Zte R528 User Manual page 12

 The battery can be recharged for hundreds of times, but it will eventually
wear out. When the operating time (talk time and idle time) is
noticeably shorter than normal, it is time to replace it with a new one.
 Please stop using the charger and battery when they are damaged
or show evidence of aging.
 Return the worn-out battery to the provider or dispose of it in accordance
with environment regulations. Do not dispose of it in household rubbish.
 Please use original batteries or batteries approved by the phone
manufacturer. Using any unauthorized battery may affect your handset
performance or may cause danger of explosion, etc.
Warning: If the battery is damaged, do not discharge it. If the leakage
does come into contact with the eyes or skin, wash thoroughly in clean
water and consult a doctor.
FCC Compliance
This device complies with Part 15 of the FCC Rules. Operation is subject
to the following two conditions: (1) this device may not cause harmful
interference, and (2) this device must accept any interference received,
including interference thatmay cause undesired operation.
Caution: Changes or modifications not expressly approved by the
manufacturer could void the user‟s authority to operate the equipment.
Note: This equipment has been tested and found to comply with the
limits for a Class B digital device, pursuant to part 15 of the FCC Rules.
These limits are designed to provide reasonable protection against
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