One of the most frequently repeated complaints about the iPhone is battery life and This is because users consistently state that the charge does not last competitively compared to other high-end mobile phones.
Although this problem is caused by the capacity of mobile phone components, there are adjustments or tips that can be made from iPhone settings that can extend battery life.
Please note that the always-on display feature that the latest devices have can cause your battery to drain much faster and to disable this feature you need to go to: To disable it, click Settings in the ‘Display & brightness’ section.
You can read: Apple will find a solution to iPhone overheating and launch it next year
On the other handshine also creates a drain that can be corrected. To do this, make sure that the tool that regulates the screen brightness on the iPhone is automatically enabled, and you can also do this from the ‘Settings’ and ‘Display & Brightness’ sections and this way the battery life will last much longer.
Source: Exame