Access the Doogee Support Center for the latest system firmware and flashing tools.
Once the process is complete, you will see a "Download Ok" prompt with a green check circle. Disconnect the USB cable and turn on your Doogee U9. The first boot may take 5-10 minutes. doogee u9 firmware download
Open the extracted folder and run SP Flash Tool.exe as Administrator. Access the Doogee Support Center for the latest
This is the safest method for functional devices to get the latest security patches. Open the app. Navigate to System > Wireless Update (or System Update ). Tap Check for updates . doogee u9 firmware download