The list of problems and the minor imperfections of the new "apple" smartphone compiled site 9to5Mac. The greatest concern to the user cause the following two points:

Yellow display. Yellowness in display just released from the assembly plant, because the glue that holds the display not yet fully dried. Over time this defect should disappear.

The battery sits down faster than the iPhone 4. According to official specifications Apple the model 4S lasts longer talking but in standby mode, the smartphone can do without charging a total of 200 hours about a hundred less than its predecessor. This is most likely the work of Siri or any background processes that are associated with notifications. Especially appreciable time difference of batteries when recording video and use 3g. To extend battery life, Apple recommends charge the battery 100% at least once a month and then fully discharged it.