How to update the system version of Apple mobile phone

The Apple mobile phone update system is in the settings. The specific operation methods of Apple mobile phone update system in the settings are as follows: 1. To update on the iPhone, first open the iPhone settings and enter it. 2. Then in the settings page, open General. 3. Then in the general page options, click the software update option to enter it. 4. After entering, the system will automatically detect the iPhone system update prompt. When an iPhone system update appears, click the Download and Install button to automatically update the iPhone system. /cc11728b4710b912355f7880d3fdfc0392452236?x-bce-process=image2Fresize2Cm_lfit2Cw_6002Ch_8002Climit_12Fquality2Cq_852Fformat2Cf_auto