Introduction
This guide details the steps to take off the back cover of your Inter-tel IP 8660 handset.
Tools
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Unscrew the two black screws (8 mm long) located in the middle of the handset using #1 Phillips head.
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Pry the back cover off the headset using a spudger. It is best to pry at the top of the handset.
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Conclusion
To reassemble your device, follow these instructions in reverse order.