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Hello friends. Is there a way to unlock a previously flashed SD card after being inserted into the player? I have an AVH-Z9250BT with boot issues, I flashed an SD card with the 4400nex firmware, and it boot perfectly, every functions works fine, except the AM-FM Radio, I tried to reflash the SD with another firmware, but it apear Access Denied error, and I can't format or reflash the same memory. I'll apreciate any help

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On 4/11/2024 at 1:58 AM, postmortem said:

Hello friends. Is there a way to unlock a previously flashed SD card after being inserted into the player? I have an AVH-Z9250BT with boot issues, I flashed an SD card with the 4400nex firmware, and it boot perfectly, every functions works fine, except the AM-FM Radio, I tried to reflash the SD with another firmware, but it apear Access Denied error, and I can't format or reflash the same memory. I'll apreciate any help

Look here:

https://avic411.com/index.php?/topic/90861-fix-sdcard-failed-software-error-on-your-w4500nex-look-here/page/3/#comments

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