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How to fix for AVH-W4400NEX boot loop


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Hi guys

Had this problem today, and thankfully this forum exists so manage to rummage through the pages and then put a fix together.  Thought I'd save future people some hassle and just put in one thread (I dont take credit for the IMG, it was found in the IMG thread but here goes)

This will repair the boot loop loading screen.

First off, you'll need a replacement SD card, the one I used was still stuck in the headunit as I used to use it for firmware updates and had a few tracks on.  The image file is just over 8gig but I used a 64gb one because it was what I had.  I'm sure a 16gb would work fine.  This was formatted to ex-fat.

Here is a link for the IMG file download (credit to Jamesl75 who posted it on the other thread)

https://mega.nz/file/SdJCgKCJ#13zrFlogMCWNohCvuFsDFcC1uniHgufVZJxZlQPHUag

Once you've downloaded that file, unrar it and save it on your desktop.

Next download win32 disk image https://sourceforge.net/projects/win32diskimager/

Open win32 diskimage, open the img file from your desktop then select the SD card drive... lets it do its thing for 4-5 minutes.  Note the finished SD card was unreadable on my laptop... at first I thought this was a problem, but turns it it worked perfectly fine.

Next involves the stripping down of your headunit to get to the memory card.  I used this youtube video below.  Did everything except disconnect the last ribbon connecting the metal face backing to the unit... managed to angle the black plastic backing to give me just enough space to get the old card out and the new one in.

https://www.youtube.com/watch?v=2cHp6jxD5R8

Then fit back into your car and it should work!! It did for me, and literally took me all of 20 minutes of get done and enjoy your working headunit again

 

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  • 3 weeks later...

I had the exact same issue recently, and used this same image written to a 32gb MicroSD in an adapter with no issues. I was able to manipulate the front bezel after removing just two screws (and not the mechanical slide on the bottom) to eject the OE SD card and tightly insert the replacement, done in 5minutes. Just in case that link goes down, here are the known AVH/SPH images as a backup: http://sixgov.com/filestorage/forums/avic411/

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  • 4 weeks later...

hi, i just tried a the download on two images, I have an AVH-W4400NEX, and it appears to work fine, but no audio can be heard, just visual progress of songs with any source.  Also noticed that the HD radio is not showing any stations or ability to tune to one, so do you think i may have an image issue.  I am using Balena Etcher to burn the image and it goes well.  puzzled, any suggestions?

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7 hours ago, Eli C. said:

hi, i just tried a the download on two images, I have an AVH-W4400NEX, and it appears to work fine, but no audio can be heard, just visual progress of songs with any source.  Also noticed that the HD radio is not showing any stations or ability to tune to one, so do you think i may have an image issue.  I am using Balena Etcher to burn the image and it goes well.  puzzled, any suggestions?

is it possible to download the files from pioneers and burn it to a SDHC?  or is it some sort of weird file structure?

 

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  • 3 weeks later...
On 2/24/2021 at 2:45 PM, industrial6 said:

I had the exact same issue recently, and used this same image written to a 32gb MicroSD in an adapter with no issues. I was able to manipulate the front bezel after removing just two screws (and not the mechanical slide on the bottom) to eject the OE SD card and tightly insert the replacement, done in 5minutes. Just in case that link goes down, here are the known AVH/SPH images as a backup: http://sixgov.com/filestorage/forums/avic411/

Do you know which firmware this includes? I downloaded the other one and got my HU back up and running, but I cant get wireless android auto to work. The only thing that's different from what I had before is that the firmware in that img is 1.02. It worked flawlessly for me at 1.01, so I'm hoping to find a new disk img that has 1.01 instead as you can't downgrade these units through the software.

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  • 3 weeks later...
On 4/13/2021 at 10:57 AM, Kyleboedeker said:

Do you know which firmware this includes? I downloaded the other one and got my HU back up and running, but I cant get wireless android auto to work. The only thing that's different from what I had before is that the firmware in that img is 1.02. It worked flawlessly for me at 1.01, so I'm hoping to find a new disk img that has 1.01 instead as you can't downgrade these units through the software.

It's the 1.02 - I have never seen a 1.01 OE image posted here. I'll rename it in that link for absolute clarity. If I ever spot it I'll put the 1.01 there too.

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