Premium devices, which include the Apple smartphone, are carefully tested for extreme loads, including temperature ones, but almost every user is familiar with the situation when the iPhone heats up so much that you inevitably begin to worry about its condition.
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In fact, nothing bad will happen to the smartphone (provided there is no mechanical damage to the battery) - due to overheating, it will not breathe its last breath in the form of a gray stream of smoke, as could happen, for example, with an old Soviet TV.
According to Apple, iPhone should be operated at temperatures between 0 and 35 °C. By lowering or raising this range, the smartphone can change behavior to regulate temperature. For example, using the device in cold temperatures will temporarily drain the battery at an accelerated rate, while in very high temperatures the battery life may be permanently .
At the same time, the temperature range for storing iPhone when turned off is from –20 to 45 °C.
The main reasons for the rapid discharge of a smartphone battery
An iPhone, regardless of model and modification, cannot hold a charge for more than one day. Like any mobile device, an Apple smartphone consumes a large amount of energy when active, so it is usually completely discharged by the end of the day. But if the smartphone shows a red battery while charging, there may be several reasons for the breakdown. The main ones are the following:
- malfunction of the power controller - this is caused by voltage drops in the network, or the use of non-original charging, the power of which exceeds the recommended one
- Battery damage – the battery fails due to impacts, falls or moisture
- non-compliance with operating recommendations - if the smartphone is left in the sun or close to a source of high temperature, the battery will discharge very quickly
- failure of the smartphone settings - automatic launch of several applications can lead to the fact that the iPhone quickly discharges
If your iPhone is dying instead of charging, you can try to fix the situation yourself. Use the tips below and perhaps this will help you extend the operating time of your smartphone.
Wait a while
Whether you're restoring a backup or doing a factory reset, your new iPhone or iOS 11 update can use up a lot of resources downloading apps, games, mail, photos, and other content. This happens because Wi-Fi stays online for a long time, and Spotlight—the iOS search engine—has to index everything. Some applications also restore their own libraries and databases. When the radio signal and processors remain active, power consumption increases.
If you just upgraded to a new iPhone 8 or iPhone X, updated to iOS 11 or restored, wait a day or so so that all setup processes are completed and the device can return to normal. If after this the gadget starts working for the allotted time, everything is fine. If not, and the iPhone charges quickly and discharges quickly anyway, you should look for other reasons.
Disabling automatic mail downloads
If your iPhone is charging normally, but after a while a notification appears on the screen that the battery is low, the cause may be automatic mail updates. To instantly notify you of new emails, the smartphone is constantly synchronized, as a result of which the battery quickly drains. To extend the operating time of your mobile device, select manual mail download mode. To deactivate email updates, you need to do the following:
- go to the settings menu
- select the “Mail, Addresses, Calendars” tab
- go to the “Data Loading” section
- select "Manual" mode
After that, reboot the device and see how much battery power will now last. If turning off automatic mail downloads doesn't help and the battery is burning on your display, try deactivating background apps.
Test in standby mode
In addition to the fact that setting up the system takes a while to finish transferring all the data correctly, users often spend a lot of time with new phones learning their features. This is especially true for things like Animoji, Portrait Lighting, and Augmented Reality (AR) apps. This way the screen remains on, memory is written to the WI-Fi and possibly cellular radios remain active and power is consumed.
This may be the reason why the iPhone quickly discharges and charges. In other words, if you're using a battery and it's running very low, the first step to fixing the problem is to figure out if you're using it twice as much.
So, pay attention to how much battery charge is left. Then leave the iPhone alone for 20-40 minutes. When you check it after this time, write down how much charge is left. If there is no big change in standby mode, everything is probably fine and your battery life will return to normal when your device usage returns to normal (after you've explored the new device from all angles).
If your iPhone continues to work for a short time, this is not the problem. To check why your iPhone discharges and charges very quickly, follow these steps.
Reset
Rebooting, restarting or resetting is the most commonly known method when troubleshooting because it often works. Sometimes a reset is all that is needed to fix a system error. iPhone X and 8 require different button combinations than previous models:
- Quickly press and release the volume up and then volume down button.
- Press and hold the Side key (sleep/wake, power on/off).
On iPhone 7, the procedure is as follows:
- Press and hold the on/off button on the right side of the gadget.
- While still holding it, do the same with the Volume Down key on the left side of the iPhone.
- Hold both buttons when the screen turns off and keep pressing them until it turns on and displays the Apple logo.
For iPhone 6 and previous models:
- Press and hold the Sleep/Wake and Home buttons at the same time.
- Hold them until you see the Apple logo.
- Let go.
What happens to the iPhone when it gets too hot?
When a really high critical temperature is reached:
— the operating system will stop or slow down the charging process, including wirelessly;
— device performance will decrease when using programs or functions with augmented reality or with high graphics requirements;
— the smartphone display will dim or turn off;
— cellular communication modules will switch to lower power consumption (the quality of communication may deteriorate);
— the flash and cameras will be disabled;
- A “Temperature: iPhone requires cooling before using” warning may appear on the iPhone screen.
So, let's look at the most likely causes of iPhone overheating and ways to eliminate them.
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Why does the iPhone get hot: let's understand the reasons
Only a specialist can determine exactly why the smartphone is heating up, but you can figure out the problem yourself. To do this, you need to consider all the probable reasons and compare them with the product of your gadget. The problem may occur when:
- Active geolocation.
- Operation of iCloud services.
- The set maximum display brightness.
- A large number of applications running in the background.
- Automatic system updates.
- Active Push Notifications or Airdrop.
- Old battery.
These are the most common reasons why the iPhone gets hot and they are the ones you should pay attention to first.
System operation
Heating of the iPhone can be observed when setting it up for the first time or restoring it from a backup. Additionally, when some programs perform re-indexing, such as the Photos application.
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Resource-intensive applications (games)
This is the most obvious and very common prerequisite for increasing the operating temperature of the iPhone. Naturally, the design of the compact device does not provide a cooling system, and under high loads the device’s processor operates in a dense aluminum-glass box, which naturally leads to overheating. Especially when using augmented reality or graphics-intensive applications. The iPhone will heat up even more if it is plugged in or actively using the Internet connection while playing.
In this case, you can cool the gadget in the most banal way - by eliminating the causes of heating. That is, you should close the resource-intensive application, disconnect the charger, or stop transferring data over the Internet.
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Recommendations
Tips on how to avoid device overheating.
Let's give technology a rest
After continuously watching videos, movies, or intense gaming, you should give your smartphone 20-30 minutes of rest to cool down.
Update firmware and programs regularly
When running older versions of some applications, the phone heats up more. The firmware must be updated; developers fix software errors to reduce the problem. But sometimes you can observe the opposite phenomenon - the iPhone heats up immediately after the update. Reboot the device and look at its behavior. If the problem persists, we recommend contacting service.
Charge the battery correctly
- Use only original charger,
- discard faulty or partially broken ones,
- Charge the battery in the range from 20 to 80% to avoid early degradation of the Li-ion battery.
Unload rarely used programs from memory
Unload programs that run in the background if you don't need them. Periodically clear your memory of old and unnecessary utilities.
Don't leave in the sun
Do not leave your iPhone in direct sunlight, this can not only heat up the phone, damage the screen, but also cause the system to shut down. When you try to turn it on, the screen will display the following message: “Your iPhone requires cooling before using.”
Restore iPhone like new
If all else fails, try resetting everything to factory settings and restoring it “like new,” just don’t forget to make a copy of important data.
Long calls on the phone or downloading content from the Internet, as well as modem mode
Active operation of wireless communication modules during a long telephone conversation or transferring large amounts of data (downloading a movie, listening or downloading music via the Internet, working in modem mode) can also cause an increased temperature of the device, but immediately after these processes are completed it will drop to normal.
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How temperature affects a smartphone
Not many smartphone users are aware of how temperature affects the performance of mobile devices. As mentioned above, elevated temperatures negatively affect the performance of the gadget.
Its battery begins to lose its life faster and may even explode if the temperature remains at a critical level for a long time.
It is worth noting that overheating also negatively affects the performance of smartphones. If the iPhone gets too hot, it starts to slow down even when running undemanding mobile applications.
At low temperatures the phone may turn off
Not only high but also low temperatures have a negative impact on work. In winter, when outside temperatures drop below zero, many people encounter problems while using mobile phones.
Due to strong cooling, the device also begins to slow down. In rare cases, phones turn off and do not turn on for some time.
Also, due to low temperatures, the display begins to work incorrectly and stops responding to touches.
Thick “insulated” cover
Some accessory manufacturers produce special cases for iPhone that prevent excessive cooling of the smartphone in frosty weather. Of course, the opposite effect also occurs - such “clothing” can lead to a slight but constant overheating of the iPhone.
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Direct sunlight
You don’t need to be a physicist to understand that it’s not very good to leave your smartphone in the sun in the heat, for example, on the beach or inside a car. It is likely that the gadget will heat up to a critical temperature and turn off.
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Controlling flashlight and flash on iPhone
There are several ways to control the flashlight and flash on your iPhone. They are suitable for smartphones of any version.
Method No. 1
To activate the desired element, you need to use Siri. To do this, just say “Hey Siri, turn on the flashlight.” If the system correctly recognizes the request, it activates the item. You can turn off the flashlight in the same way.
Method number 2
Represents the installation of a special application. With it, you can quickly turn on the flashlight without going to the device control center.
For your information! Flashlight is the most popular free gadget application. Flashlight provides bright light even when a standard flashlight is not working. In addition, the application allows you to change the blinking frequency of the LED.
No less popular is the Flashlight XS extension. Suitable for use when the main flashlight is faulty. Provides the owner with bright light and backlighting with intermittent flashing.
Additionally, you can download the following applications for iPhone:
- "Flashlight";
- Best Flash Light;
- MyLight;
- LED flashlight;
- Torchlight.
Method number 3
In this case, you will need to use the universal access panel. Actions:
- Swipe down on the screen.
- Click on the “Lantern” icon. You can turn it off in the same way.
A universal and affordable way
Thus, if problems arise with the operation of the flashlight and flash, first of all it is necessary to identify the cause of the error. Only after this can you use the methods presented to improve the functioning of the device elements.
iOS update
In some cases, the iPhone may become very hot after updating iOS, which is due to the re-indexing of all data by the new firmware. In this case, there is no need to worry - after a while the gadget will return to normal operation.
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When should I contact the service center?
You should contact a service center when you notice that your iPhone is heating up while at rest. The following points indicate a serious malfunction of the gadget:
- The iPhone does not heat evenly, but only in some places;
- software failures were detected - freezing, shutting down, braking, errors;
- The battery discharges catastrophically quickly , provided that the mobile operator has normal coverage and the smartphone is not used too often.
iOS Errors
A very rare, almost mythological case when an iPhone overheats due to the fault of Apple developers who made errors in the iOS program code. Even in beta versions of the Apple operating system, this is extremely rare, but to be sure, especially vigilant users can be recommended to perform a hard reboot or, as a last resort, flashing the iPhone.
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