AirTalk Wireless guarantees all hardware for 15 days from the date of purchase. Therefore, contact the helpful staff at AirTalk Wireless at +1-855-924-7825 if your phone stops working while under warranty. Alternatively, you can contact them as quickly as possible by emailing info@airtalkwireless.com. Even if your phone breaks after the warranty has expired, your network operator may still offer you a replacement device.