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DEC Lens Adapter update FAQ

DEC Lens Adapter

Version:V1.3 (2017/04/27)


1. Optimizer to improve lens compatibility..
2. Update version to V1.3.

System requirement:

Windows XP
Windows 7
Windows 8
Win 10


Update instructions:

Step 1

Before the updating, please check the Serial Number on the base or the side of your adapter. And download the update documents following the instructions:

If your Serial Number is among

6N000200 - 6N000259 6N000261 - 6N000301 6N000303 - 6N000307 6N000309 - 6N000328 6N000330 - 6N000363 6N000365 - 6N000368 6N000370 - 6N000385 6N000387 - 6N000418 6N000420 - 6N000447 6N000449 - 6N000477 6N000479 - 6N000650

If your Serial Number is among

6N003001 - 6N003473 6N000309 - 6N000328 6N000260 - 6N000302 6N000308 - 6N000329 6N000364 - 6N000369 6N000386 - 6N000419 6N000448 - 6N000478 others

Step 2

Extract the downloaded documents, DEC Update(1).rar or DEC Update(2).rar, into any directory. And you’ll see “Aputure DEC One Firmware Upgrade”, “Driver”, and “DEC_Update_v1.3”.

Step 3

Double click “Aputure DEC One Firmware Upgrade”. Following window will pop out.

Pull the power switch of DEC adapter to OFF. And connect the adapter and computer with USB cable.

The first time you use the computer to upgrade DEC, Windows will require you to install the driver.

*If you haven’t installed the driver before, the window of “Found New Hardware Wizard” will pop out as soon as you connect the adapter to computer.

* If you have installed the driver before, you can jump to step 4.

*If “Found New Hardware Wizard” has not come out on the condition that you haven’t installed the driver before, you shall try to install the USB driver manually.

*If you experience installation problems, you shall try to install the USB drivers manually

*If you need to install the USB drivers manually, please follow the steps below:

Open “Device Manager” as shown in the picture. And you may find a yellow exclamatory mark there where “STM32 DFU”. 

Right click the “STM32 DFU” and select update the driver. Then the window of “Found New Hardware Wizard” will come out.

As given, in the interface of “Found New Hardware Wizard”, choose “install from a list or specific location(Advanced)” , and then click “Next”


On the next screen, click “Includes this location in the search” and “Browse”. Please choose the directory where the Driver located. After clicking “Next”, the driver will be installed soon.

If the installment is completed, the following screen will be shown. And you shall click “Finish”.

After that, you can check in your Device Manager where you can see STM Device in DFU Mode.

*If the installation fails, please try to connect DEC to the other USB input of the computer.

Step 4

After the installing of driver, “Aputure DEC One Firmware Upgrade” will show the connection to Aputure DEC One

*If Aputure DEC One is not shown in the place where the red box located, please unplug the USB cable, and reconnect it again.

*Please keep the power switch of DEC adapter to OFF.

Click “Choose”, and choose “DEC_Update_v1.2.dfu”, which is in the DEC Update file.

Then, click “Open”.

Then, click “Upgrade”

Click “Yes”, then the upgrading will be started.

*Warning: Please keep the USB cable connected during the upgrading.

Step 5, upgrade successfully

The showing of following screen means the success of upgrade. If so, click “Quit”, and then you can unplug the USB cable.

*After upgrading, please turn off grip and adapter to re-pair: