Hello @ayunsolutions!
We can understand that it is frustrating and appreciate you taking the time to investigate and provide more information.
At the moment, Notify method is not supported, but this is a good suggestion! I’ll pass it on to the team.
Is it possible for you to update the firmware to use READ instead of the NOTIFY method? Another user had the same issue and was able to resolve it using this method. For more information, please click here.: iOS Bluetooth App doesn’t receive any data - Questions about Thunkable / BLE / BlueTooth - Community