52832 dfu failed when using nRF toolbox ios version

[xuxinzhen]

I implement it with sdk 11.0 and a third party board.Firstly,I program s132_nrf52_2.0.1 SoftDevice by nRFgo Studio，secondly，i program dfu_dual_bank_ble_s132_pca10036. then,the my board will work as the DfuTarg.After that,i open the nRF toolbox on my iPhone，select the hrs_dfu_s132_2_0_sdk.zip,and connect to the DfuTarg device,the dfu goes all right in the first step,but the device disconnect from the phone when goes into the second step,and the device will also works as the DfuTarg,but this time,it will not work even in the first step. could somebody help me ? Any help will be appreciated!

[bjorn-spockeli]

First of all you should not use the dfu_dual_bank_ble_s132_pca10036 project as this is for the nRF52832 Engineering A chips used on the NRF52 Preview DK, see this compatibility matrix for more information. How did you create the distribution zip? Can you attach the zip to the question?