Hi, glad to share the firmware of innos D6000. Download here: Firmware:  innos D6000 Android 5.0 Firmware Tool: QPST_8916_upgrade tool_D6000 Password: geekbuying.com Upgrade Illustration  Install USBdriver_8916 Extract USBdriver_8916.rar, find“ WinDriver1.00.25_9091 port driver”，double click setup.exe to install driver. Port check：after install USBdriver_8916, power off your phone, press down “volume +” & “Volume -” together, and connect to PC, after a vibration, wait to finish the installation. Open the device manager, to check if there’s the port as the picture shows below.    2. Install flash tool QPST.WIN.2.7 Installer-00425.1 2.1） If you have ever installed QPST, please uninstall it first; there extract QPST.WIN.2.7 Installer-00425.1 , double click setup.exe. […]