Endoscope shows a black screen on Android after an update
Your endoscope preview went black after an Android update. Check permissions, connection state, and the app version, then confirm the picture returns.
Read the guide →Knowledge base: set up and fix your endoscope
Find the symptom, follow the steps, then check the result. These articles are maintained by Technomagic; you can suggest corrections or add your experience below each one.
Search covers reviewed articles and compatibility records. Community questions are browsed separately.
Choose your symptom
No picture
Not detected
USB endoscope not detected on Android? Check the OTG switch
Many Android phones keep USB host mode (OTG) off until you switch it on, and a few cannot support it at all. Here's where to check, by brand.
Read the guide →Disconnects
Xiaomi HyperOS disconnects the USB endoscope when the screen sleeps
On Xiaomi HyperOS, the endoscope can lose power and drop the moment the screen sleeps. Here's the power policy behind it, and how to keep it connected.
Read the guide →First-time setup
How to connect a USB endoscope to Android
Check USB OTG support, UVC compatibility, and camera permissions. Follow the setup steps and troubleshoot a USB endoscope with no picture on Android.
Read the guide →Wi-Fi endoscope connected but no picture on Android?
Join your probe's hotspot, open its video connection, and check why a Wi-Fi endoscope can be connected to Android without showing a live picture.
Read the guide →