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Hello,
Please try to disconnect the link on BLE_DFU_EVT_BOOTLOADER_ENTER_PREPARE like in the ble_app_buttonless_dfu example and see if that helps. If you don't disconnect, the phone will be forced to wait for the connection to time out (the bootloader may have exited DFU mode at that point).
Best regards,
Vidar
Thank you very much. I try that but not fix this problem. now not gatt conn timeout error but I take info as dfu bootloader not found then trying same address . This problem : (+) Nordic DevZone (nordicsemi.com)
Thank you very much. I try that but not fix this problem. now not gatt conn timeout error but I take info as dfu bootloader not found then trying same address . This problem : (+) Nordic DevZone (nordicsemi.com)