Cisco 8831 Series Troubleshooting Manual page 3
Hard factory reset
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Also See for 8831 Series:
- Administration manual (168 pages) ,
- User manual (96 pages) ,
- Features (17 pages)
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Step 4. Press and hold the MIC button for approximately five seconds, and then release it. The
lights should blink red twice.
Step 5. Press and hold the MIC button. After approximately five seconds, the lights should begin to
blink red continuously, which confirms the factory reset of the phone.
Click this video in order to view the procedure:
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