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Cant program or flash HYT TM-628H

L3KDE

Coffee Grounder (Lightning Proof)
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Aug 17, 2021
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Ive got a bunch of HYT (early Hytera) TM-628H analog radio. All the same model #s.

Some of them I can program fine with the HM628E programming software, but some of them say "Unable to find matching version file. Please upgrade."

I cant find any software versions newer than 1.01.05 anywhere, so I figured maybe it's the firmware. I have an update tool that upgrades tm628 to v1.01.14 but it says "Failed to open com port"

Anyone know how I can reprogram these old HYTs?
 

sammy54322

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Have you asked around at some Hytera dealers? I find some are quite happy to go have a look and see if they can find info/software for me and they should have access to whatever the latest version is for both CPS and FW.
 
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