If you Phantom 3 and remote controller have been lying idle for any length of time especially on empty batteries, then you would need to pair the Phantom 3 and Remote Controller again. Shipping to: United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech Republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, Sweden, Korea, South, Taiwan, South Africa, Belgium, France, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Bahamas, Israel, New Zealand, Singapore, Switzerland, Norway, Saudi Arabia, Ukraine, United Arab Emirates, Qatar, Kuwait, Bahrain, Croatia, Republic of, Malaysia, Chile, Colombia, Costa Rica, Dominican Republic, Panama, Trinidad and Tobago, Guatemala, El Salvador, Honduras, Jamaica, Antigua and Barbuda, Aruba, Belize, Dominica, Grenada, Saint Kitts-Nevis, Saint Lucia, Montserrat, Turks and Caicos Islands, Barbados, Bermuda, Brunei Darussalam, Bolivia, French Guiana, Guernsey, Gibraltar, Guadeloupe, Iceland, Jersey, Jordan, Cambodia, Cayman Islands, Liechtenstein, Sri Lanka, Luxembourg, Monaco, Macau, Martinique, Maldives, Oman, Pakistan, Paraguay, Reunion, Uruguay, Russian FederationĮxcludes: Alaska/Hawaii, US Protectorates, APO/FPO, PO Box, Afghanistan, Kazakhstan, Mongolia, China, Nepal, Tajikistan, Bangladesh, Azerbaijan Republic, Georgia, Turkmenistan, Armenia, Uzbekistan, Bhutan, India, Kyrgyzstan, Indonesia, Vietnam, Hong Kong, Philippines, Laos, Thailand, Micronesia, Fiji, Papua New Guinea, Solomon Islands, Marshall Islands, Nauru, Wallis and Futuna, Western Samoa, Tonga, Tuvalu, Vanuatu, Kiribati, New Caledonia, Palau, American Samoa, Niue, French Polynesia, Cook Islands, Guam, Greenland, Mexico, Saint Pierre and Miquelon, Ghana, Djibouti, Cape Verde Islands, Mali, Botswana, Sierra Leone, Madagascar, Saint Helena, Seychelles, Gambia, Liberia, Rwanda, Libya, Cameroon, Central African Republic, Gabon Republic, Lesotho, Mayotte, Nigeria, Zimbabwe, Mauritius, Guinea, Côte d'Ivoire (Ivory Coast), Chad, Kenya, Guinea-Bissau, Eritrea, Senegal, Togo, Morocco, Burundi, Equatorial Guinea, Mauritania, Congo, Democratic Republic of the, Congo, Republic of the, Western Sahara, Malawi, Comoros, Angola, Algeria, Benin, Tunisia, Uganda, Zambia, Somalia, Egypt, Swaziland, Ethiopia, Mozambique, Niger, Tanzania, Namibia, Burkina Faso, Turkey, Yemen, Iraq, Lebanon, Puerto Rico, Saint Vincent and the Grenadines, Netherlands Antilles, Anguilla, Nicaragua, British Virgin Islands, Haiti, Virgin Islands (U.S. Sometimes a quick re-linking or pairing of your quadcopter back to the remote controller will fix any RC signal losses.