If you’ve been noticing that since the iOS 12.3 update, you battery is draining faster than usual, there is hope it can be fixed. This is especially true with older iPhone models such as 5S, 6, 6S, and 7. Assuming that you battery capacity hasn’t drop below 90%, according to iAppleBytes, you’ll see a noticeable difference in battery life once you install the latest update.
While there are other benefits of installing iOS 12.3.1, the battery life benefit outweighs most of others we mentioned earlier in this post.
As the proverb says, picture is sometimes worth a thousand words, and that’s why we’re posting the actual measurements in the image below. Depending on the iPhone model, tests showed that battery life improved by by up to 12%. This translates into the largest gains of 18 minutes of runtime on iPhone 6 and iPhone 7.
Apple hasn’t confirmed nor denied the effects of iOS 12.3.1 on battery life. If you personally noticed significant changes in battery life after installing iOS 12.3.1, please notify us in our comment section. Don’t forget to include your iPhone model and battery capacity.