OpenGD77

Generally, I leave this topic because I don't put my ear to the speaker. Usually, with useful sounds and a certain volume set, this is not noticed. I simply pointed out that such a thing exists, but I can live with it.

Thanks. Now I know.

Topic solved. I had to run the "select official firmware (donor) file" procedure again. I don't know why this needed reminding. Now you can enter a link to the new firmware.

I cannot upload the firmware to DM-1701. The cable is good because you can download the codeplug, but when you try to upload the firmware, you cannot select the file to upload, the button is grayed out. The words Firmware loader (FM only) appear in the loading window. I have not observed such a situ...

Sorry, I didn't read this article because I received information from another source. Unfortunately, the radio still does not transmit or receive despite the F/W factory reset. Something happened after the upgrade on the factory F/W, it may be something with the hardware, but without a diagram it is...

I don't have the same radio as you but I think the Official CPS is similar on all these radios. You could try this to disable the password checking. It works on TYT and Retevis radios so it may work on yours. Look in the folder on your computer that contains the CPS. You should find a file called s...

That's it, it helped. Thank you.

Unfortunately this password doesn't work

I entered through DFU and uploaded the old F/W, but now I can't upload the codeplug because it asks for a password I don't know.

I managed to set the DFU mode to upload the old F/W, but to upload the old codeplug it asks for a password and now I don't know what it is.