#Mazda toolbox update reddit recognizing sd card software
Now, you come with an official card, having a license file linked to its own CID, then you have a problem - because the CMU is still not reading the actual CID (the software function doing it is no longer doing it, it just returns the value with which you patched it). And that exact CID is obviously linked in the license file found on that card (I'm talking about the lyc file, not the device.nng - which indeed is then generated by the CMU based also on the VIN). Stay away of CMU FW >= 59.xx.502 unless you know what the implications are (lock out).Ĭlick to expand.The CMU hack makes the CMU think that whatever SD card you use has a specific CID (card ID) - the CID with which you patched it, although in reality this is not the case. I don't think mere factory reset would suffice. Either by copying original unaltered file jci-linux_im圆_volans-release back to CMU or by performing CMU FW update. Assuming your original card is not physically damaged.īe warned, prerequisity for an original navigation card to work in your car again is to get the CMU navigation hack removed / undone. Have you done that backup and have you attempted to recover your original card from that backup? That would at least worth a try. You're probalby not aware but backup of essential files takes less than a second and about silly 20KB of storage - just copy "license" folder from root of the card and be done with it, all other content is disposable.īesides that, Mazda Toolbox performs backup of (what I believe are just unique license files as the backup completes in an instant) on it's own prior updating maps. You should've known better and backup the original card while it was operable, or at least before formatting the card. Later CMU FWs may not be easily or at all navi-hackable, things like that. Eventual CMU FW updates would revert the navigation hack and you'd have to re-apply that in order to make navigation work again. I mean, now you're at risk that map updates will stop coming for pirated card at any point. The downside is that you wasted your valueable original card (with unique CID and licence file) and replaced it with generic "pirated" card that only works along with hack applied to navigation software in your car.
Well, good to know you have navigation up and running again.
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