PS：To check if the Bluetooth permission of the mobile app is turned on, you can follow the steps below:
For Android phones:
Go to Settings: Open the Settings app on your phone.
Find App Management: In the Settings menu, find App Management (it may be "Apps" or "Applications" on some devices).
Select App: Find and tap the app you want to check permissions for.
Check Permissions: Tap Permissions and check if the Bluetooth permission is enabled in the list. If not, you can manually turn on the Bluetooth permission.
For iPhone (iOS):
Open Settings: Go to the Settings app on your phone.
Find Apps: In the Settings menu, scroll to find and tap the app you want to check permissions for.
Check Bluetooth Permissions: In the app settings, check if the Bluetooth permission is enabled. If not, you can manually enable the Bluetooth permission.
After enabling Bluetooth permissions, make sure that Bluetooth is turned on on your device and that you allow the app to access Bluetooth when using it. If the problem persists, you may need to check if your device has Bluetooth connectivity issues or update the app version.
