[solved] DFU swap region remains contentshttps://devzone.nordicsemi.com/f/nordic-q-a/19839/solved-dfu-swap-region-remains-contentswhen using secureDFU with sdk12.2, only changed the mac address. my application is more than 60KByte, when i test the firmware for two files, one is 62K and an other is 64K. it got a trouble, when data send througth finish.and bootloader reboot. en-USTelligent Community 13Tue, 21 Feb 2017 11:48:18 GMTRE: [solved] DFU swap region remains contentshttps://devzone.nordicsemi.com/thread/77147?ContentTypeID=1Tue, 21 Feb 2017 11:48:18 GMT137ad170-7792-4731-bb38-c0d22fbe4515:8e58890b-1b2d-42c7-a603-0b8f4867b8b9Hung Bui<p>@Jasonbu: if you solved the issue please close it.</p><div style="clear:both;"></div>RE: [solved] DFU swap region remains contentshttps://devzone.nordicsemi.com/thread/77148?ContentTypeID=1Mon, 20 Feb 2017 12:53:26 GMT137ad170-7792-4731-bb38-c0d22fbe4515:ba5fd723-fc40-4fad-b931-c1f3d60fb85ajasonbu<p>s132 end with 0x1F000</p> <p>my bootloader start with 0x76000</p> <p>when dfu finish and it did not enter the application.</p> <p>read back 0x1F000-0x76000 got 1.hex</p> <p>try again and success.</p> <p>read back 0x1F000-0x76000 got 2.hex</p> <p>compare with 1.hex and 2.hex found it looks like swap did not finished</p> <p>0x2C000 in 1.hex got 0xFF and in 2.hex got correct content.</p> <p>and check 2.hex found it still in 0x3F000</p> <p>my reserved page configed is 5 pages</p><div style="clear:both;"></div>