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Hi

I have been delivered new TRB141 devices with  Firmware Version TRB41411_R_00.0104.3 and require the lastest firmware editions 2.05.* but when I try and upload the bin file it suggests the file is in an "incorrect format". If I try server based upgrade it works, but I do have to upgrade the firmware 3 times to arrive at the lastest release. I dont wish to use the server upgrade file path because the SIM card is on a metered network.

If it is required to upgrade progressively - how do you do this with the *.bin files.  The website only seems to have 2.03.* as the oldest.

Any advise on how to efficiently upgrade the firmware would be appreciated.

Ian

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Hello,

You need to upgrade the TRB device to the legacy firmware first then upgrade to the latest one.

You can get the procedure on this link: https://wiki.teltonika-networks.com/view/TRB140_Legacy_FW_Upgrade_Instructions

Hope it helps

Regards,

Jerome
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