S4 M919 T-Mobile Unlock Done

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Procedure: root first
micro-uart cable:
1. Phone must be powered on.
2. Type *#7284# and choose Modem for UART and PDA for USB options.
3. Type *#9090# and choose DM over UART.
4. Connect the phone to UART port.
5. Choose correct COM port in port settings
6. Press "Unlock" button
micro-USB cable:
1. Phone must be powered on.
2. Type *#7284# and choose Modem for USB and PDA for UART options.
3. Type *#9090# and choose DM\DUM over HS-USB.
4. Reboot phone.
5. Connect USB cable, install drivers.
6. Select diagnostic port in port settings.
7. Press "Unlock" button.

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