The mobile phones of the WP7 system have gone through two generations so far. The main reason is that the configuration of the second generation is better than the first generation, but the difference is not too big. If the WP8 cannot be upgraded, the performance price ratio of the first generation is obviously high. The first generation WP7 mobile phone HTC HD7 HTC Mozart HTC Surround HTC Trophy HTC 7 Pro Samsung Omnia 7 Read the original text >>