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Hello everyone. Recently one person sent me a station with a problem - no backlight. Initially I blamed the firmware and of course I flashed it, but did not get the result right away, I had to study the details in more detail, which eventually gave a positive result. And since I have not yet had a video on the DMR station firmware on my channel, especially on openGD, I decided to document it and make it in the form of a small firmware instruction. As promised, I posted all the files for the firmware on Yandex.Disk with a description of which file is responsible for what. I remind you that it is better to write all questions to the mail - [email protected] Link to Yandex.Disk - https://clck.ru/3ByiVS For the development and support of the channel (purchase of stations for review and video instructions) T-Bank 2200 7001 4464 9109 Sberbank 4817 7603 4991 8122 #hamradio #radio amateur #firmware #tyt #opengd77 #uv390 #retevis #firmware