Hello.
At first do these steps:
Quote:
Select "File transfer" mode in "Use USB connection for" window, then press "Always";
Type 277634#*# or *#546368#*831# or 3845*#831#, go to "Port Check Test" (or "SVC Menu -> Port Check Test") and switch "Port Check Test" to "Enabled".
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Then repeat Unlock operation once again, post here results.