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| 1 | +# Programming nRF91 Series DK firmware |
| 2 | + |
| 3 | +You can program the nRF91 Series DK firmware application and network core firmware over USB. |
| 4 | +Before you begin to update the firmware, download and extract the latest application and modem firmware from the from the [Nordic Semiconductor website](https://www.nordicsemi.com/), depending on the DK you are using: |
| 5 | + |
| 6 | +- [nRF9151 DK Downloads](https://www.nordicsemi.com/Products/Development-hardware/nRF9151-DK/Download?lang=en#infotabs) |
| 7 | +- [nRF9161 DK Downloads](https://www.nordicsemi.com/Products/Development-hardware/nRF9161-DK/Download?lang=en#infotabs) |
| 8 | +- [nRF9160 DK Downloads](https://www.nordicsemi.com/Products/Development-hardware/nRF9160-DK/Download#infotabs) |
| 9 | + |
| 10 | +The downloaded ZIP archive contains the following firmware: |
| 11 | + |
| 12 | +* Application firmware |
| 13 | + |
| 14 | + The `img_app_bl` folder contains full firmware images for different applications. |
| 15 | + The guides in this section use the image for the [nRF Cloud multi-service](https://docs.nordicsemi.com/bundle/ncs-latest/page/nrf/samples/cellular/nrf_cloud_multi_service/README.html#nrf-cloud-multi-service) sample as an example. |
| 16 | + |
| 17 | + The nRF Cloud multi-service sample simulates sensor data and transmits it to Nordic Semiconductor's cloud solution, [nRF Cloud](https://nrfcloud.com/). |
| 18 | + |
| 19 | + The data is transmitted using either LTE-M or NB-IoT. |
| 20 | + The nRF Cloud multi-service sample first attempts to use LTE-M, then NB-IoT. |
| 21 | + Check with your SIM card provider for the mode they support at your location. |
| 22 | + |
| 23 | + === "nRF9151 DK" |
| 24 | + |
| 25 | + * For the Onomondo SIM card, check the [Onomondo LTE-M coverage](https://onomondo.com/product/coverage/lte-m-networks/) and [Onomondo NB-IoT coverage](https://onomondo.com/product/coverage/nb-iot-networks/) to see if your country is supported. |
| 26 | + * For the Wireless Logic SIM card, check the [Wireless Logic LTE-M/NB-IoT network coverage](https://www.wirelesslogic.com/simclaim/nsctrial/) to see if your country is supported. |
| 27 | + |
| 28 | + === "nRF9161 DK" |
| 29 | + |
| 30 | + For the Onomondo SIM card, check the [Onomondo LTE-M coverage](https://onomondo.com/product/coverage/lte-m-networks/) and [Onomondo NB-IoT coverage](https://onomondo.com/product/coverage/nb-iot-networks/) to see the network coverage for different countries. |
| 31 | + |
| 32 | + === "nRF9160 DK" |
| 33 | + |
| 34 | + For the iBasis SIM card provided with the nRF9160 DK, see [iBasis IoT network coverage](https://ibasis.com/solutions/iot-connectivity/network-coverage/). |
| 35 | + |
| 36 | +* Application firmware for Device Firmware Update (DFU) |
| 37 | + |
| 38 | + The images in the `img_fota_dfu_bin` and `img_fota_dfu_hex` folders contain firmware images for DFU. |
| 39 | + These images are not used in the guides in this section. |
| 40 | + |
| 41 | +* Modem firmware |
| 42 | + |
| 43 | + The modem firmware is in a ZIP archive instead of a folder. |
| 44 | + The archive is named `mfw_nrf9160_` or `mfw_nrf91x1_`, followed by the firmware version number. |
| 45 | + Do not unzip this file. |
| 46 | + |
| 47 | +The `CONTENTS.txt` file in the extracted folder contains the location and names of the different firmware images. |
| 48 | + |
| 49 | +You will also need the following USB cables: |
| 50 | + |
| 51 | +* nRF91x1 DK - USB-C cable |
| 52 | +* nRF9160 DK - micro-USB cable |
| 53 | + |
| 54 | +## nRF91x1 DK |
| 55 | + |
| 56 | +=== "Updating the modem firmware" |
| 57 | + |
| 58 | + To update the modem firmware, complete the following steps. |
| 59 | + |
| 60 | + !!! tip "Tip" |
| 61 | + |
| 62 | + If you experience any problems during the process, press `Ctrl+R` (`command+R` on macOS) to restart the Programmer app and try again. |
| 63 | + |
| 64 | + 1. Open the {{app_name}}. |
| 65 | + 1. Connect the DK to the computer with a USB cable, and then turn the DK on. |
| 66 | + 1. Click **SELECT DEVICE** and select the DK from the drop-down list.<br/> |
| 67 | + |
| 68 | +  |
| 69 | + |
| 70 | + The drop-down text changes to the type of the selected device, with its SEGGER ID below the name. |
| 71 | + The **Device memory layout** section also changes its name to the device name, and indicates that the device is connected. |
| 72 | + If the **Auto read memory** option is selected in the **J-LINK SETTINGS** section of the side panel, the memory layout will update. |
| 73 | + If it is not selected and you wish to see the memory layout, click **Read** in the **DEVICE** section of the side panel. |
| 74 | + |
| 75 | + 1. Click **Add file** in the **FILE** section, and select **Browse**. |
| 76 | + 1. Navigate to where you extracted the firmware, and select the `mfw_nrf91x1_<version-number>.zip` file. |
| 77 | + 1. Click **Write** in the **DEVICE** section of the side panel.<br/> |
| 78 | + |
| 79 | +  |
| 80 | + |
| 81 | + The **Modem DFU** window appears.<br/> |
| 82 | + |
| 83 | +  |
| 84 | + |
| 85 | + 1. Ignore the warning message and click the **Write** button in the **Modem DFU** window to update the firmware. |
| 86 | + Do not unplug or turn off the device during this process. |
| 87 | + |
| 88 | + When the update is complete, you see a success message. |
| 89 | + If you update the application firmware now, you can skip the initial steps about connecting and selecting the device in the [Updating the application firmware](#nrf91x1-dk) tab. |
| 90 | + |
| 91 | + !!! note "Note" |
| 92 | + |
| 93 | + If you experience problems updating the modem firmware, click **Erase all** in the **DEVICE** section of the side panel and try updating again. |
| 94 | + |
| 95 | +=== "Updating the application firmware" |
| 96 | + |
| 97 | + To update the application firmware using the Programmer app, complete the following steps. |
| 98 | + |
| 99 | + !!! tip "Tip" |
| 100 | + |
| 101 | + If you experience any problems during the process, press `Ctrl+R` (`command+R` on macOS) to restart the Programmer app and try again. |
| 102 | + |
| 103 | + 1. Open the {{app_name}}. |
| 104 | + 1. Connect the DK to the computer with a USB cable, and then turn the DK on. |
| 105 | + 1. Click **SELECT DEVICE** and select the DK from the drop-down list.<br/> |
| 106 | + |
| 107 | +  |
| 108 | + |
| 109 | + The drop-down text changes to the type of the selected device, with its SEGGER ID below the name. |
| 110 | + The **Device memory layout** section also changes its name to the device name, and indicates that the device is connected. |
| 111 | + If the **Auto read memory** option is selected in the **J-LINK SETTINGS** section, the memory layout will update. |
| 112 | + If it is not selected and you wish to see the memory layout, **Read** in the **DEVICE** section. |
| 113 | + |
| 114 | + 1. Click **Add file** in the **FILE** section, and select **Browse**. |
| 115 | + 1. Navigate to where you extracted the firmware, and then to the `img_app_bl` folder there. |
| 116 | + 1. Select the `.hex` file for your DK for the application you are programming: |
| 117 | + |
| 118 | + * nRF9151 DK: `nrf9151dk_nrfcloud_multi_service_coap_<version-number>.hex` |
| 119 | + * nRF9651 DK: `nrf9161dk_nrfcloud_multi_service_coap_<version-number>.hex` |
| 120 | + |
| 121 | + 1. Click the **Erase & write** button in the **DEVICE** section to program the DK. |
| 122 | + Do not unplug or turn off the DK during this process.<br/> |
| 123 | + |
| 124 | +  |
| 125 | + |
| 126 | +## nRF9160 DK |
| 127 | + |
| 128 | +=== "Updating the modem firmware" |
| 129 | + |
| 130 | + To update the modem firmware, complete the following steps. |
| 131 | + |
| 132 | + !!! tip "Tip" |
| 133 | + |
| 134 | + If you experience any problems during the process, press `Ctrl+R` (`command+R` on macOS) to restart the Programmer app and try again. |
| 135 | + |
| 136 | + 1. Open the {{app_name}}. |
| 137 | + 1. Make sure the **PROG/DEBUG SW10** switch on the nRF9160 DK is set to **nRF91**. |
| 138 | + On DK v0.9.0 and earlier, this is the **SW5** switch. |
| 139 | + 1. Connect the DK to the computer with a USB cable, and then turn the DK on. |
| 140 | + 1. Click **SELECT DEVICE** and select the DK from the drop-down list.<br/> |
| 141 | + |
| 142 | +  |
| 143 | + |
| 144 | + The drop-down text changes to the type of the selected device, with its SEGGER ID below the name. |
| 145 | + The **Device memory layout** section also changes its name to the device name, and indicates that the device is connected. |
| 146 | + If the **Auto read memory** option is selected in the **J-LINK SETTINGS** section of the side panel, the memory layout will update. |
| 147 | + If it is not selected and you wish to see the memory layout, click **Read** in the **DEVICE** section of the side panel. |
| 148 | + |
| 149 | + 1. Click **Add file** in the **FILE** section, and select **Browse**. |
| 150 | + 1. Navigate to where you extracted the firmware, and select the `mfw_nrf9160_<version-number>.zip` file. |
| 151 | + 1. Click **Write** in the **DEVICE** section of the side panel.<br/> |
| 152 | + |
| 153 | +  |
| 154 | + |
| 155 | + The **Modem DFU** window appears.<br/> |
| 156 | + |
| 157 | +  |
| 158 | + |
| 159 | + 1. Ignore the warning message and click the **Write** button in the **Modem DFU** window to update the firmware. |
| 160 | + Do not unplug or turn off the device during this process. |
| 161 | + |
| 162 | + When the update is complete, you see a success message. |
| 163 | + If you update the application firmware now, you can skip the initial steps about connecting and selecting the device in the [Updating the application firmware](#nrf9160-dk) tab. |
| 164 | + |
| 165 | + !!! note "Note" |
| 166 | + |
| 167 | + If you experience problems updating the modem firmware, click **Erase all** in the **DEVICE** section of the side panel and try updating again. |
| 168 | + |
| 169 | +=== "Updating the application firmware" |
| 170 | + |
| 171 | + To update the application firmware using the Programmer app, complete the following steps. |
| 172 | + |
| 173 | + !!! tip "Tip" |
| 174 | + |
| 175 | + If you experience any problems during the process, press `Ctrl+R` (`command+R` on macOS) to restart the Programmer app and try again. |
| 176 | + |
| 177 | + 1. Open the {{app_name}}. |
| 178 | + 1. Make sure the **PROG/DEBUG SW10** switch (**SW5** on DK v0.9.0 and earlier) on the nRF9160 DK is set to **nRF91** or **nRF52** as appropriate for the application or sample you are programming.<br/> |
| 179 | + See the [Device programming section in the nRF9160 DK User Guide](https://docs.nordicsemi.com/bundle/ug_nrf9160_dk/page/UG/nrf91_DK/operating_modes/mcu_device_programming.html) for more information.<br/> |
| 180 | + |
| 181 | + For the [nRF Cloud multi-service](https://docs.nordicsemi.com/bundle/ncs-latest/page/nrf/samples/cellular/nrf_cloud_multi_service/README.html#nrf-cloud-multi-service) sample, the switch must be set to **nRF91**. |
| 182 | + 1. Connect the DK to the computer with a USB cable, and then turn the DK on. |
| 183 | + 1. Click **SELECT DEVICE** and select the DK from the drop-down list.<br/> |
| 184 | + |
| 185 | +  |
| 186 | + |
| 187 | + The drop-down text changes to the type of the selected device, with its SEGGER ID below the name. |
| 188 | + The **Device memory layout** section also changes its name to the device name, and indicates that the device is connected. |
| 189 | + If the **Auto read memory** option is selected in the **J-LINK SETTINGS** section, the memory layout will update. |
| 190 | + If it is not selected and you wish to see the memory layout, **Read** in the **DEVICE** section. |
| 191 | + |
| 192 | + 1. Click **Add file** in the **FILE** section, and select **Browse**. |
| 193 | + 1. Navigate to where you extracted the firmware, and then to the `img_app_bl` folder there. |
| 194 | + 1. Select the `nrf9160dk_nrfcloud_multi_service_coap_<version-number>.hex` file. |
| 195 | + 1. Click the **Erase & write** button in the **DEVICE** section to program the DK. |
| 196 | + Do not unplug or turn off the DK during this process.<br/> |
| 197 | + |
| 198 | +  |
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