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SL7550 Firmware

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n8dhw

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Just received a used SL7550 currently running R2.02.01 firmware. But when I try and update to the last release the CPS gets more than halfway then throws an error #8862 Application has encountered a problem. Failed to access a file in the device.

Have never run into that before I have several other TRBO radios and have never run into that error until this one.

Any ideas?

P.S Running CPS 14.0 on a Windows 7Pro laptop.


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Firebuff880

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More than likely you are trying to jump to far forward.

Start with something like 2.4 firmware before you try an jump to 2.6 or 2.7.




Just received a used SL7550 currently running R2.02.01 firmware. But when I try and update to the last release the CPS gets more than halfway then throws an error #8862 Application has encountered a problem. Failed to access a file in the device.

Have never run into that before I have several other TRBO radios and have never run into that error until this one.

Any ideas?

P.S Running CPS 14.0 on a Windows 7Pro laptop.


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n8dhw

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Well I found that the Tanapa Number in the code plug doesn't match the Tanapa Number on the rear label under the battery. That could be why it's not updating


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n8dhw

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More than likely you are trying to jump to far forward.



Start with something like 2.4 firmware before you try an jump to 2.6 or 2.7.


That's what I was thinking but don't have access to any earlier firmware packages than 2.7.


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n8dhw

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Attached are links to pics one showing rear label and the other showing the codeplug in CPS.


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