The speaker, it's generally something with something . it works like polyphony, it works disgustingly, the interlocutor is very hard to hear, crackling, clicking, though not always, but very often. In addition to the disgusting work during a conversation, he works for the public, that is, everyone hears your conversation, they hear everything that the interlocutor says to you . sometimes you want to throw this miracle of technology at the wall ! The camera, as it was problematic in poor lighting, has remained. In good, daylight, there are no complaints, but as soon as twilight, everything . forget about a good picture, they say about the video in general, it is a tone darker. The disadvantages include the weight of the device, lags, software brakes, as well as the old keyboard with its disgusting switching. Very long charge, with a standard unit. If the device is charged from wireless charging, then you can grow old, for a very long time and slowly, it is not worth it. Yesterday (10/25/2022) it was cool, so the battery went to zero, this is at 80% charge and zero temperature, it was the same with other iPhones, but at minus. There is a problem in the volume settings, you set the call, it changes to watch the video, and the video settings for the call, it can be fixed in the new firmware . (ios 11.0.3 installed) Phone charging time, from 03% to 100% takes 3 hours. 51min.34sec. No standard headphone jack!