When I use Windows nRF Connect to connect nRF52832 device. It pop up window for user to enter passkey. But When I use iOS nRF Connect to connect nRF52832 device. It doesn't pop up window for user to enter passkey and failed to connect to nRF52832 device.
Windows nRF Connect log messages.
0> <debug> nrf_ble_gatt: Requesting to update ATT MTU to 185 bytes on connection 0x0.
0> <info> app: Connected.
0> <debug> app: state=1
0>
0> <debug> nrf_ble_gatt: ATT MTU updated to 185 bytes on connection 0x0 (response).
0> <info> app: BLE_GAP_EVT_SEC_PARAMS_REQUEST
0>
0> <info> app: Connection secured: role: 1, conn_handle: 0x0, procedure: 1.
0> <info> app: BLE_GAP_EVT_AUTH_STATUS
0>
iOS nRF Connect log messages.
0> <debug> nrf_ble_gatt: Requesting to update ATT MTU to 185 bytes on connection 0x0.
0> <info> app: Connected.
0> <debug> app: state=1
0>
0> <info> app: Faield to secure connection with handle 00.
0> <info> app: Disconnected.
0> <debug> app: state=0
0>
0> <debug> nrf_ble_gatt: Requesting to update ATT MTU to 185 bytes on connection 0x0.
0> <info> app: Connected.
0> <debug> app: state=1
0>
0> <info> app: Faield to secure connection with handle 00.
0> <info> app: Disconnected.
0> <debug> app: state=0
