samsung I937 unlock done by Z3X

[BLIND]

samsung i937 galing state lock at&t

tools: Z3X & micro-usb

procedure
micro-USB cable
1. Phone must be powered on.
2. Type ##634#
3. Type *#7284# and choise Modem, USD Diag.
4. Connect USB cable, install drivers.
5. Select diagnostic port in port settings.
6. Press "Unlock" button.

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unlocking time

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DONE

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