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#1 2014-05-19 12:41:20

FYLF001
Member
Registered: 2014-05-19
Posts: 3

T5577 Serial Number

Is there any way to either (a) change the serial number (T5577 Page 1 Block 1 and Block 2)

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#2 2014-05-19 12:58:10

app_o1
Contributor
Registered: 2013-06-22
Posts: 247

Re: T5577 Serial Number

The Block 1 and Block 2 of Page 1 are programmed and locked by Atmel during production testing.
If bits 1 to 4 of the Block 3, page 1 is set to "6", then the complete page cannot be overwritten by any test write command.
I think you can order T5577 with Block 3, page 1 set to 0x0000 0000

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#3 2014-05-20 10:50:46

FYLF001
Member
Registered: 2014-05-19
Posts: 3

Re: T5577 Serial Number

I mean I want to clone T5577‘s Serial Number

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#4 2014-05-21 13:53:54

marshmellow
Contributor
From: US
Registered: 2013-06-10
Posts: 2,302

Re: T5577 Serial Number

it cannot be done as it is locked from the factory.

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#5 2014-10-08 21:03:55

iceman
Administrator
Registered: 2013-04-25
Posts: 9,495
Website

Re: T5577 Serial Number

Question:   Can the Pag1/Block2  (0-1-2) be read ?   
Question:   What is the test commands mentioned earlier?

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#6 2014-10-08 22:35:04

marshmellow
Contributor
From: US
Registered: 2013-06-10
Posts: 2,302

Re: T5577 Serial Number

Page 1 Blocks 0-2 can all be read.  Page 1 Block 2 can be programmed as well (0 and 1 are write protected from the chip factory).  i haven't tried with the proxmark but i have another reader that can perform this read easily.  though in code it often refers to page 1 block 2 as Block 10 (might just be that reader).

edit: they can be read as long as password mode is not set (or you have the password).

Last edited by marshmellow (2014-10-08 22:35:49)

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