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Author Topic: MotoTRBO DP series bricked radio - no flashzap  (Read 12241 times)
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« on: June 22, 2013, 11:30:00 AM »

Hello All,

I am not shy when it comes to repairing radios, mainly Tetra.
I was recently upgrading a DP3600 when at 26% it crashed. Normally I can recover these by switching off, holding down PTT + EMERGENCY and turning on - this shows "flashzap downloader bootloader" on the display, which allows for low-level flashing etc.
This time - NOTHING! Radio is dead. Displays no errors, and will not load into flashzap mode. Obviously it is not being detected by the PC as well.
Am I to assume that the radio has to go back to the big M?
In motorola tetra terminals you force the bootloader into the device using RS232 and special tricks. I do not play with TRBO that often so I am at a loss here.
Any help?
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« Reply #1 on: June 22, 2013, 04:03:24 PM »


Without teaching to suck eggs, have you tried the recovery feature in the CPS itself? I've had a couple of DP3400's throw their dummies out on FW upgrades and managed to recover them using the CPS tool. However, if the PC isn't 'bong-binging' on connecting that doesn't sound good!

I am yet to hear of a totally corrupted TRBO unit thus far... Hopefully you're not the first!
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« Reply #2 on: June 22, 2013, 05:57:43 PM »

It is dead - no usb connection or anything.  I have had 3 before knacker during upgrades and I have always got them back as they enter flashzap mode with the PTT + EMER key then powering on. This one truly is dead! If I am the first then it wouldn't surprise me!
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« Reply #3 on: June 30, 2013, 07:57:55 AM »

Quote from the Big M - 179.99 + VAT = 215 for repair! I think not.
I will wait until I can get the RS232 serial cable then force the flashzap loader back into the radio.
There products are not much different than their Tetra Series.

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« Reply #4 on: February 16, 2016, 11:31:31 AM »

I have exactly the same problem...
Please advise !
Andreas GH
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« Reply #5 on: December 04, 2019, 06:07:23 PM »

I have the same problem with a DP1400
Did someone fixed the problem?
I only got upstart kernels for Tetra radios and these kernels do not work with MOTOTRBO radios.

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