Antenna safety, Battery safety – HTC EVO 4G User Manual
4A. Important Safety Information
DO NOT use unauthorized accessories.
DO NOT disassemble the device or its accessories. If service or repair is required, return unit to an
authorized Sprint service center. If the unit is disassembled, the risk of electric shock or fire may result.
Never allow metallic objects, such as staples and paper clips, to get into the inside of your device.
Never touch the liquid that might leak from a broken liquid crystal display. Contact with this liquid could
cause a skin rash. If the crystal display liquid should come into contact with the skin or clothing, wash it
immediately with clean water.
In the event that the device emits an unusual odor or sound or generates smoke, immediately disconnect
the AC phone charger from the power outlet, and then detach the battery.
Use only the supplied or an approved replacement antenna. Unauthorized antennas, modifications, or
attachments could impair call quality, damage your device, or result in violation of FCC regulations. Please
contact your local dealer for replacement antenna.
Do not use the device with a damaged antenna. If a damaged antenna comes into contact with the skin, a
minor burn may result. Please contact your local dealer for replacement antenna.
Your device uses a removable and rechargeable lithium ion battery. Please contact customer service for
assistance should you need a replacement battery.
Only use the battery and charger approved by the manufacturer.
Only use the battery for its original purpose.
Try to keep batteries at a temperature between 41°F (5°C) and 95°F (35°C).
If the battery is stored in temperatures above or below the recommended range, give it time to warm up or
cool down before using.
Completely drain the battery before recharging. It may take one to four days to completely drain.
Store the discharged battery in a cool, dark, and dry place.
Purchase a new battery when its operating time gradually decreases after fully charging.
Properly dispose of the battery according to local regulations.
Don’t attempt to disassemble the battery – it is a sealed unit with no serviceable parts.
Don’t expose the battery terminals to any other metal object (e.g., by carrying it in your pocket or purse
with other metallic objects such as coins, clips and pens). This can short circuit and critically damage the
Don’t leave the battery in hot or cold temps. Otherwise, it could significantly reduce the capacity and
lifetime of the battery.
Don’t dispose of the battery into a fire.
Lithium ion batteries are recyclable. When you replace the removable battery, please request the repair
center to recycle the battery in accordance with RBRC standards. When disposing of the battery by yourself,
please call RBRC at (800) 822-8837 for proper disposal tips.