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==Introduction==
==Introduction==
Moreover, you have the option to initiate the firmware update by either manually uploading the firmware file or downloading it from the server. If you choose to upload the firmware file manually, you must know where to download the firmware file. All the latest and mass production firmware files can be found [https://wiki.teltonika-networks.com/view/FW_%26_SDK_Downloads here]. It's best to regularly check this page if you want to always have the latest firmware available. Additionally, each device has its own firmware page, where you can find all the available firmware files specific to that device, along with a changelog that describes details what was added, fixed, or improved in each firmware version. For example, you can find all available firmware versions and the changelog for the RUT956 [https://wiki.teltonika-networks.com/view/RUT956_Firmware_Downloads here].
Moreover, you have the option to initiate the firmware update by either manually uploading the firmware file or downloading it from the server. If you choose to upload the firmware file manually, you must know where to download the firmware file. All the latest and mass production firmware files can be found [https://wiki.teltonika-networks.com/view/FW_%26_SDK_Downloads here]. It's best to regularly check this page if you want to always have the latest firmware available. Additionally, each device has its own firmware page, where you can find all the available firmware files specific to that device, along with a changelog that describes details what was added, fixed, or improved in each firmware version. For example, you can find all available firmware versions and the changelog for the RUT956 [https://wiki.teltonika-networks.com/view/RUT956_Firmware_Downloads here].
Additionally, starting from the RutOS 7.7 firmware version, firmware update notifications have been added to the router WebUI, making it easier for you to know when the latest firmware is available.
[[File:Fw notif.png|border|class=tlt-border]]
===Firmware update through WebUI===
===Firmware update through WebUI===
The WebUI is the user-friendly graphical interface of the device. To update the firmware through the WebUI, navigate to the '''System -> Firmware -> Update''' Firmware page. This page allows you to check the current firmware version of the device and update the firmware either from a local file or directly from the server. If you wish to update the firmware from the server, your RUT, TRB, or TSW device must have internet access. If you choose to manually upload a firmware file, internet access on the router is not required.
The WebUI is the user-friendly graphical interface of the device. To update the firmware through the WebUI, navigate to the '''System -> Firmware -> Update''' '''Firmware''' page. This page allows you to check the current firmware version of the device and update the firmware either from a local file or directly from the server. If you wish to update the firmware from the server, your RUT, TRB, or TSW device must have internet access. If you choose to manually upload a firmware file, internet access on the router is not required.
If your networking device has internet access, in the firmware update page, in the "firmware available on the server" section, you will be always be able to see which firmware is the newest one.
[[File:Fw.png|border|class=tlt-border]]
To start the firmware update, you only need to choose wheter you want to upload firmware file manually or retrieve it from the server, also choose wheter you want to keep all the settings after firmware update or not.
When you upload a firmware image, the device will have to verify the validity of that image. If the verification was successful, you will be redirected to window with a message such as this:
[[File:Networking rutx manual firmware verification v2.png|border|class=tlt-border]]
This means that the uploaded firmware image is compatible with your device. The indication also displays the file's Checksum. A checksum is a sequence of hexadecimal symbols generated after running an algorithm called a cryptographic hash function on a file. Calculating a checksum and comparing it with the one provided by the file source can be used as a file authenticity check method.
If everything is in order, you can click the Proceed button to begin the update or click Cancel to abort.
On the other hand, if the uploaded a firmware file that is incompatible with your device, you will see an indication such as this:
[[File:Trb14x webui system flash firmware verification failed v2.png|border|class=tlt-border]]
Once the update is started, make sure not to power off the device. Wait until the device reboots and becomes accessible again.
