FLY DS400 Service Manual Code Download Steps

DG12BT (FLY DS400) Code Download Steps

1. Install driver

You have to install Driver first.

2. Download by Flash_tool.exe

Step1
Power off the phone.

Step2
Run Flash_tool.exe.

Step3
Setup [Download Agent]: In [Picture 1], click [Download Agent]（such as: 1），choose file
“MTK_AllInOne_DA.bin” from the pop-up window，the name and path will appear in
[Download Agent] area（such as: 5）

[Picuture 1]

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Step4
Setup [Scatter-loading]: In [Picture 1], click [Scatter-loading]（such as：2），choose file
“scat.txt” from the pop-up window，the name and path will appear in [Scatter-loading File]
area（such as：6）

Step5
Setup [Auth File]: In [Picture 1], click [Scatter-loading]（such as：3），choose file
“TEST_AUTH_MTK.auth” from the pop-up window，the name and path will appear in
[Authentication File] area（such as：7）

Step6
Setup [ROM]（bin code）: In [Picture 1]，check on the box in front of [ROM]，then click [ROM]
（such as：8） and choose related bin file from th e pop-up window , the name and path will
appear in [ROM] area（such as：9）

Step7
Setup [Baud rate]: Click [Options -- Baud rate]，choose 921600

Step8
Connect the phone and PC with GSM download cable, then check the COM port.
After connect the USB port to the PC, right-click 'my computer' icon on PC desktop and select
'Manage’ . An interf ace will pop up, you can select 'Device Management' on the left region and
open 'Ports (COM&LPT)' on the right region. Then check the icon similar with the following
blue icon, the related COM port will display after it (for example: CO M3).,please remember it.

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