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🔌 Check USB OTG support in seconds and see which USB devices your phone detects.
Check OTG support, detect USB devices, drives, adapters and accessories.
Check USB OTG support and see which USB devices are connected to your Android phone. USB OTG Checker: OTG Connector helps you quickly check OTG compatibility, detect connected USB devices and view useful USB device information in one simple app. CHECK USB OTG SUPPORT Not sure if your phone supports USB OTG? Open the app and quickly check whether your Android device reports USB host support. USB OTG lets compatible phones connect to external USB devices such as: • USB drives • Flash drives • Keyboards • Mice • Game controllers • Card readers • USB hubs • Cameras • Audio devices If OTG support cannot be confirmed, the app avoids making a false unsupported claim. USB OTG CHECKER Use the OTG checker to quickly see whether your phone supports USB On-The-Go functionality. The app checks USB host capabilities available through Android and presents the result in a simple, easy-to-understand way. DETECT CONNECTED USB DEVICES Connect a USB accessory and see whether your phone detects it. USB OTG Checker can show connected USB devices available through Android, helping you confirm that your OTG connector, adapter or accessory is recognized. VIEW USB DEVICE DETAILS Depending on the connected hardware, view information such as: • Manufacturer • Product name • Vendor ID • Product ID • USB device class • Interfaces • Endpoints Available information depends on the device and Android version. CHECK USB DRIVES & ACCESSORIES Use the app when you want to check whether your phone recognizes: • USB flash drives • External USB storage • Keyboards • USB mice • Gamepads and controllers • Card readers • USB hubs • Other USB accessories This makes it useful when testing a new OTG adapter, USB-C connector or external USB device. OTG CONNECTOR COMPATIBILITY Before buying or troubleshooting an OTG adapter, use USB OTG Checker to see whether your phone reports USB host support. If a connected USB device is detected, you can also confirm that the phone is communicating with the accessory through Android USB functionality. USB STORAGE TESTS Where supported, the app may allow you to select a USB storage location and perform optional access or speed tests. USB storage testing can help you check: • Read access • Write access • Sequential read speed • Sequential write speed Tests use temporary app-created data in the location you explicitly select. The app does not require unrestricted access to all files on your phone. SIMPLE & FAST OTG CHECKER USB OTG Checker: OTG Connector is designed for users who want a quick answer without complicated setup. Use it to: • Check USB OTG support • Check USB host support • Detect connected USB devices • Test an OTG connector or adapter • Check USB drives • Detect USB accessories • View USB device information • Test USB storage where supported DEVICE COMPATIBILITY USB OTG behavior can vary depending on phone model, Android version, manufacturer, connected device, adapter and power requirements. Android devices do not all report OTG support in exactly the same way. If support cannot be reliably confirmed, the app may show that OTG support is not confirmed rather than displaying an inaccurate result. CONNECT, CHECK & DETECT Use USB OTG Checker: OTG Connector to check OTG support, detect connected USB devices and understand what your Android phone recognizes through USB.