Did you get an error message when activating the Bold Smart Cylinder using the Bold App?

What if you can’t operate the Bold Smart Cylinder using your phone? Occasionally, this occurs. You might, for example, get the following error message: “Cannot connect via Bluetooth.” In such cases, please check if the Bold Smart Cylinder lights up in orange in the Bold App when you’re nearby. If not, it means your phone doesn’t detect the Bold Smart Cylinder, which is why you can’t operate it.

Often, you can solve this problem by completing the following steps:

  1. Get close to the Bold Smart Cylinder.
  2. Turn on Bluetooth.
  3. Close the Bold App completely and restart it.
  4. Check if the Bold App has the right permissions. On Android devices, it’s important to enable location permission. Only then, the Bold App will work properly. You can find a more detailed explanation here
  5. [Android] If you still can’t operate the Bold Smart Cylinder using your phone, the problem might be caused by overly aggressive battery optimizations. Want to know how to tackle the issue? On the following site, you’ll find tips from the manufacturer per device: https://dontkillmyapp.com/
The Bold App uses very little battery, so these kinds of optimizations are not necessary. Disabling them won’t cause any trouble — and it will ensure auto-activation works in a more reliable way.