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T48G Firmware Upgrade Not Working
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James_Yealink Offline
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Posts: 1,159
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Post: #2
RE: T48G Firmware Upgrade Not Working
Hi,

Is there a value in Server URL filed under Setting-> Autoprovision?
If yes, please delete it then upgrade again. The firmware may be reverted by autoprovision before.

Regards,
James
06-19-2015 03:38 AM
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RE: T48G Firmware Upgrade Not Working - James_Yealink - 06-19-2015 03:38 AM

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