JerryHa Posted March 9, 2017 Report Share Posted March 9, 2017 My 4000Nex recently stopped working on me after 2 years of regular use. It would boot to the screen with the Pioneer logo and "Loading..." for about 15 seconds and restart over and over. I have tried: -Disconnecting the car battery -Pressing the tiny reset button I believe the internal SD card is corrupted and will need to be replaced. Where can I find instructions on replacing the SD card and flashing the new SD card with the backup image? Thanks! Quote Link to post Share on other sites
JerryHa Posted April 2, 2017 Author Report Share Posted April 2, 2017 bump Quote Link to post Share on other sites
jhyphinwill Posted April 18, 2017 Report Share Posted April 18, 2017 Hi Jerry, I am in the same exact boat. Had the unit for 2 years then it started to do the continuous boot screen restarts. I pulled out the internal SD and found that it wasn't recognized by a Windows or Mac system. Still waiting for a backup img for the 4000nex. The internal SD card is located below the CD transport on the front right side. See the photo in the link below. https://www.dropbox.com/s/257feg05qzcc33d/4000nex_SD_Location.png?dl=0 Quote Link to post Share on other sites
jhyphinwill Posted April 19, 2017 Report Share Posted April 19, 2017 Hi Guys, I was able to get my unit fixed after chatting with the helpful folks on the slack channel below. They can provide the img files and any additional help you may need at restoring your unit. Good luck! https://avicsignup.herokuapp.com/ Quote Link to post Share on other sites
vasili_84 Posted July 16, 2018 Report Share Posted July 16, 2018 All regards to me tonight, I will write a detailed instruction on how to restore your device from any state. Quote Link to post Share on other sites
jthatcher Posted November 17, 2018 Report Share Posted November 17, 2018 On 7/16/2018 at 3:30 AM, vasili_84 said: All regards to me tonight, I will write a detailed instruction on how to restore your device from any state. Dang. I need this actually. MY head unit has worked fine for 3 years and randomly started doing the dreaded boot loop. I am reading through the forums thoroughly before attempting to modify or change the firmware. looks like the general consensus is that the internal sd card is bad. Can anyone help a brother out with a walk through? TY Quote Link to post Share on other sites
Jayrobles25 Posted August 2, 2019 Report Share Posted August 2, 2019 On 11/16/2018 at 9:07 PM, jthatcher said: Dang. I need this actually. MY head unit has worked fine for 3 years and randomly started doing the dreaded boot loop. I am reading through the forums thoroughly before attempting to modify or change the firmware. looks like the general consensus is that the internal sd card is bad. Can anyone help a brother out with a walk through? TY Did you ever get any help with this??? I’m finding myself in the same boat. Quote Link to post Share on other sites
Pinksock123 Posted July 13, 2020 Report Share Posted July 13, 2020 Same problem but cant get to the SD as the screen won't flip up so I can remove it as it won't fully boot up. I had 1 day that it suddenly worked fine but after turning the truck off again it went right back into boot loop. Quote Link to post Share on other sites
K5NWZ Posted August 30, 2020 Report Share Posted August 30, 2020 same problem here. Stuck in a loop. Tried disconnecting the battery and resetting. My customer splash screen image is still there so I'm not even sure if I actually reset it . No help. Can open face to get to the SD card because It won't open. How can I get it to reset? Quote Link to post Share on other sites
Nickd54 Posted September 12, 2020 Report Share Posted September 12, 2020 I have a 4500NEX a little passed the 1 year warranty. Was working fine and like others have said, shut vehicle off went into a store, come back out and all of a sudden getting the boot loop everytime. I can’t access the SD card because it never fully boots. I’m hoping somebody has some knowledge to drop or link Quote Link to post Share on other sites
iphydeauxi Posted January 22, 2021 Report Share Posted January 22, 2021 Did you fix it? Can we get some more info about the install? Is there an interface or is it a basic harness install? Were crimp connectors used or was it soldered? Quote Link to post Share on other sites
drmcmasters Posted February 7, 2021 Report Share Posted February 7, 2021 Any way to get the faceplate off? My unit is doing the boot up looping problem. Quote Link to post Share on other sites
Bob8863 Posted September 3, 2021 Report Share Posted September 3, 2021 This forum seems pretty useless as far as I can tell. It has lots of people with the same Pioneer radio problem... but no solutions. Quote Link to post Share on other sites
Bob8863 Posted September 4, 2021 Report Share Posted September 4, 2021 Does anyone know whether the image file for the 4400 will also work to solve the same boot loop problem on my 4200NEX ? Quote Link to post Share on other sites
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