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Root CM10 changed my mac address.

I flashed my two LG Motion yesterday and their wifi performance was incredibly slow. Spent a whole day to figure out what' going on. Turned out cm10 changed their mac addresses and now the mac addresses are same. If I turn one device offline then the other will have no wifi problem. But they can't connect to same router same time.

Any fix idea?
 
Yes I did.
The mac address has been written in system/ect/firmware/wlan/prima/wcnss_qcom_wlan_nv.bin. Edit the file to assign a new mac address.
Wow, thanks alot! I have been looking for days where it is stored and couldn't find it. What did you use to edit the file?
 
Tried editing the file in hex editor app instead of on pc and worked! Thanks

(There was no line with my mac when I copied the file to my pc and tried editing)
 
I have the same issue except on CM11. The hex editor in the play store kept crashing. I managed to edit the file in windows but when I tried to replace the old file with the newly edited file, I got permission denied.
 
I have the same issue except on CM11. The hex editor in the play store kept crashing. I managed to edit the file in windows but when I tried to replace the old file with the newly edited file, I got permission denied.
Change permission in file explorer is easy.
 
Plz help me friendzz:-
How to edit wcnss_qcom_wlan_nv.bin file...I searched every single letter with hex editor... I got nothing related to my Mac address's.....Plz explain the editing process in full details.......plzzzzzzzzzzzzZ
 
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