-restart-dexcom-g6-sensor/8606): > > @Eric@docslotnick I’m using Dexcom G6 with the Dexcom receiver (have Android phone) and have successfully restarted the sensors without any additional software. (I’ll put it below for those who are interested) My question is how many times do you think it’s healthy to restart, as in healthy for my arm (placement). I’ve done a 1 time restart on several sensors i.e. got 20 days out of it, but am worried if longer might start being “bad” for the tissue at that location. Anyone have an opinion? H… > **[Restarting Dexcom G6 sensors – Updated](https://seemycgm.com/2019/08/01/restarting-dexcom-g6-sensors-updated/)** > > Awhile ago, I posted a page about how to restart your Dexcom sensors to last beyond 10 days. There’s need for some updated discussion on the topic. For clarity- let’s take one quick asi… --- _[View the full topic](https://forum.fudiabetes.org/t/dumb-cgm-questions/8991)._