So, which has the color/temperature setting can't be reset. This means that pages 3 to 15 of the tag are irreversably locked and can't be rewritten. When the last 4 digits of reads as follows: You may need another Android device or something else like an Arduino and NFC shield to read and rewrite. If your device identifies the tag incorrectly be warned it may not be able to use the key to read and rewrite the tag. In this case the tag was taken to a different device where the key was then used successfully. While the information included in the picture can be forward and the key can be found from this info, the app was not able to use the password due to the device identifying the tag as the wrong type. It is known that on at least one Android device the phone identified the tag as a MiFare Ultralight instead of what it actually is (an NTAG213) as can be seen in the picture above. Now Change Firmware to Older Version for Reset Tags to work and reset over and over again. Also, if you have the choice don't upgrade to firmware version 2.2.6 if you want to reset chips. It seems to happen to chips that have been run all the way to empty, do not run any chip you want to reset to empty, reset before you hit zero. We are working on figuring out what it is recording and if there is data set that will reset it, but at this time we have not figured it out. Just be warned that this firmware may be recording something on the tag and length and giving errors when the number ends up higher. See Link Below for Rolling Back Firmware to something newer:Īt this time we are having issues with getting the correct reset values for firmware version 2.2.6. Other then that please just experiment and if you are successful post a comment or let us know on the forum.įix Found - Firmware can now be rolled back on there is a thread where someone shares a theory on rolling back using the 2.2.7 firmware that you can try. At this time no one has reported getting anything to work to roll back from 2.2.7. At this time the procedure below shown in the instructable linked below for 2.2.6 does not work for firmware version 2.2.7.
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