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Yealink Forums » IP Phone Series » T4x Series » Missing Upgrade Button at webui

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Missing Upgrade Button at webui
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Yealink Support Offline
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Posts: 2,683
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Post: #4
RE: Missing Upgrade Button at webui
1. Can you reset to factory and test again?
Long press OK button when phone is idle.

2. Ask your distibutor for help. They have many ways to help you out.
03-01-2014 11:09 AM
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RE: Missing Upgrade Button at webui - Yealink Support - 03-01-2014 11:09 AM

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