Change MAC Adress Permanently - Galaxy S III Q&A, Help & Troubleshooting

Hi,
i tried to change my MAC Adress on the Galaxy s3 but none of the existing tutorials worked. The problem is i want to change the mac permanently. I already found a file in /efs/wifi/.mac.info but when i change the value and restart the phone it's set back to the old mac adress. The other tutorials are using nvram or something like that but i couldn't find that file. Do you have an idea of how to change this right?
Greets from Germany Nico

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change mac

hello I want to know how to change the mac address of an Archos 43 IT I heard of the technique to explore root will change the calibration file in / etc but I can not find it
thank you
1. of all - wich MAC u want to change? the NIC (Wifi Network) or Bluetooth
2. MAC is a Hardware Unique "Number" meaning it's saved on the hardwarechips - normaly can't be changed by software
3. I know there have been some spoofing tools around for "changing a MAC" addres but im not sure if we should help u with - as this is kinda hacking related - and just used for bull**** like "man in the middle" attacks and pretenting to be another machine... - so what do u need it for?
regards
FrEcP
i want chang my adress mac wifi on my archos 43 IT beaucause i have a probleme with my hotspot or spoofing mac is possible but how ?

Any way to change MAC and connect to Password Router?

Hi!
I tried several guides on the internet to change my MAC address, at first, using one of the "MAC spoofer" Apps, but they all just change it "softly" so you can't connect to Password protected Routers (same happens if you use the busybox/terminal method), but my router is password protected and i need that protection. Next i've tried this guide:
"After your rooted head into terminal emulation type su and go into /data/misc/wifi
Look for a file called nvram.txt
Copy it to your sdcard and then to your cpu desktop open it with notepad and at the bottom of nvram.txt is the mac address
This i was able to verify and test on android Citrus Ciena
Edit that mac address and save it as nvram1.txt onto sdcard
Now go back to data wifi misc and copy nvram.txt to nvram.bak
Head into gui and then settings then wifi then turn on the wifi but don't connect to any wifi
turn off the wifi,switch back to terminal
Copy the nvram1.txt to data misc wifi
remove the original (make sure you got it backed up)
Rename nvram1.txt to nvram.txt
head back into gui and then settings then wifi
Now for me it immediately stated unable to turn on wifi
Ignore it and try to turn it on anyways
When it turns on your newly edited mac address will take effect
Connect to your AP
NOW B4 REBOOTING YOU MUST CHANGE NVRAM BACK TO THE ORIGINAL!"
but I haven't found the nvram.txt, so i searched and searched and found out the "s3 version" of it, is "/etc/wifi/nvram_net.txt" but in this file, my s3 shows me a completely different MAC, as my handy actually has. I tried the method with this file anyway, but it didn't work, i still had my old mac, but the MAC written in the file was not reset, so it seems like the system doesn't even care about the MAC-line in that file. So next I found the ".mac.info" file in "/efc/wifi/" and in this file, there is just my MAC written, which really is my actual MAC. So i tried the Method i've pasted above with that file, and it didn't work, the system did just overwrite that file and as i checked after turning my WLAN back on, there was again my old MAC in the file. Then i tried changing it and making it read-only through Root Explorer, but it didn't work either. This time the system afterwards still had the old MAC, but the file didn't change, so in .mac.info there was still my new MAC written, but the system still had the old one. After some time i checken the file once again, and then suddenly the old MAC was written in the file, and the system did automaticly gave writing-permission back. Now i'm just desperate, so if anyone can tell my any method to change the MAC, which works on galaxy s3, please tell me.
Try Pry-Fi from Chainfire.
https://play.google.com/store/apps/details?id=eu.chainfire.pryfi
____________________________________________
P3110 / I9300 / I9100 / NEXUS 5 / iPAD2

Changing/Spoofing MAC Address[Solved]

Hi guys.....here is the way that helped me change my mac address permanently(surviving reboots).I have tried this in Redmi 3s Prime and can confirm that this works.
Note: take a backup of the *.qcn file of your own phone using the qpst tool and have it safe , so that you can restore it if anything goes wrong messing your imei or mac or when you want your original mac address back.
Required Tools can be downloaded either in the miui forum thread(Thanks to the thread creator) mentioned in step 1 or through this GDrive link : https://drive.google.com/folderview...ldGtWNHc&resourcekey=0-tvs1q3f3cTxYIltpcgD4VQ
So lets get started.
1 ) head over to this thread [ http://en.miui.com/thread-348525-1-1.html ]
and follow all the preparation steps(steps 1-8) including installation of software and configuring the phone in diag mode.
2 )Open qpst tool and StartClient-->SoftwareDownload.
then go to Backup and take a backup
3)Open a copy of the resulting file (*.qcn) in any hex editor and search your phone's mac address as hex.
Eg. : if your mac address is 01:02:03:04:05:06 search it as 010203040506
[IMAGE http://i65.tinypic.com/2006xxz.png ]
4)You will get some search results. Now edit every search result with your desired MAC address.
5)And finally restore this edited *.qcn file and reboot your phone once complete.
And that's it. You have successfully spoofed your MAC Address. :good:
VigneshGrK said:
Hi guys.....here is the way that helped me change my mac address permanently(surviving reboots).I have tried this in Redmi 3s Prime and can confirm that this works.
Note: take a backup of the *.qcn file of your own phone using the qpst tool and have it safe , so that you can restore it if anything goes wrong messing your imei or mac or when you want your original mac address back.
Required Tools can be downloaded either in the miui forum thread(Thanks to the thread creator) mentioned in step 1 or through this GDrive link : https://goo.gl/lrTdMb
So lets get started.
1 ) head over to this thread [ http://en.miui.com/thread-348525-1-1.html ]
and follow all the preparation steps(steps 1-8) including installation of software and configuring the phone in diag mode.
2 )Open qpst tool and StartClient-->SoftwareDownload.
then go to Backup and take a backup
3)Open a copy of the resulting file (*.qcn) in any hex editor and search your phone's mac address as hex.
Eg. : if your mac address is 01:02:03:04:05:06 search it as 010203040506
[IMAGE http://i65.tinypic.com/2006xxz.png ]
4)You will get some search results. Now edit every search result with your desired MAC address.
5)And finally restore this edited *.qcn file and reboot your phone once complete.
And that's it. You have successfully spoofed your MAC Address. :good:
Click to expand...
Click to collapse
Much appreciation for this guide.
It works for me although in my case for step no.3 the diff was when searching for the stock MAC address I had to set txt string not hex. Only then the hex editor could find the proper 4 placements from the backup.
Just in case if anyone else ran into the same search issue with the hex editor.
Sent from my Redmi 3S using Tapatalk
I followed the guide http://en.miui.com/thread-348525-1-1.html but not alright : i do see "diag,adb" BUT i only have one entry under COM Ports in device manager and NOTHING appears in QPST Configuration tool. No phone or ports opened. I followed process few times & no luck. What's wrong?
goja said:
I followed the guide http://en.miui.com/thread-348525-1-1.html but not alright : i do see "diag,adb" BUT i only have one entry under COM Ports in device manager and NOTHING appears in QPST Configuration tool. No phone or ports opened. I followed process few times & no luck. What's wrong?
Click to expand...
Click to collapse
Did you disable driver signature enforcement in windows before installing all the drivers??
If not Google how to disable and later install the drivers again and try. I had the same kind of problem. And this worked.
I just reboot without driver signature check & did process again : no changes.. :/
@VigneshGrK one (maybe more) question, where can i get *.xqcn or *.qcn file of required backup of *.qcn on QPST Software Download?
zainifame said:
@VigneshGrK one (maybe more) question, where can i get *.xqcn or *.qcn file of required backup of *.qcn on QPST Software Download?
Click to expand...
Click to collapse
Yeah. Step 2 here. In the backup tab. ?
VigneshGrK said:
Yeah. Step 2 here. In the backup tab.
Click to expand...
Click to collapse
lol for me i don't even try it and just asking to you haha i'm sorry bro thanks btw it work's for me spoofing redmi 3s (land) is need more step not like his brother redmi 3 (ido) just use change my mac app and mac is changing without reboot suddenly
Kinda long & risky but I confirm this method works on Redmi Note 4X SD. Even so it's not that practical, means that you can't change MAC Address on fly, every time you have to find a PC to change the MAC address.
Where is the address in QCN that store Wifi-Mac-Address data?
my mac address is 02:00:00:00:00:00 i dont know my old mac address so how can i find it in this qcn file?
can someone tell me the line where mac address is?
meanwhile, ive replace all "0200blabla" on that qcn file, then restore it , and i restart device and nothing happened, still same strange mac address(02:00:00...)
bonbonboi said:
Kinda long & risky but I confirm this method works on Redmi Note 4X SD. Even so it's not that practical, means that you can't change MAC Address on fly, every time you have to find a PC to change the MAC address.
Click to expand...
Click to collapse
Is it working in Redmi note 4 snapdragon???
vbchimtekar said:
Is it working in Redmi note 4 snapdragon???
Click to expand...
Click to collapse
Yes by using QPST Configuration.
not found
hello sir, can u help me please? i can not find my mac address.
It said "Search value not found". I use search as Text and Hex and the result is same. :crying:
How to spoof WiFi mac address for Snapdragon625 (Redmi 5Plus/Redmi Note 5 [indian])? I use this method but I can not find wifi mac address inside qcn file. I try to search hex number but no digit same like my device mac address.
i highly recommend to backup as xml format (.xqcn) with this format you can open .xqcn file using notepad++ to find your mac just search using your original mac e.g. 02:00:00:00:00:00 then just search using 02 00 00 separate by space or full digit without ":", for SD625 first test using this app if you facing force reboot then use guide from this thread, highly recommend to backup original .qcn/.xqcn if you want use this guide.
zainifame said:
i highly recommend to backup as xml format (.xqcn) with this format you can open .xqcn file using notepad++ to find your mac just search using your original mac e.g. 02:00:00:00:00:00 then just search using 02 00 00 separate by space or full digit without ":", for SD625 first test using this app if you facing force reboot then use guide from this thread, highly recommend to backup original .qcn/.xqcn if you want use this guide.
Click to expand...
Click to collapse
How to backup as xml format ?
QPST backup file as .qcn or .xqcn extension.
Change extension .xqcn to .xml then open it.
Or just open .xqcn on notepad++ ?
Please advice me.
kaew158 said:
How to backup as xml format ?
QPST backup file as .qcn or .xqcn extension.
Change extension .xqcn to .xml then open it.
Or just open .xqcn on notepad++ ?
Please advice me.
Click to expand...
Click to collapse
qpst give an option to backup as binary (qcn) or xml format (xqcn) while qpst ask you to save the file, you can't just rename the extension
zainifame said:
qpst give an option to backup as binary (qcn) or xml format (xqcn) while qpst ask you to save the file, you can't just rename the extension
Click to expand...
Click to collapse
I can change wifi mac address inside xqcn file on SD425 chipset but still not find original mac address inside xqcn file on SD625 chipset. I try notpad++,HxD , Hex Editor but can not find original mac address.
Next day I flash lineageOS Oreo 8.1 for SD625 (Redmi 5Plus)
https://androidfilehost.com/?w=files&flid=248291
Then wifi mac address was change permanently to new address. I try to change mac address with app (change my mac) on this ROM but my device reboot. How to change wifi mac address like this lineageOS ROM did?
kaew158 said:
I can change wifi mac address inside xqcn file on SD425 chipset but still not find original mac address inside xqcn file on SD625 chipset. I try notpad++,HxD , Hex Editor but can not find original mac address.
Next day I flash lineageOS Oreo 8.1 for SD625 (Redmi 5Plus)
https://androidfilehost.com/?w=files&flid=248291
Then wifi mac address was change permanently to new address. I try to change mac address with app (change my mac) on this ROM but my device reboot. How to change wifi mac address like this lineageOS ROM did?
Click to expand...
Click to collapse
well... if you backup as .xqcn notepad++ is enough no need using hxd, hex edit or etc because it is not binary format, to see your original mac it's appears on setting>about phone>status> wifi mac bla bla ..., if the mac change when you change rom it's about rom/kernel related to lineage or that custom rom you used and if you flash stock rom i'm sure it'll revert to original vendor mac, try to search using three group of your original mac on .xqcn, and if you still can't find it maybe it chipset related, but i think SD625 still family of SD425/430/435 series

Xperia XA Ultra F3211 nvram warning

Hi there
I have rooted my Xperia and installed the Xposed Framework.
Then I realised that I got the nvram warning err 0x10 displayed at my wifi networks. Turned out that my wifi mac address changed after every reboot (when I disabled and enabled my wifi the mac did not change).
So I searched the internet and found some information. I edited the WIFI file in the /data/nvram directory using a hex editor and changed my mac address to one which does not start with 00:. Now the mac does not change after rebooting but I get a nvram warning err 0x02 :/
I can't find a solution for this and I find it kind of annoying.
1. Does anyone have an idea what I could try?
2. Is there any possibility to read my original mac address? I've tried some tools but they all just display 20:00:00:00:00:00.
Looking forward to get some usefull tips
I too get the same error wifi but i actually thought someone named it that way. Never had to connect tomit though.
Good luck

"/sys/devices/soc.0/a000000.qcom,wcnss-wlan" wcnss_mac_addr

Hey guys,
I've found that my mac address in this file "wcnss_mac_addr" located at "/sys/devices/soc.0/a000000.qcom,wcnss-wlan" is 00:00:00:00:00,
and when i change it and confirm that was really changed i restart my device and check again this file and it's 0's again...
can someone explain to me why this is happening?
Obviously that's why my mac address is shown like 02:00:00:00:00:00 and cant turn on WIFI.
Any developer as a sugestion?
ps: my device is a Redmi Note 3 Pro SD.
Regards

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