Yes, this is the expected update that kills the jailbreak vulnerability, perhaps you are a fan of the jailbreak, but we must agree that the jailbreak has taken control of your device through a vulnerability and now you can install applications that control all of your device, you do the jailbreak of your own volition, but what about us? Those who do not prefer jailbreaking now their device contains a known vulnerability to everyone and it can be hacked at any time without their will, so this update is important to fill this gap.

New in iOS 12.4.1 according to Apple ...

IOS 12.4.1 provides important security and stability updates, and is recommended for all users.


Before updating, be sure to take a backup copy of the contents of your device, whether on the iCloud or the iTunes application

To update your device, take the following steps ...

1

Go to Settings -> General -> Software Update, it will show you that an update is available.

2

You can click on Learn more to view the update details.

3

To download the update, you must connect to the Wi-Fi, and it is preferable to connect your device to the charger, then press the "Download and Install" button, and the terms and conditions will appear to you, then agree to them.

iOS_update_legal

4

After the update is finished, the device will restart. After several steps, the update will be completed.

If you encounter a problem in downloading or a message appears, The update could not be shown, this is because there is a lot of pressure on Apple's servers


This update is safe for you, it does not offer any new feature and only fills the jailbreak gap, so if you think you may install the jailbreak any day, do not update your device.

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