# Shelly update 3.12v not connecting **URL:** \ **Category:** Devices\ **Tags:** app, homey-pro\ **Created:** [September 12, 2022, 6:10pm UTC](https://community.homey.app/t/shelly-update-3-12v-not-connecting/68779 "2022-09-12T18:10:12Z")\ **Posts on this page:** 1\ **Showing post:** 7
**Author:** ![Philip\_Montgomery](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/philip_montgomery/32/12434_2.png) [@Philip\_Montgomery](https://community.homey.app/u/Philip_Montgomery)\ **Post date:** [September 15, 2022, 8:22am UTC](https://community.homey.app/t/shelly-update-3-12v-not-connecting/68779/7 "2022-09-15T08:22:56Z")
![Screenshot 2022-09-15 090651](https://us1.discourse-cdn.com/flex025/uploads/athom/original/3X/4/c/4c685140452e47bd2e89672e1444c2adc539c923.jpeg) ![Screenshot 2022-09-15 090620](https://us1.discourse-cdn.com/flex025/uploads/athom/original/3X/a/5/a554df169107b2663820f3474960d06cf234e915.jpeg) That’s when trying to re add one of my two sensors, haven’t removed the other one yet. In the shelly phone app I did perform a reboot of that one sensor via software, made no difference. I then tried resetting it and re adding it to the Selly phone app. That app was able to see and re-add it but now both it and my other sensor are marked as offline, I hadn’t done anything with the other sensor. TBH I am no longer a fan of shelly battery devices, because the batteries are not that easy to find, they cost as much as the sensors themselves and the battery life when used outdoors (in s shed/garage) is less than half what is claimed. Have ordered a Frient pro door sensor for comparison, I can use rechargeable batteries in it --- _[View the full topic](https://community.homey.app/t/shelly-update-3-12v-not-connecting/68779)._