Device Firmware Update: Difference between revisions
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== Update Routes == | == Update Routes == | ||
Updating devices | Updating devices from specific versions requires intermediate steps. If they are not followed update tasks in '''FOTAWEB''' will fail. | ||
* From <code>0.40.3</code> → <code>1.5.3</code> → must use '''.e.xim''' image type. | * From <code>0.40.3</code> → <code>1.5.3</code> → must use '''.e.xim''' image type. | ||
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# Update first to <code>1.5.3</code>. | # Update first to <code>1.5.3</code>. | ||
# Then update to <code>2.1.4</code>. (sing .wmi.e.xim, enables usage of .tpack image type). | # Then update to <code>2.1.4</code>. (sing .wmi.e.xim, enables usage of .tpack image type). | ||
# Finally, update to <code>3.0.3</code> (using .tpack) | # Finally, update to <code>3.0.3</code> (using .tpack). | ||
Note: It is possible to update devices usng .tpack only if they have connected to FOTAWEB previously. | |||
== Downgrade Policy == | == Downgrade Policy == | ||
Revision as of 10:45, 18 September 2025
FT Device Firmware Update Information
Introduction
The Device Firmware Update (DFU) feature enables FT platform devices to update their firmware either:
- Over-the-air (OTA) via FOTAWEB
- Locally through a USB connection using TCT (Teltonika Configuration Tool)
This ensures devices always run the latest, most stable, and secure firmware versions.
Firmware image types
There are three main firmware image types used in the FT platform:
- FTx.Ver.x.x.x-rc.x.e.xim / FTx.Ver.x.x.x.x.e.xim
Example: FTx.Ver.0.5.0-rc.9.e.xim
- FTx.Ver.x.x.x-rc.x.wmi.e.xim / FTx.Ver.x.x.x.wmi.e.xim
Example: FTx.Ver.1.5.0-rc.9.wmi.e.xim
- FTx.Ver.x.x.x-rc.x.tpack / FTx.Ver.x.x.x.tpack
Example: FTx.Ver.3.0.3.tpack
Versioning Scheme
- FTx.Ver.x.x.x-rc (e.g.
2.1.0-rc.7) – Release Candidate: evaluation version, still in the stabilization phase. - FTx.Ver.x.x.x (e.g.
2.1.4) – Stable Release: factory-used and publicly available for OTA updates.
Image Details
- .e.xim – Initial, deprecated DFU image type (used for firmware older than
1.1.0-rc.1). - .wmi.e.xim – Introduced from
1.1.0-rc.1. Contains additional metadata (image type, version, hardware support, etc.). Protects devices from being upgraded to unsupported versions. - .tpack – Support introduced from
2.0.0-rc.1. Firmware bundle includes additional packages for CAN, BLE, and MCU firmware updates.
Image File Distribution Policy
- Stable firmware image types such as
1.5.3and2.1.4are currently distributed only via the FOTAWEB platform - Due to the introduction of a new image type, stable firmware version
3.0.3is not distributed directly to client FOTAWEB accounts.Initial firmware updates to version3.0.3will be performed and supervised by our Support team. To have devices in your fleet updated, please contact your Sales Manager or submit a request directly through the HelpDesk system. - Once a stable release is available, you can perform updates over-the-air (OTA).
- If OTA update is not viable option (e.g., restricted connectivity), please contact your Sales Manager or Support via HelpDesk System for further assistance.
Update Routes
Updating devices from specific versions requires intermediate steps. If they are not followed update tasks in FOTAWEB will fail.
- From
0.40.3→1.5.3→ must use .e.xim image type. - From
1.5.3→2.1.4→ must use .wmi.e.xim image type. - From
2.1.4→3.0.3→ must use .tpack image type.
Examples
- Upgrading from 0.40.3 to 2.1.4:
- Update first to
1.5.3(using e.xim, enables usage of .wmi.e.xim image type). - Then update to
2.1.4(using .wmi.e.xim)
- Upgrading from 0.40.3 to 3.0.3:
- Update first to
1.5.3. - Then update to
2.1.4. (sing .wmi.e.xim, enables usage of .tpack image type). - Finally, update to
3.0.3(using .tpack).
Note: It is possible to update devices usng .tpack only if they have connected to FOTAWEB previously.
Downgrade Policy
- Downgrades from
1.x.x→0.x.xare not allowed - Downgrades from
2.x.x→1.x.xor0.x.xare not allowed - Downgrades from
3.x.x→2.x.xor1.x.xor0.x.xare not allowed
Hardware Support
Some hardware versions are deprecated and not supported by newer firmware.
Please always verify device compatibility in the Firmware Versions Table.
If unsure, contact your Sales Manager or Support via HelpDesk System.
Recommended Versions
To find the correct recommended version for your device, refer to our wiki page: → Firmware Versions