Troubleshooting drivers on Windows

if you’re having trouble updating your flipper zero via the qflipper desktop application on your windows computer, follow this guide to ensure your computer is configured correctly for a successful update installing qflipper from the official sources when you install qflipper, the required drivers are installed along with it make sure to install qflipper from official sources, such as the flipper zero firmware update page and official documentation updating qflipper make sure qflipper is up to date connect your flipper zero to your computer via a usb c cable run qflipper and go to the advanced controls tab click check app updates checking if the correct drivers are installed depending on the mode in which you connect your flipper zero to a computer, the device can be defined by windows as a serial device or dfu device we recommend checking drivers for both cases checking the serial device driver when the device is connected to a computer in normal mode (with the running operating system), the device is recognized as a serial device to check if the correct serial device driver is installed, do the following on your computer, close qflipper if running connect your flipper zero to the computer via a usb c cable go to device manager > ports (com & lpt) if there are multiple devices, make sure the detected usb serial device is your flipper zero double click the usb serial device and go to the details tab set property to hardware ids check if the vendor id (vid) is 0483 and product id (pid) is 5740 go to the driver tab and ensure that the default microsoft driver is installed if there is a different driver, uninstall it and reconnect your flipper zero to the computer the microsoft driver will install automatically checking for com port conflicts there is a bug in the windows operating system that occurs when two different serial devices bind to the same port number to check for conflicts, do the following on your computer, close qflipper if running connect your flipper zero to the computer via a usb c cable g o to device manager > ports (com & lpt) check if you have serial devices with the same com port number if you have a com port conflict, do the following double click one of the devices go to port settings > advanced assign a com port number that is currently not in use and click ok check the dfu device driver when the device is connected to a computer in recovery mode (the operating system isn’t running), the device is recognized as a dfu device to check if the correct dfu device driver is installed, do the following reboot your flipper zero to recovery mode press and hold the %left% left and %back% back buttons simultaneously release the %back% back button, but don’t release the %left% left button until the blue led lights up on your computer, close the qflipper application if running connect your flipper zero to the computer via a usb type c cable go to device manager > universal serial bus devices make sure that the connected device has the name dfu in fs mode if there are multiple devices, make sure the detected dfu in fs mode device is your flipper zero double click the dfu in fs mode device and go to the details tab set property to hardware ids check if the vendor id (vid) is 0483 and product id (pid) is df11 go to the driver tab and make sure that the driver’s name is stmicroelectronics if you couldn’t find the dfu device if you couldn’t find the dfu device in device manager > universal serial bus devices , it means that the incorrect driver is installed or the dfu device driver is missing you can resolve the wrong driver issue by doing the following go to device manager > universal serial bus controllers look for the stm device in dfu mode (this is the wrong driver) if you found it, uninstall the qflipper application in apps & features download the qflipper installer from the official sources https //docs flipperzero one/qflipper/windows debug#pr64b and reinstall the application check if the dfu device appeared in the universal serial bus devices section, then check the driver if there is no such a device, manually install the missing device by doing the following go to device manager > other devices look for the dfu in fs mode with an exclamation sign and right click it go to update driver > browse my computer for drivers > let me pick from a list of available drivers select universal serial bus devices and click next select winusb device > winusb device and click next check if the dfu device appeared in the universal serial bus devices section, then check the driver