Topic: right way to write to ultralight
this is my first topic, i want to ask you guys i have mifare ultralight and i want to change page 3
u know that page 3 is OTP(one time programmable)
04 f8 6c 18 92 1e 39 80 35 48 f2 03 2f ff ff fc
and page num 3 is not lock i can change the value like 0f ff ff f0 and show me that -ok- and when after i read again the code i see that the code in page 3 dose not change page 0 to 2 is lock
and how can i erase page 3 and write it completly that can work ??