How To Update Software On Doogee U9

For major Android version upgrades or bricked devices, you may need the (MediaTek’s flashing utility, as most DOOGEE devices use MediaTek chipsets).

A: This is known as a "bootloop." Wait for at least 15 minutes to ensure it isn't just a long optimization process. If it persists, you will need to perform How To Update Software On DOOGEE U9