Forum / Apple Related / EFI Firmware Dumps/Requests / Change of SN on A1369 Change of SN on A1369
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Less More Posts: 33 Thank you received: 1 7 years 8 months ago #4204 by MMCH Is it possible to change the SN on a macbook air via the dump file?
if yes can one of you help me to do that?
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Less More Posts: 760 Karma: 23 Thank you received: 137 Less More Posts: 33 Thank you received: 1 Less More Posts: 760 Karma: 23 Thank you received: 137 7 years 8 months ago - 7 years 8 months ago #4224 by reverendalc Do you need password removal? Also what is the original serial
Here is new serial, no password.
Be sure to reset nvram on first boot, by holding CMD/OPT/P/R when you hear the chime, until you hear another chime.
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Less More Posts: 33 Thank you received: 1 Less More Posts: 760 Karma: 23 Thank you received: 137 7 years 8 months ago #4227 by reverendalc I updated my previous post with your dump, new serial and pw removed. Be sure to reset NVRAM on first boot
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Less More Posts: 33 Thank you received: 1 Less More Posts: 760 Karma: 23 Thank you received: 137 Less More Posts: 33 Thank you received: 1 7 years 8 months ago #4230 by MMCH PW is removed and Serial number is changed, every things works fine! thank you again
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Less More Posts: 33 Thank you received: 1 7 years 8 months ago #4231 by MMCH Can you tell me is there a guide on this homepage with tell how til change the Serial number?
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Less More Posts: 760 Karma: 23 Thank you received: 137 7 years 8 months ago #4233 by reverendalc There is a guide somewhere...
It's easy. Search dump for serial, replace serial...
Just use a good hex editor and search ascii not hex
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Less More Posts: 33 Thank you received: 1 7 years 8 months ago #4236 by MMCH can you also change SN on this macbook air:
i want you to change it to: C02GMMU7DJYD
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Less More Posts: 699 Karma: 29 Thank you received: 175 7 years 8 months ago #4237 by CygnusX1 MMCH wrote: can you also change SN on this macbook air:
i want you to change it to: C02GMMU7DJYD
Here ya go!
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Less More Posts: 760 Karma: 23 Thank you received: 137 7 years 8 months ago #4238 by reverendalc Would you consider booting those Macs with modified serial# with the AHT (apple hardware test) and seeing if that shows the new serial?
The two instances I've checked, AHT shows the serial as "?" After changing in EFI.
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Less More Posts: 699 Karma: 29 Thank you received: 175 7 years 8 months ago #4241 by CygnusX1 reverendalc wrote: Would you consider booting those Macs with modified serial# with the AHT (apple hardware test) and seeing if that shows the new serial?
The two instances I've checked, AHT shows the serial as "?" After changing in EFI.
It means it is an unknown serial number.
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Less More Posts: 760 Karma: 23 Thank you received: 137 7 years 8 months ago #4243 by reverendalc Understood, however this occurs even when inserting a serial from a Mac with the same order number.
I'd like to know more about spoofing the serial on all levels, not the OS X system profiler.
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Forum / Apple Related / EFI Firmware Dumps/Requests / Change of SN on A1369