android toolbox can DFU，but ios toolbox can't DFU

[FormerMember]

hello everyone：

I use nordic APPtoolbox to test DFU ,android toolbox can DFU，but ios toolbox can't DFU

1、 i use sdk9.0 dfu project,and sdk9.0 ancs project 2、blog.chinaunix.net/xmlrpc.php add code like this web page 3、i use android to test it some times,it's ok.But when i use iPhone's toolbox,it's not ok.and the ios APP printf the log,it show "Reading DFU Version characteristic failed"

[FormerMember]

thank you,i erase all,and download softdevice and bootlader with no application(as you say, no application),and use ios toolbox to DFU , it's ok And then i try to DFU again,the APP show "Enabling DFUBootloader..." again