topic Re: mifare sector read only in NFC

mifare sector read only

lorenzo_poliba — Mon, 20 Jan 2020 23:27:22 GMT

Hi,I am using MIFARE CLASSIC EV1 for my vending machines but I can't write to sector 3 because it is read only. I have already made sure that the keys are correct.

how can I write to it? Thanks.

Re: mifare sector read only

Jonathan_Iglesias — Mon, 27 Jan 2020 17:59:04 GMT

Hi ,

unfortunately if you set the sector trailer to this, there is no way to modify it, since you set the Key A or B can only be used to read, please be careful with this and this is very strange because when a key is being used when you read the trailer it should return 0s.

and I see the card is answering with the key values, can you share more information of where you got the cards and things like that ? please send me a direct message.

Have a great day !

Jonathan

Re: mifare sector read only

lorenzo_newprofile — Fri, 16 Dec 2022 17:50:50 GMT

Ciao Giulio, il mio vecchio account è stato sospeso per inattività, sentiamoci su telegram, il mio username è: @genio0789