How To Fix 17.3.1 iOS Update Issues

Apple recently released iOS 17.3.1, a minor update focused on fixing a text duplication bug present in previous versions of iOS. While the update aims to solve this specific issue, some users have reported new problems after installing iOS 17.3.1. This article will examine the iOS 17.3.1 update in detail, summarize the text duplication bug it aims to fix, outline reported issues users have encountered, and provide recommendations on whether or not to install the update.

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Overview of iOS 17.3.1

iOS 17.3.1 is a minor point release that Apple pushed out on February 22, 2024. As a point release, iOS 17.3.1 focuses on bug fixes rather than major new features. The sole purpose of this update is to address an issue where typing text could sometimes lead to duplication or overlap of letters and words.

Apple’s release notes for iOS 17.3.1 state:

iOS 17.3.1 fixes an issue where text might duplicate or overlap while typing on some third-party keyboards on iPhone 14 Pro Max.

The update does not contain any other bug fixes or security updates. It is solely targeted at remedying the text duplication problem some users encountered.

iOS 17.3.1 is available for all devices capable of running iOS 17, including:

  • iPhone 14, 14 Plus, 14 Pro, 14 Pro Max
  • iPhone 13, 13 Mini, 13 Pro, 13 Pro Max
  • iPhone 12, 12 Mini, 12 Pro, 12 Pro Max
  • iPhone 11, 11 Pro, 11 Pro Max
  • iPhone XR, XS, XS Max
  • iPhone X
  • iPhone 8, 8 Plus
  • iPhone 7, 7 Plus
  • iPhone 6s, 6s Plus
  • iPhone SE (1st and 2nd generation)

The update can be installed over-the-air by going to Settings > General > Software Update and tapping “Download and Install.”

Text Duplication Bug in Previous iOS Versions

The text duplication issue fixed in iOS 17.3.1 affected users typing with certain third-party keyboards on iPhone 14 Pro Max devices. Specifically, some users experienced overlapping or duplicated letters and words as they typed messages in apps like iMessage, Notes, and Messages.

This issue was consistently reproducible on iPhone 14 Pro Max devices running iOS 16 or 17. It did not seem to affect other iPhone models, including the base iPhone 14.

The text duplication only occurred when using third-party keyboard apps like Gboard, SwiftKey, or Swype. The default iOS keyboard was not affected. It seemed to stem from a bug in how iOS handled text input from external keyboards specifically on the iPhone 14 Pro Max.

While not a catastrophic problem, the duplication bug led to confusing typos and made typing normally difficult for impacted users. Since Apple believes in polish and perfection down to the smallest details, it likely rushed out iOS 17.3.1 to quickly squash this annoyance.

User Reports on iOS 17.3.1 Issues

Although iOS 17.3.1 aims to fix the text duplication bug, some users who have installed the update report new issues cropping up. These problems seem to be affecting a relatively small number of users, but are worth being aware of. Reported issues include:

  • Decreased battery life – Some iPhone users mention that their battery seems to drain faster after updating to iOS 17.3.1. This does not appear to be affecting all users, and the battery impact seems minor based on reports.
  • Cellular data problems – A few complaints cite cellular data connectivity issues after the 17.3.1 update, such as slower mobile data speeds or intermittent mobile signal drops.
  • App crashes – Isolated reports indicate some apps like Messages or Photos are randomly crashing after the update. The apps vary by user, indicating this is likely not a widespread problem.
  • UI lag – Minor user interface lag, such as jittery scrolling or slow animations, is reported by some after updating. Most say the UI issues are temporary or minor in nature.
  • Keyboard lag – A small number of users have experienced occasional keyboard lag or unresponsiveness after typing for extended periods. This may or may not be related to the original text duplication bug fix.

None of these reported issues appear highly widespread. Apple has not acknowledged any major bugs introduced in iOS 17.3.1. It seems that most users have not encountered significant problems after updating. But as with any iOS update, a subset of users experience degraded performance or other glitches that apply specifically to their device and usage patterns.

Should You Install iOS 17.3.1?

For most iOS 17 users, installing the iOS 17.3.1 update is recommended. Since it specifically patches an annoying text duplication bug, upgrading will likely improve the typing experience on iPhone 14 Pro Max devices using third-party keyboards.

Users not affected by the text duplication issue may still benefit from installing 17.3.1, as it represents the latest version of iOS tested by Apple. The update could contain other minor bug fixes not mentioned in the notes.

However, users who have not experienced any text duplication problems may opt to wait before updating. Some prefer not to upgrade right away and instead monitor initial user reports for any serious issues.

Given the relatively minor nature of problems reported so far, most users should feel comfortable installing iOS 17.3.1. As always, it is wise to backup your device before updating in case of any unexpected problems.

For iPhone 14 Pro Max owners affected by the text duplication bug, iOS 17.3.1 is a recommended upgrade that specifically resolves this typing annoyance. Users of other iPhone models who have not encountered text issues may not see any significant changes after upgrading, but can likely update without worry.


iOS 17.3.1 is a narrow-focus update aimed at fixing an irritating text duplication problem by improving compatibility with third-party keyboards on the iPhone 14 Pro Max. This minor update does not include any other fixes or enhancements.

While some users report concerns like decreased battery life or app crashes after updating, these issues do not seem highly prevalent. For most users, iOS 17.3.1 appears safe to install and should successfully eliminate duplicate and overlapping text when typing on supported iPhones.

Users bothered by the text duplication bug should definitely upgrade to iOS 17.3.1 for the best typing experience on their iPhone 14 Pro Max. Others may opt to wait for future updates that address other iOS issues, but can likely update without major risk based on current information.

As always, remember to backup your device beforehand and monitor its performance for a few days after upgrading to note any changes. But overall, iOS 17.3.1 seems to deliver an effective targeted fix for text input problems some users encountered in previous versions.

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