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Introduction

This page describes how to manually upgrade firmware on the M500 base station, M55/M56 handsets, and M58 desksets.

You can manually update the firmware using the following methods:

Retrieving firmware images from a remote host computer via a URL. The file location may be arranged by you, an authorized dealer, or your SIP service provider.
Having firmware images located on your computer or local network. No connection to the Internet is required. Consult your dealer for access to firmware images, or download them from the Snom Firmware Update Center.

Note: Starting with firmware version 1.14.4, we've simplified the firmware upgrade process by providing the M500 unified firmware image (M500-x.x.x-unified.img), which includes the firmware for the base station, handset, and cordless deskset in one file. This is the only file required to update all devices within the M500 family of products.

Alternatively, though not recommended, if there is a need to use a different firmware version for the handset or deskset, you can update the Base File Name, Handset File name, and Cordless deskset File name with different versions of the individual firmware images (M500-x.x.x.img, M55-x.x.x.img, and M58-x.x.x.img, respectively).

M500 unified firmware manual upgrade (upgrading the base, handsets and desksets with one file)

Note: if you have a dual-cell or multi-cell configuration, you must perform these steps on the primary base station. The system will perform a site-wide auto firmware upgrade on all available secondary base station(s) on the same site.

Open a Web browser. In the address bar, enter the IP address of the base station.
On the Servicing → Firmware Upgrade → Manual Upgrade page, click the Choose File button below the Base File Name box.
Select the M500 firmware file, and click the Update from File button.
The WebUI displays a warning page.
Click OK.
The WebUI displays "Firmware installation in progress, the device will reboot after completion".
Wait a few minutes for the base station to install the upgrade and reboot. You can keep refreshing the Web browser until you can sign in to the WebUI again.
Open the Status → Cordless Upgrade Status page to check the firmware upgrade progress.

- The Handset Version column shows what percentage of the handset firmware file has been downloaded to the base station(s).
  Keep refreshing the Web page to update the percentage.
- After the handset firmware download is complete, the base station sends it over the air to each of the registered handset(s) one at a time.
- The Upgrade Status column shows the progress of the firmware update for each registered handset –"Pending", "Updating" or "Idle" (upgrade completed).
  Keep refreshing the web page to update the Upgrade Status.

- The M58 Version column shows what percentage of the M58 firmware file has been downloaded to the base station(s).
  Keep refreshing the Web page to update the percentage.
- After the M58 firmware download is complete, the base station(s) send it over the air to each of the registered deskset(s) one at a time.
- The Upgrade Status column shows the progress of the firmware update for each registered deskset –"Pending", "In Progress" or "Idle" (upgrade completed).
  Keep refreshing the web page to update the Upgrade Status.

9. When all the desksets have finished upgrading, check the firmware versions to make sure the base, handset and deskset firmware has been installed successfully.

M500 firmware manual upgrade

Note: if you have a dual-cell or multi-cell configuration, you must perform these steps on the primary base station. The system will perform a site-wide auto firmware upgrade on all available secondary base station(s) on the same site.

Open a Web browser. In the address bar, enter the IP address of the base station.
On the Servicing → Firmware Upgrade → Manual Upgrade page, click the Choose File button below the Base File Name box.
Select the M500 firmware file, and click the Update from File button.
The WebUI displays a warning page.
Click OK.
The WebUI displays "Firmware installation in progress, the device will reboot after completion".
Wait a few minutes for the base station to install the upgrade and reboot. You can keep refreshing the Web browser until you can sign in to the WebUI again.
Check the firmware versions to make sure the firmware on base(s) has been installed successfully.

M55/M56 firmware manual upgrade

Note: if you have a dual-cell or multi-cell configuration, you must perform these steps on the primary base station. The system will perform a site-wide auto firmware upgrade on all registered M55/M56 handsets.

Open a Web browser. In the address bar, enter the IP address of the base station.

On the Servicing → Firmware Upgrade → Manual Upgrade page, click the Choose File button below the Handset File Name box.
Select the M55 firmware file, and click the Install Handset File button.
NOTE: this file updates both M55 and M56 handsets.
The WebUI displays a warning page.
Click OK.
The WebUI displays "Installing handset firmware. Please wait...", and then displays the following message.
Open the Status → Cordless Upgrade Status page to check the firmware upgrade progress.

- The Handset Version column shows what percentage of the handset firmware file has been downloaded to the base station(s).
  Keep refreshing the Web page to update the percentage.
- After the handset firmware download is complete, the base station sends it over the air to each of the registered handset(s) one at a time.
- The Upgrade Status column shows the progress of the firmware update for each registered handset –"Pending", "Updating" or "Idle" (upgrade completed).
  Keep refreshing the web page to update the Upgrade Status.

6. When all the handsets have finished upgrading, check the firmware versions to make sure the handset firmware has been installed successfully.

M58 Firmware Manual Upgrade

Note: if you have a dual-cell or multi-cell configuration, you must perform these steps on the primary base station. The system will perform a site-wide auto firmware upgrade on all registered M58 desksets.

Open a Web browser. In the address bar, enter the IP address of the base station.

On the Servicing → Firmware Upgrade → Manual Upgrade page, click the Choose File button below the Cordless Deskset File Name box.
Select the M58 firmware file, and click the Install Cordless Deskset File button.
The WebUI displays a warning page.
Click OK.
The WebUI displays "Installing cordless deskset firmware. Please wait...", and then displays the following message.
Open the Status → Cordless Upgrade Status → Manual Upgrade page to check the firmware upgrade progress.

- The M58 Version column shows what percentage of the M58 firmware file has been downloaded to the base station(s).
  Keep refreshing the Web page to update the percentage.
- After the M58 firmware download is complete, the base station(s) send it over the air to each of the registered deskset(s) one at a time.
- The Upgrade Status column shows the progress of the firmware update for each registered deskset –"Pending", "In Progress" or "Idle" (upgrade completed).
  Keep refreshing the web page to update the Upgrade Status.

6. When all the desksets have finished upgrading, check the firmware versions to make sure the M58 firmware has been installed successfully.