With battery problems on the some early-generation iPod Nano, Apple in Japan has been under pressure from the government to resolve the issue. And the company has agreed to replace the devices that are overheating.
According to Apple in Japan, it is usually very rare that iPod Nanos would overheat, especially those that were sold between September 2005 and December 2006.
There has been 27 reported cases of overheating devices that caused fire or minor burn injuries since 2008 and the Japan Ministry of Economy, Trade and Industry had asked the manufacturer for more information. And Apple in Japan had reported an additional 34 cases which the company failed to report earlier.
But with pressure from the government, Apple Japan has agreed to replace overheating iPod Nanos.
Source: Wall Street Journal