Flash HM-10 and BT-05 firmware
The HM-10 and BT-05 modules are cheap bluetooth modules that can be used in various situations, like with an Arduino board. But most of the cheap ones use a buggy firmware that make them incompatible with Android 8. There’s a way to fix it though. If you want to know more about the bug, this blog article contains really good information. The whole thing is actually a bit of a mess, because chinese manufacturers or sellers sometime mislabel the products. What’s important here is that the main chip used by your module is from the CC41 family. It’s often the CC2541. ...