PSA: This App Does Not Tell You if Apple is Slowing Down Your iPhone

Apple’s decision to introduce power management feature in iOS, which could slow down older iPhones to prevent unexpected shutdowns during peak workloads has been a controversial one. Some are even calling it the batterygate.

We have shown you how to check your iPhone’s battery health. However, it is impossible to figure out if Apple is slowing down your iPhone due to degraded batteries as the power management feature kicks in to throttle the CPU to prevent unexpected shutdowns during peak workloads by looking at a combination of the device temperature, battery state of charge, and the battery’s impedance.

We have seen several blogs and news sites claiming that a free iOS app called Lirum Info Lite (download link) can tell you if Apple is indeed slowing down your iPhone. The app shows CPU Actual Clock and CPU Max Clock, so the websites have claimed that if the CPU Actual Clock is less than CPU Max Clock, it means that Apple is slowing down your iPhone. Since the CPU is throttled only when the combination of the device temperature, battery state of charge and the battery’s impedance are met, in a majority of the cases the CPU Actual Clock and CPU Max Clock will be the same. Ironically, the screenshots used by these websites show the same CPU clock. So the app won’t tell you if Apple is slowing down your iPhone.

iPhone Slowing Down

A better way to find out if your iPhone may be slowed down is to check iPhone’s battery health.

The best thing to do is wait for Apple to release an iOS update which will give better visibility about the health of the iPhone’s battery, so we can see if its condition is affecting performance or visit an Apple Store. It is not clear if Apple will only provide visibility on iPhone’s battery health, or it will let us know if the iPhone was slowed down to prevent unexpected shutdown. It would be good if Apple can show us the latter.

As we had mentioned in our article on how to speed up a slow iPhone, if your iPhone is slow all the time, then it is possible that there’s something wrong with it other than the battery. So you might want to restore your iPhone to see if it resolves the performance issues.

Apple didn’t handle this issue very well, and the lack of information is resulting in misleading articles due to the lack of knowledge.

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