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DFU using App

In some situations Firmware Update using Download or Broadcast through a Meshtech network might not be possible or the most convenient. In such cases, devices can be upgraded using nRF Connect for Mobile app from Nordic Semiconductor utilizing Nordic DFU or BLE SMP.

Note

Devices operating in Connected mode currently connected to a network will not be discoverable while scanning with nRF Connect app. To discover and connect to a Connected mode device either switch device mode from system by writing property 0x8110 - Device Mode, move it out of range of network, or power off gateway while doing the upgrade.

Nordic DFU with App

This is how to upgrade a MT PocketClip 231 using Nordic DFU. Procedure will be very similar for all Meshtech devices supporting Nordic DFU, keeping in mind nRF52 based devices will use MAC+1 in DFU mode.

Note

Video instruction shows nRF Connect for Mobile running on Android device. iOS version is also available and is similar, but will not show MAC address.

  • Scan for and connect to the device you want to upgrade. RSSI filter is a convenient way to find the device near your phone.
  • Select the device you want to upgrade and click Connect.
  • Select Unknown Service then click the up arrow next to Unknown Characteristic.
  • Enter text 01 in value field and click Send.
  • Device should now switch to DFU mode. Go back to Scanner tab and start scan. Device should now advertise using DFU in its name. Select the device and click Connect.
  • Click the DFU icon to open a prompt where you can select .zip file to upload.
  • Navigate to the appropriate .zip file you want to upgrade to and select it to start upgrade.
  • Upgrade will now proceed, showing a progress bar and notifying you when upgrade is complete.

BLE SMP with App

This is how to upgrade a Minew MBM01 0043 using BLE SMP. Procedure will be very similar for all Meshtech devices supporting BLE SMP.

Note

Video instruction shows nRF Connect for Mobile running on Android device. iOS version is also available and is similar, but will not show MAC address.

  • Scan for and connect to the device you want to upgrade. RSSI filter is a convenient way to find the device near your phone.
  • Select the device you want to upgrade and click Connect.
  • Click the DFU icon to open a prompt where you can select .zip file to upload.
  • Navigate to the appropriate .zip file you want to upgrade to and select it to start upgrade.
  • Upgrade will now proceed, showing a progress bar and notifying you when upgrade is complete.