Important 6800 Series Sip Phone Firmware Upgrade Information; Important M685I Expansion Module Firmware Downgrade Information - Mitel 6863i Release Notes
6800 series
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Also See for 6863i:
- Administrator's manual (988 pages) ,
- User manual (162 pages) ,
- Configuration manual (32 pages)
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IMPORTANT 6800 SERIES SIP PHONE FIRMWARE UPGRADE
INFORMATION
WARNING: DO NOT ATTEMPT TO UPGRADE YOUR PHONE TO RELEASE 4.2.0
SP1 FROM A RELEASE LOWER THAN 4.2.0 WHEN IN WEB RECOVERY MODE.
DOING SO WILL CAUSE YOUR PHONE TO BECOME NON-OPERATIONAL.
IMPORTANT M685I EXPANSION MODULE FIRMWARE DOWNGRADE
INFORMATION
If you upgrade your phone from a release lower than 4.2.0 to Release 4.2.0 SP1 and an M685i
Expansion Module is attached, the M685i Expansion Module will also upgrade to align itself
with the new UI changes.
If downgrading the phone with an M685i Expansion Module from Release 4.2.0 SP1 to a
firmware version of Release 4.1.0 (or below), it is required to first downgrade to a Release 4.1.0
Hot Fix or 4.1.0 Service Pack and then to the Release 4.1.0 (or below) firmware version in such
scenarios.
This will ensure the UI of the M685i Expansion Module is aligned with the UI at all times.
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