1-On the PC, you have to make the hidden folders visible:
Spoiler: Folders visible


or

Code:
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2-Then it is necessary to install Windows Mobile Device:
Spoiler: Windows Mobile Device
For Windows10 (use the translator):
Code:
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For windows Vista and Seven:
Code:
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3-Back up your Sony NV-U52F GPS.

4-Here is an unlock and an interface:
Spoiler: Script+Interface+iGO8

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5-The maps find them here:
[Only registered and activated users can see links. ]