LG E739 Manual Del Usario página 116

Caution
Use only the supplied antenna. Use of unauthorized
antennas (or modifications to the antenna) could
impair call quality, damage the phone, void your
warranty and/or violate FCC regulations.
Don't use the phone with a damaged antenna. A
damaged antenna could cause a minor skin burn.
Contact your local dealer for a replacement antenna.
116 LG-E739 | User Guide