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Question QPST - changes to NV items do not have any effect

31st January 2014, 02:23 PM |#1  
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Hello,

I am playing around with QPST RF NV Manager.

Whenever I do a change to an NV item, and write it back to the phone, the application does not complain or anything. But when I read the NV items back from the phone, it shows me the original value (my change is not there).

I tried working with QPST Service Programming, and it has the same problem.

Also I tried QPST software download to back up the NV items. Using xxd I converted the backup to hex file, did my changes in the hex, using xxd converted the manipulated hex back to binary format, Then I restored the NV items on the phone using the manipulated backup and it again does not have any effect.

FYI, I also played around with EFS Professional 2.072 and the changes also does not take place!.

Is there any setting somewhere that I need to change to make the changes for sure to be written into the phone?

BTW, when I put the phone in download mode (this was not when I was working with QPST stuff) I noticed that a grey text says: "Write protection: Enable". I wonder if this has any relationship to QPST problem!?!?!

Setup Environment:
Galaxy S4 T-Mobile Version.
4.2.2 Stock (Rooted) and sim unlocked.
Under QPST I see the correct port which detect the phone (under phone column I see a code and (0) )


Any hint will be appreciated.
Thanks
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