sgtstadanko Posted May 21, 2016 Report Share Posted May 21, 2016 Hey guys. I am trying to get my AVH-4200 into testmode. I have generated the file using the perl script from github like so: perl encode.pl 007SERVICE003ALL00833333333007SERVICE0082013010100820201230000 TESTMODE_A.KEY I then placed it in root of USB drive and plugged into unit and turned it on. It still doesnt boot into testmode. I also tried renaming it to TESTMODE_A.KEY and also again by making it all lower case on both names. Nothing. Am I missing something or is the procedure or string different for the 4200. Ive also tried a few different testmode.key files i googled and found here but still not working. Any help would be appreciated. Quote Link to post Share on other sites
sgtstadanko Posted May 21, 2016 Report Share Posted May 21, 2016 Got test mode working. yay! but not sure where to dump/remove passcode on the unit. Any ideas? A lot of the directions i see on forum are for a windows based unit. This is android. Quote Link to post Share on other sites
MAXBLOCK88 Posted October 18, 2016 Report Share Posted October 18, 2016 I WANT TO UPGRADE MY 4000 NEX TO THE 4100 OR 4200 SOFTWARE. DOES ANYONE ACTUALLY HAVE THAT SOFTWARE AVAILABLE? ANY HELP WOULD BE GREATLY APPRECIATED AND THANKS IN ADVANCE. Quote Link to post Share on other sites
Mod2Future Posted October 20, 2016 Report Share Posted October 20, 2016 Uploads are down Quote Link to post Share on other sites
WhatIsWhatIsWhatIsWhat Posted October 20, 2016 Report Share Posted October 20, 2016 This topic is almost completely abandoned as I know, but some people in our groupchat have good progress in upgrading (both hardware and software). Some Gods of soldering and reverse engineering even upgraded RAM and other chips. Quote Link to post Share on other sites
cariacou Posted October 22, 2016 Report Share Posted October 22, 2016 I WANT TO UPGRADE MY 4000 NEX TO THE 4100 OR 4200 SOFTWARE. DOES ANYONE ACTUALLY HAVE THAT SOFTWARE AVAILABLE? ANY HELP WOULD BE GREATLY APPRECIATED AND THANKS IN ADVANCE. x000 -> x100 is possible (same hardware). x200 has a different hardware. so impossible to upgrade from previous gen. Quote Link to post Share on other sites
newtonfb Posted November 16, 2017 Report Share Posted November 16, 2017 x000 -> x100 is possible (same hardware). x200 has a different hardware. so impossible to upgrade from previous gen. Can anyone share the software hack to get the 4000nex upgraded to 4100 software? I would love to use android auto Quote Link to post Share on other sites
Jeramy1time Posted March 23, 2018 Report Share Posted March 23, 2018 back from the deaddd..anybody have the files to upload once agian,.....dfgh\ Quote Link to post Share on other sites
RYANPSTEEL Posted June 26, 2018 Report Share Posted June 26, 2018 w4400nex how to bypass e brake Quote Link to post Share on other sites
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