Fixing Weak Battery Problem on iPhone 6s with iOS 9.3

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Ngày cập nhật gần nhất: 15/4/2026

iOS 9.3 is the recent iOS update from Apple. However, based on user information, their iPhone 6s devices exhibit weak battery symptoms after using it. In this article, Mytour.vn provides some solutions to address the weak battery issue on iPhone 6s with iOS 9.3; feel free to check it out.

iOS 9.3 comes with new features such as Night Shift, Note, Live Photo, watchOS 2.2, which have been highly praised by the developer. However, in reality, some iPhone 6s models are facing weak battery performance issues.

GUIDE TO FIX WEAK BATTERY ISSUE ON IPHONE 6S RUNNING IOS 9.3

To resolve iPhone issues in general and battery issues specifically, there are various methods you can try. Here is one of those methods.

According to some tech review sites, the cause of the iPhone 6s experiencing weak battery issues after upgrading to iOS 9.3 is identified as incorrect time zone updating, leading to a percentage error in the displayed battery. To fix this, resetting the time correctly and disabling automatic time updating are recommended.

To set the date and time for iPhone, go to Settings - General - Date & Time. Under Auto, slide the icon to the left to turn off automatic date and time updating.

Here, Mytour.vn has guided you on how to fix the weak battery issue on iPhone 6s running iOS 9.3. Additionally, during usage, users may encounter other arising issues. In such cases, feel free to send your questions to us for assistance. Wishing you successful troubleshooting!

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