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DFU (Dual Bank) - Question about Memory Layout

Hi, I have a question about this memory layout.

App select

At Figure 2 (of the memory layout), it erases the previous application.

After that, at step 1, it says that the firmware prepares for the new SoftDevice.

At step 2, it says that the SoftDevice image and the DFU Data packets are received.

My question is that,

even though I select Application or Distribution packet (Zip),

does the central (smart phone, etc.) sends the "init (_init.dat file)", SoftDevice, and the application?

Although the menu from the Android App, seems to send the Application and the "init' file,

the memory layout's explanation made me confusing.

-Regards, Mango922

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