![iOS 13.4 vs iOS 13.3.1 Speed Test Comparison on iPhone [Video]](https://cdn.wccftech.com/wp-content/uploads/2020/03/iOS-13.4-vs-iOS-13.3.1-speed-test.png "iOS 13.4 vs iOS 13.3.1 Speed Test Comparison on iPhone [Video]")
iOS 13.4 vs iOS 13.3.1 Speed Test Comparison on iPhone [Video]
iOSNAM on Twitter: "iOS and iPadOS 13.3.1 vs iOS and iPadOS 13.3 🔋 Battery life: increased with 1.6% compared to iOS 13.3! ⏱ Performance: increased with 0.84% compared to iOS 13.3. These
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![Help] WiFi idle energy battery drain. Woke up and phone was at 50% from 100%. I've had battery drain issues since updating to iOS 13.3 from 12.4 : r/jailbreak](https://i.redd.it/c0pxoql13cg41.jpg "Help] WiFi idle energy battery drain. Woke up and phone was at 50% from 100%. I've had battery drain issues since updating to iOS 13.3 from 12.4 : r/jailbreak")
Help] WiFi idle energy battery drain. Woke up and phone was at 50% from 100%. I've had battery drain issues since updating to iOS 13.3 from 12.4 : r/jailbreak
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![How to Downgrade iOS 13.3.1 to iOS 13.3 [Tutorial]](https://cdn.wccftech.com/wp-content/uploads/2020/01/downgrade-iOS-13.3.1.png "How to Downgrade iOS 13.3.1 to iOS 13.3 [Tutorial]")