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Hardware to change sd card cid3/15/2024 That would not be a problem always working on the same type of cards. You also wrote that it's not just sending CMD26 on SPI mode and it's need to knock SD or MicroSD card into firmware mode, then once done, they do accept CMD26 and permanently accept new CID values. So please, explain exactly with what kind of cards you were able to do the job possibly specifying their manufacturer, brand, type CSD and original CID (in order to know their manufacturer date). I'm pretty sure I'd be able to do the job but unluckily I can't find the right SD/MMC. I don't know what do you mean about the different ways for different controllers you wrote, but in my opinion I think with the right cards isn't too hard to achieve the goal. You wrote that it is possible but very time consuming do the job since you will need to come up with different ways for different controllers and also creating something (Universal) that will work with every controller is almost impossible. Once you can reach the target with a certain type of cards produced by a specific manufacturer, then surely you can repeat the job on others cards which are the same as model, brand and manufacturer. So actually your answer has to be interpreted academically rather than like a possible solution to the problem, being in the facts that in real life the things are far from being as you have described them.Īnyway, you wrote that each controller needs different methods, I guess you mean working on different cards produced by different manufacturer's brands. Mazda,Mercedes,AUDI,BMW sd card 8gb,16gb,32gb for GPS Navigation, changeable sd card cid Class 10 SD 8GB,6.26/PC MOQ:30PCS The CID number can only be set at the factory, please send us the CID number before placing your order. (Even if I'm pretty sure that your statements are based on something like this old document here I know I asked for a lot of informations and I hope you will answer. Knowing it would be possible to understand their manufacturer date and other useful parameters. You wrote 2 major manufacturers out of 4, but what exactly?Īn interesting thing would be if you could provide original CID and CSD of the cards that you have been able to change, is it possible? Please, could you tell exactly with which cards you were able to do that successfully?
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