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Install the battery
Warning
Take care not to damage the battery contacts within the handset when you remove the battery from the handset.
Take special care not to touch, compress, or come into contact with the battery contacts in any way or damage
may occur.
Warning
Use only the Cisco-branded batteries for this phone. If you attempt to use a third-party battery, you will receive
an error and the battery will not work. We don't support damage from attempting to use third-party batteries.
Procedure
Step 1
Locate the two battery tabs on the top edge of the battery.
Step 2
Locate the two slots in the wall at the top of the phone battery compartment.
Step 3
Position the battery at an angle approximately 45–60 degrees to the phone battery compartment.
Point the battery edge with the two plastic tabs toward the two slots in the battery compartment.
Cisco Wireless Phone 840 and 860 User Guide
40
Phone setup
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