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The Podcasts app has been updated to address stability issues. iOS 9.2 also fixes issues with Mail attachments, Live Photos, Contacts, Calendar, Camera, Health and other stock apps. For more information on defects resolved in iOS 9.2, please read Apple’s release notes.
iOS 9.2 Security Updates
As with all iOS updates, 9.2 includes numerous security fixes. iOS 9.2 fixes a vulnerability that allowed malicious apps to access Contacts. Another patch prevents malicious websites from executing code. Safari also enabled malicious sites to spoof the iOS user interface. This has been fixed in iOS 9.2. Check out Apple’s security update notes for more information.
It’s noteworthy to mention that most of these vulnerabilities are not found by Apple. Ian Beer from Google’s Project Zero always finds quite a few security flaws. Academics, jailbreak developers and corporations such as Yahoo also find iOS vulnerabilities. Apple fans who dislike Google should be aware that they help keep your device secure. Both Apple and Google are excellent companies, and you don’t have to root for just one team. This is technology, not sports, after all.
iOS 9.2 Battery Life
I haven’t experienced any issue with battery life after upgrading to iOS 9.2. These problems typically surface because devices can overheat while upgrading to iOS. People will often plug in their device, which is already warm from being used for several hours, and then run the upgrade. The upgrade process itself uses just about every system on an iOS device. This generates heat, which can damage the battery. Make sure to calibrate your battery after installing iOS 9.2. Check out “How to Extend iPhone Battery Lifespan” for more information.
I recommend fully charging your iOS device, while it’s turned off, before upgrading to iOS. I always run my iOS upgrades on a fully charged device that isn’t connected to the charger. I turn down the screen brightness all the way, and set Auto-Lock to Never. (Sometimes the update will stop if the screen locks.) This seems to minimize heat, which can preserve the lifespan of your battery and prevent the WiFi module from being damaged.
iOS 9.2 Problems
As with every iOS release, 9.2 has created problems for some users. These are isolated issues that may not be caused by the software update. Some of these problems coincidentally surface after the update. I personally have not experienced any major issues. Having researched iOS 9.2, I haven’t found any egregious problems affecting a significant number of users.
iOS 9.2: Worth Upgrading?
Overall, iOS 9.2 is worth upgrading. This release isn’t perfect, but it is finally good enough to install on my iPhone. I always test iOS releases on my older iPad to evaluate their stability. After almost three months, Apple has finally released a stable and reliable version of iOS 9. If you have been on the fence about upgrading to iOS 9, Apple’s newest release is worth installing.