This must be downloaded from an external portal, saved on the computer and installed on the iPhone. IPSW is the name given to the file type relative to the iPhone and iPad software. iPhone 6s and earlier : press and hold the Home button and the Power button at the same time until an image appears on the screen instructing you to connect the device to a computer.iPhone 7 and 7 Plus: press and hold the volume up and down buttons together with the off button until a screen appears prompting you to connect the iPhone to a computer.iPhone 8 and later : press and quickly release the volume up button, then the volume down button, and finally press and hold the power button until a screen appears indicating that the iPhone should be connected to a computer.On your mobile, what you will have to do is put it in DFU mode, which is done as follows depending on the iPhone model you have: In order to install a previous version you will need a computer, regardless of whether it is Mac or Windows, since you will have to use it to connect the iPhone to it. Photos, calendars, notes and more that you can check from Settings> your name> iCloud. It should be noted that all data that has been synchronized with iCloud will be saved regardless of whether it is backed up or not. However, it cannot be loaded in a previous version.
Therefore, it is recommended to make a backup copy in iCloud or on the computer to be able to access it later if necessary. It is not guaranteed that the process can work, so it would not be pleasant later not to be able to resume the latest version with the data you already had. How can you revert to another version of iOS Make a backup before anything else You will lose visual and functional news that may have been introduced in the most recent versions of iOS.If at the time an important vulnerability was detected in iOS that has been corrected with a current version, you will be exposing your iPhone to it by putting an older version. Your security and privacy could be at risk, since they are usually aspects that Apple polishes in each version.Although at the time you could have a good user experience with that previous version, now bugs may appear.If you have a copy made in the version that you are going to install you can put it, but keep in mind that since then you will have made changes to your device. Loss of data, since if you have a backup in a later version than the one you are going to install, you will lose it and you will have to configure the iPhone from scratch.The most prominent thing to know now is this: Not everything is pretty in the fact of installing an old version on your iPhone, since there are certain aspects that must be taken into account before proceeding to perform any type of downgrade on the phone. Fix full screen problem in VirtualBox | 2022 Risks of reverting to an old software version
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