Introduction
Follow this guide if you need to replace the keyboard and navigation keys on your HTC SMT 6175 phone. The navigation keys are the hard, directional keys on the front of the phone. The qwerty keyboard are the soft keys on the front of the phone.
Before you begin the repair, be sure to power off your phone and unplug it from the charger.
Tools
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Using both thumbs, push the back side of the phone's exterior up and remove the front face of the phone.
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To remove the navigation keys on the front of the phone, remove the four screws securing the navigation keys using a Phillips screwdriver.
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Remove the navigation keys from the front of the phone.
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Conclusion
To reassemble your device, follow these instructions in reverse order.