If You Drop Your Phone In Water; Best Practices For Battery Power Conservation - Cisco 8821 Administration Manual

Best Practices for Battery Power Conservation

Procedure
Step 1 Remove the phone from the charger or unplug it from the charging cable.
Step 2 If the phone is in a protective case, remove the phone from the case.
Step 3 Wipe the phone and screen with a soft, lint-free cloth.

If You Drop Your Phone in Water

If you drop your phone in water, here's what you do:
• Gently shake the water off the phone.
• Dry the phone with a soft, dry, lint-free cloth.
• Leave your phone in a dry area with some air flow; for example, a fan blowing cool air can be directed
Here are some things you don't do:
• Don't open the battery door while the phone is wet.
• Don't use compressed air to blow off the water.
• Don't use a hair dryer to dry off the phone.
• Don't put a cotton swab, paper towel, or cloth into the headset jack or inside the battery compartment.
• Don't tap the phone on a hard surface.
• Don't charge a wet phone using the charging cable. You must wait until the phone is completely dry.
• Don't put a wet phone into the desktop charger, or multicharger. You must wait until the phone is
To ensure that the phone does not get water into the battery compartment, make sure that the compartment
Caution
is tightly closed. See
If the sound is muffled after you dry the phone, there may still be water in the microphone or speaker
compartments. Place your phone, speaker-side down, on a dry, lint-free cloth to see if water drips out. If
there is still water in the phone, allow the phone to completely dry before you use it.
Best Practices for Battery Power Conservation
The Cisco Wireless IP Phone 8821 and 8821-EX has a 2060-mAh smart battery. The battery capacity is
reduced to 80% after 500 full charging cycles (charging from empty to full). The battery life also depends on
the phone state and AP scanning configuration.
Cisco Wireless IP Phone 8821 and 8821-EX Administration Guide for Cisco Unified Communications Manager
8
onto the phone speaker grill to help the phone dry out.
completely dry.
Install the Phone Battery, on page 31.
Your Phone