Tag: MGOS

Why You Should Not Upgrade to Sierra Wireless Software MGOS 4.4.2

Sierra Wireless has just released an important announcement. Due to an instability in the radio module firmware released in MGOS 4.4.2 they are requesting that no additional MG90 MGOS 4.4.2 upgrades be performed until further notice:

  • MGOS 4.4.2 has been removed from The Source and from the public repo so MGOS 4.4.2 cannot be installed on any additional AMMs.
  • They are not able to remove MGOS 4.4.2 from hosted AMMs as there are already MG90s using this firmware. Removing this package could impact these MG90s inadvertently.
  • For customers that have upgraded to MGOS 4.4.2 and are experiencing radio issues, please contact support for further assistance.
  • For customers that have upgraded to MGOS 4.4.2 and are not experiencing radio issues, Sierra Wireless will provide further direction shortly.

They apologize to everyone affected by this radio instability. It’s through an abundance of caution that they are asking customers to cease any upgrades to MGOS 4.4.2 until further notice. An update on the radio instability will be provided when they have identified a path forward.

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Is There An Upgrade Available for the Sierra Wireless MG90?

Sierra Wireless has just announced the General Availability of MGOS 4.4.2 for all AirLink MG90 4G and 5G routers. This is an important release that includes new features, security enhancements and fixes/improvements that address a number of field-reported issues.

Some of the highlights are:

  • Improved WAN-link policies(4G/5G)
  • AMM Multi-unit reboot
  • Enhanced VPN status broadcast
  • IKEv2 support for Cisco ASA

There are also some important notes to be aware of BEFORE you upgrade.

IMPORTANT NOTES

  • MG90 5G will only connect Verizon network in 4G
  • All customers running MGOS 4.4.0 must first upgrade to 4.4.1 (AMM OTA or via USB drive) before upgrading to MGOS 4.4.2. Failure to do so may prevent the router from connecting to the carrier network.
  • MGOS 4.4.1 can only be installed on the MG90 5G. Customers must not attempt to install MGOS 4.4.1 on the LTE-A & LTE-A Pro variants of MG90
  • If you upgraded directly from MGOS 4.4.0 to MGOS 4.4.2 and are experiencing networking connectivity issues, please contact Support for further instructions.

You may have noticed the 3rd bullet point above seems to leave those who own LTE-A & LTE-A Pro variants of the MG90 without an upgrade option. That is not the case thankfully. These users just require some additional steps, which we’ve outlined below:

  1. Get a USB 2.0 Flash Drive (it cannot be 3.0)
  2. Start up a 32bit computer 
  3. Download Win32 Disk Imager for Windows systems
  4. Use win32 disk imager to image the drive to the USB 2.0 
  5. Power off the router, then insert the USB and push the reset pin and insert power while you hold down the reset button for another 20 seconds. 
  6. Wait about 20 minutes for it to load
  7. Reboot the router and remove the USB

It is recommended that all MG90 customers upgrade to this latest release. For more information, please refer to the release notes available on the Source. You may also reach out to our team via phone, email, or chat!

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