Notice
[End of support] iOS 7
Starting 31 December, 2016, devices equipped with iOS 7 will no longer be supported.
Since the iPhone 4 only supports OSs up to iOS 7, support for the iPhone 4 will also be discontinued.
Newer OSs are available for iPhone 4s and above.
For more details, please refer to the CACHATTO Support Site.
*Release note is only in Japanese.