iOS 11.2.1 has been released on December 13, 2017. Apple announce that iOS 11.2.1 fixes bugs including an issue that could disable remote access to shared users of the Home app. You may have a great possibility to encounter this trouble if you’re using IOS 11.2. Stop panic, because there has been a security update to the latest iOS 11.2.1 to fix this issue since December 13, 2017.
As we all know, iOS 11.2 was released on December 2, 2017 and its previous version iOS 11.1.2 was released on November 16, 2017. It is not difficult to find that the release interval is a little short because of the bug issues. Despite the fact that we’re unable to avoid the system defect objectively, we can follow the tips about security upgrade to the latest ios 11.2.1 and evade update failure or data loss.
Tip One: Check compatibility for your device
iOS 11.2.1 is available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation
Tip Two: Create a backup using iTunes or iCloud
Also Read: How to back up your iPhone, iPad, and iPod touch.
Tip Three: Know your passcode of device
Most iPhone users may get used to the touch ID and don’t remember the passcode clearly, as a result, you may have no choice but to restore and erase your iPhone.
Tip Four: Have your Apple ID ready
Get your Apple ID account and passcode prepared, otherwise you’re not allowed to access the device, especially when Find My iFonebox is enabled.
Tip Five: Charge up the battery
Actually, iPhone or iPad would consume the power while an update, if iOS device is extremely low on power, it is unable to support the whole upgrade performance, and system bankrupt may happen.
Tip Six: Ensure available storage on device
View the size of the latest iOS installation package before each update, and transfer or delete some data or files for more available storage.
Tip Seven: Under favorable network environment
Stable network connection is extremely important for downloading the installation package.
Above is the tips for security escalation to the latest iOS 11.2.1, if you’re ready for iOS 11.2.1, t is worth to spending several minutes to read these tips carefully.