When to change the battery in an iPhone or iPad, how do you know?


Alas, the batteries in iPhones do not last forever and need to be replaced at the end of their service life. Previously, it was possible to find out about the need to visit the service center only after the appearance of external defects on the device or problems with its charging. Sometimes, in order to understand whether the battery requires replacement, one also had to look for relevant information on the manufacturer’s website.

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This material is devoted to the problem of deciding to replace the iPhone battery – at what point does the expectation of the inevitable death of the battery lose its meaning and there is a justified need to purchase a new one?

In fact, the average iPhone battery loses about 20% of its nominal capacity after 500 recharge cycles, but this does not mean that the module should be replaced every year. Below we will look at 7 signs of a dying battery that indicate that replacement is not just desirable, but practically necessary.

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1. iOS notification of the need for battery maintenance

Apple has implemented diagnostic tools in iOS that collect information about changes in battery capacity and ability to release a charge. If there is a deterioration in the recorded indicators, the system itself will offer the user to replace the battery. In this case, the user will see on the screen “Settings “ In chapter “Battery” message: “IPhone battery may need service“. This notification in no way signals a security problem, but only warns the owner of the gadget about the possible need to replace the battery.

Your iPhone will tell you when it's time to change its battery

IPhone smartphones began to fix battery problems themselves and report them to users after the release of the iOS 10.2.1 update. If the owner of the device received a notification about a possible battery malfunction, Cupertinians advise to visit an authorized service center or Apple Store. You can also contact the company’s support service in advance.

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2. Arbitrary disconnections

If your iPhone suddenly turns off with 40% charge or more, then this is one of the main signs of the imminent demise of the battery. The fact is that the system monitors the operation of the battery and requires it to supply current in a certain voltage range for the safe functioning of the smartphone, while the outdated module has an increased resistance index, which results in a drop in voltage at high loads. As a result, the system turns off the device while running “heavy” applications and performing other power-consuming operations.

However, the shutdown of a smartphone with a sufficient charge level may be caused by errors in the interpretation of physical indicators by the software shell. To eliminate the likelihood of such an error, you should do the following:

  • Fully discharge the smartphone and wait for it to turn off;
  • Carry out a continuous charging process using a reliable (better than the original) charger up to 100%;
  • Perform a “hard” restart of the smartphone by pressing and holding the keys: Power button + Home (Power and volume up buttons on iPhone X and newer)

If this algorithm does not solve the problem, then its cause is a battery that has lost its working properties.

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3. iPhone started to slow down

Why are older iPhones starting

In 2018, Apple admitted that it deliberately reduced the performance of the iPhone in order to extend battery life. For this, the so-called throttling (“throttling”) of the central processor was used – skipping clock cycles to reduce the frequency and load on the power supply. This feature is used in all smartphones, starting with the iPhone 6/6 Plus, and after the release of the iOS 11.3 update, the user can independently adjust the processor throttling and monitor the battery status.

To do this, go to the menu Settings → Battery → Battery status and pay attention to the item “Peak performance”

How to check the battery status

If the battery is able to withstand critical loads, the user will see a message, otherwise the throttling mode will be activated, slowing down the iPhone. If you turn off the throttling mode forcibly, then the battery life will be further reduced.

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4. Low battery life

running out of battery on iPhone

The most obvious reason for replacing the battery, which is especially true for owners of legacy devices (iPhone 5s and earlier). Throttling is not used on smartphones in 2013 and previous years, and therefore batteries deteriorate much faster than in newer gadgets.

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5. iPhone only works on charging

iPhone 6

All users of Apple smartphones are faced with a similar situation, who delay the battery replacement until the last moment. In the end, the gadget stops working altogether without being connected to a constant current source. It doesn’t matter how long it took to charge – the very first call without a Lightning cable turns off the device.

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6.The iPhone gets very hot

iPhone gets very hot

Excessive temperature release during iPhone operation signals an increased ion resistance, which means the situation will only get worse. Of course, the smartphone may warm up a little while charging or working for a long time with “heavy” applications, but if the temperature rises to critical levels, then there is a high probability of serious problems with the gadget’s battery.

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7. iPhone battery is swollen

IPhone battery is swollen

The swelling of the battery of any smartphone requires immediate replacement of the module, as it can be dangerous not only for the device, but also for the user’s health. Most often, a swollen battery gives itself out through the display, which rises above one of the edges of the case or leaves streaks after pressing.

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Output

Most users change the iPhone battery after a drop in capacity of 40 percent or more, and the situations described above can be called critical points, after which it is highly recommended to replace the battery.

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