The 2-pin charger for the European market is attached to an iPhone or sold separately as an accessory. According to Apple, the faulty batches are chargeable for iPhone 3GS, iPhone 4 and iPhone 4S and manufactured in 2009 to September 2012.
New version has come with recent iPhone models. If you have one of the charging pads showing signs of overheating, Apple will exchange it for you, and if you buy the iPhone in that time and worry and the charger, stop using it and bring both to the door Apple or an authorized distributor.
After checking the serial number on your phone, they will exchange the old charger for a completely new one. At the same time Apple will cancel the old charger in an environmentally friendly way. If your charger is broken due to overheating and you have replaced it, contact Apple for compensation.
To check, look between two charging pins: the old charger will have the A1300 model number with the gray CE inside. If it is an A1400 model, with CE letters gray border, there is no need to worry anymore.
Most European countries are adopting this policy. In addition, foreign countries like Egypt, South Africa and Vietnam can also exchange. For more details and to find out which countries are applying, visit Apple's support page .