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Yealink Forums » IP Phone Series » Phone specific topic » T2xP Series » Trouble Upgrading SIP-T22P Firmware

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Trouble Upgrading SIP-T22P Firmware
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Abe1048 Offline
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RE: Trouble Upgrading SIP-T22P Firmware
(10-22-2014 11:11 PM)BurtonD Wrote:  I am currently on the 7.60.72.1 Firmware, if I try to upgrade to the 7.72.0.80, it will complete the upgrade, but then a few seconds later it was restart and revert back to the 7.60.72.1. Our phone provider say they don't prevent upgrading the firmware.

Anything I could try?

Hi, you might want to try upgrading first to 70 and then to 72, and if that doesn't help then upgrade first to 61 and then go up.
All the best,
Abe
10-22-2014 11:17 PM
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RE: Trouble Upgrading SIP-T22P Firmware - Abe1048 - 10-22-2014 11:17 PM

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