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Fix: Retroactively Enable LTE-M Bands for 4G in Europe

The provisioning step for some early production devices excluded the use of some cellular bands in Europe. This exclusion prevented connectivity in some instances. This guide explains how to enable all 4G LTE-M cellular bands.

Travis Bates
Updated by Travis Bates

The provisioning step for early production devices excluded the use of some cellular bands in Europe. This exclusion prevented connectivity in some cases. There are a couple of ways to set the correct configuration for your device. This guide explains ways to enable the additional 4G LTE-M cellular bands.

ZENTRA Utility Mobile

Run any of the following tools under Device Tools in ZENTRA Utility Mobile:

  • Update the device firmware.
  • Change the Cellular Profile.
Steps to update the firmware:
  1. Connect
    1. Connect via Bluetooth.
  2. Device Tools
    1. Tap More then Device Tools.
    2. Select Update Device Firmware.
    3. Tap Update Firmware.
  3. Test
    1. Run a communication test to verify connectivity with the network.
Steps to update the profile:
  1. Connect
    1. Connect via Bluetooth.
  2. Device Tools
    1. Tap More then Device Tools.
  3. Set Profile
    1. Tap Change Cellular Profile.
    2. Tap Update Cellular Profile.
    3. Select Global LTE-M (201) (Default).
  4. Test
    1. Run a communication test to verify connectivity with the network.

ZENTRA Utility

Update the device firmware, or use the terminal to update the profile.

Steps to update the firmware:
  1. Connect
    1. Connect via a cabled connection (Desktop).
  2. Firmware
    1. Click Help in the Menu bar and select Check for Firmware Updates.
    2. Click Update Now.
  3. Test
    1. Disconnect the logger from ZENTRA Utility and then re-connect.
    2. Run a communication test to verify connectivity with the network.

Steps to update the profile:
  1. Connect
    1. Connect via a cabled connection (Desktop).
  2. Terminal
    1. Click Terminal in the Menu bar to open the terminal window.
  3. Set the Profile
    1. Type set profile 201 and press enter.
    2. The response in the terminal should be "OK".
    3. Type get profile to verify the setting has been updated.
    4. The response in the terminal should be "201".
  4. Test
    1. Disconnect the logger from ZENTRA Utility and then re-connect.
    2. Run a communication test to verify connectivity with the network.

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