EHS Posted January 8, 2023 Report Share Posted January 8, 2023 Has anyone else bought the sd card from asd on ebay avh2avic? I bought one from him last year and just got around flashing my 4500 to 8500. Everything works great but Mrr. He had sent an email with instructions to program Mrr after the flash so it would work which I can't seen to locate. I am sure with what's going on with Russia/Ukraine he is being sanctioned. And may not be able to help.Question is again if someone has also done the swap here maybe someone would have the instructions and could help me out. The serial # didn't change but in Maestro I can't select the 8500 and use the 4500 serial # as it doesn't accept I had tried just reflashing the mrr with normal model # 4500 and it's serial # no luck it doesn't communicate. Quote Link to post Share on other sites
bstrutton Posted January 9, 2023 Report Share Posted January 9, 2023 Here is what I received regarding Maestro.. Hope it's helpful. Hello After replacing the SD card, the "Device Model" of your radio has changed. Now he's AVIC-W8500NEX you need to reprogram MRR. download Weblink Desktop to flash your module https://www.idatalinkmaestro.com/en select you car and AVIC-W8500NEX model and specify Device ID: Sbtm002063uc also you need to change the Device ID in the radio you must use the same number: Sbtm002063uc pdf instruction how to change Device iD in radio: https://mega.nz/file/7AJ2QDoY#2X7Y3WYWXrkw3bmVv2QqCk88nhqtbxa9Vz4K_e1jcc4 Quote Link to post Share on other sites
EHS Posted January 10, 2023 Author Report Share Posted January 10, 2023 All set everything back up and running! APPRECIATE your help on this!!!! Quote Link to post Share on other sites
bstrutton Posted January 10, 2023 Report Share Posted January 10, 2023 You're welcome. I'd be appreciative of a long term report after you've lived with it for a week or two. Stability? Full functionality? Do you find that the in-built nav messes with accessing apple maps or waze at all with voice commands, etc. My SD card came back to life just after I ordered the AvhtoAvic so I've been holding off. Good luck. Quote Link to post Share on other sites
dahobbs Posted May 27, 2023 Report Share Posted May 27, 2023 I have the w4400NEX and have yet to find anywhere to purchase the upgrade" card. Any suggestions??? Thx! Quote Link to post Share on other sites
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