Electronics > RF, Microwave, Ham Radio

Quansheng UV-K5(8) firmware modding

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radiolistener:
just bought Quansheng UV-K5-8 radio.
I want to play with custom firmwares with AM/SSB and spectrum view.
But first I want to backup factory firmware and calibration data. But it's not clear, how to do it on linux?

I read that on windows it can be done with k5prog-win which is designed for Windows and is based on k5prog which is available on linux.

Tried k5prog:

--- Code: ---$ ./k5prog -r -v
Quansheng UV-K5 EEPROM programmer v0.9 (c) 2023 Jacek Lipkowski <sq5bpf@lipkowski.org>

k5_prepare: try 0
cmd: 15 05 ok:1
******  Connected to firmware version: [2.01.32]
Successfully read EEPROM

--- End code ---

It wrote k5_eeprom.raw file with size 8192 bytes. But I'm not sure is that eeprom file contains calibration data, or is it needs to be read with different command?


And I don't see the option in k5prog to read exiting firmware from radio. In documentation it has option -b to write firmware, but I want to read it from the radio. Is it possible?

radiolistener:
According to source code, it seems that the EEPROM size is 0x00002000 (8192) bytes.
And the last 0x00000200 (512) bytes is a calibration data block. Is it correct?

So, if I understand correctly, k5prog -r reads all EEPROM include factory calibration data and it is enough for backup. Is it correct?

mag_therm:
In case you have not already,
search "Chirp" and "Quansheng UV-K5-8 firmware"
They might get you to a forum with users

radiolistener:
I was used Chirp on windows. But now I'm on linux and looking for linux software which is open source. Chirp is more general software, I want some specific for the radio to avoid a bunch of unwanted code and data.

At a glance it looks that k5prog is good enough for all modding stuff. I saved backup of EEPROM calibration data.

But I still didn't tried to flash custom firmware, because I don't know how to backup existing firmware.

It looks that there is no way to read existing firmware through baofeng cable. Is it correct?

pienari:
Hi.
I backupped old fw of my K5.
But never going to back, new modded works so well.
There is 2 different programs, fw updater and other to add frequency etc.
I have heard Chirp works but havent tested yet.

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