Apparently, the Samsung Galaxy S4 battery swelling issue is becoming a fairly widespread issue. Customers started complaining about overheating, endurance degradation, and swelling of the battery. The problem has grown to affect nearly 30% of users by one estimate. Samsung has acknowledged the issue and is actually now offering replacements for those affected.
Sound of if you have experienced this problem.We are aware of this issue, which has affected a limited number of customers. We ask all affected customers to please visit their nearest Samsung Electronics service centre, where they can receive a replacement battery for free of charge. We remain committed to providing the best possible user experience for our customers.