1-A screen that is 100% bright and does not glare in the sun drains the battery quickly.
2-Multimedia activities like using a camera, watching movies, or playing games drain the battery. If you are sitting in a park with the brightness set to 100, the smart won't last all day. However, this issue can be easily fixed by using an external battery made by the same company as the smart. It's hardly the end of the world if you miss an hour and a half of gaming. Setting the flying mode is preferable to the alternative.
No-Knocking Code. I know, it's absurd, but a chip like that from LG would work fantastically with a print and a retina. They won't have any trouble seeing a graphic key, a password, or a pin, but when you prod your finger in various locations on a locked screen and it opens, this will significantly frighten inquisitive barbarians who aren't afraid to invade your personal space.
I'll also take note of where the fingerprint reader is. top-tier for $55,000. The sensor could be installed on the power button, as it is on the XPERIA XZ PREMIUM, if the phone weren't so thin and the screen weren't curved, but these are just my fantasies and minor gripes because the power button is so tiny.
4,5-Fragility. Regardless of how carefully you hold it, your smartphone will eventually fall. One fall and the back cover is covered with a thin cobweb of cracked glass, but if the safety of the device-case is important to you, a film and insurance will remedy the situation. They regretted the Gorill'y and the oleophobic on the back wall.
6-water protection, which specifically refers to chlorinated and salt water. In the event of drowning, insurance is unquestionably required because repairs would be costly, fresh water can only be found in bottled drinking water, and protection against salt water and chlorinated water does not apply.