iOS- the operating system of Apple Corporation, installed by it on iPhone 3-5 mobile phones, iPad tablets, as well as on the iPod music player.
What I like about this operating system:
- Fast operation, the system interface practically does not slow down
- The system boots up fast enough.
- The interface is quite colorful and clear
- The program removal system is convenient and allows you to remove programs in 2 clicks
- You can buy any program. The catalog of programs in the AppStore is huge. There are many quality programs, English courses, for which it is not a pity to pay money
- Pretty good updates. Naturally, in each new version there are certain errors, however, with each new version, the system becomes more convenient and functional.
ipa file- a program file for installation on iOS. The system has a built-in Safari browser. A new version is released once a year.
AppStore— app store for iOS devices. The largest number of programs for mobile phones. The application is on each of the devices and cannot be deleted. The application requires an AppleID.
The price of the program ranges from $0.99 to several thousand dollars. To purchase programs, a link to a Visa debit card user account is required. After you have linked the card, a dollar is charged from you to check if everything is in order with your card. 1 dollar is blocked on the card, but after a while it returns.
Apple ID is your account in the iOS operating system. You may have multiple accounts. All programs that you buy are linked to this account. If you log in from another device under your account, all paid programs that you bought earlier can be downloaded for free.
How to update iOS?
To update to the new version of iOS, there is iTunes.
iTunes is a key program for users of i-devices. Through it, the device is activated, music, audiobooks, etc. are downloaded. You can download it from the Apple website. Also, this program allows you to download and update devices on iOS. You need to connect the device and on the right side of the page the program will highlight the possibility of updating. Before updating, disable all antiviruses and firewalls.
The current iOS version of your device can be viewed through Settings - General - About device - Version
The list of iOS features changes from version to version. Starting from the 5th version, integration with iCloud or with the cloud has appeared.
How it works? - everything is quite simple. For those programs that have integration with iCloud, when entering data on one device, they automatically appear on another device.
New features are added from version to version.
Disadvantages of Apple iOS
The Apple system has a number of significant drawbacks.
- A new system update very often slows down the device. And Apple itself does it to make you think and buy yourself a new phone.
- The operating system is closed. You cannot view the list of operating system files and use the device as a USB flash drive. This is at the same time an advantage. iOS is the most secure system in the world.
- The high cost of phones and tablets on this operating system.
- Some accessories are exclusive to Apple. For example, it is better to use the charging cables that Apple has made. They have a chip embedded in them. If you buy a Chinese charging cable, it may not work or your device will fail due to fake products
- You cannot install your application as a file or it is very difficult. Applications can only be taken from the AppStore
Advantages of iOS
- The largest app store with fairly high-quality apps
- A lot of just cool and beautiful games, shareware, with constant support and development
- The speed of the system compared to others
- Good quality Apple phones and tablets
- Fast response to errors and no viruses
- The beauty of the interface and graphics.
- Continuous system update once a year, incl. and for older devices
Today we will talk about the heart of the iPhone and I will tell you what iOS is. Oddly enough, some people don't know the name of the operating system on the iPhone.
There is nothing wrong with that, because now you are here and you can read this material. I will try to summarize the information that I have.
iOS system - what is it?
Well, I’ll probably start with the fact that as soon as the first iPhone was released in 2007, there was no name for the operating system yet. Given that it was based on an OS identical to the MacBook, it was called OS X.
I won’t talk about the name for a long time, because it’s already clear that Apple’s trick is simply to add the letter “i” to everything at the beginning. So iOS turned out, well, I think it's no secret to anyone that OS is Operating System.
Although it is quite possible that it stands for completely "iPhone Operating System". Apple gives its users the opportunity to think for themselves.
It works not only on the iPhone. It was designed for mainstream mobile devices and you can add iPad and iPod. 
The entire operation of the system is based on the touch screen. There are no styluses, only fingers. An exception not so long ago was the iPad Pro, but there is something like a pen and it is needed exclusively for drawing.
The main feature can be noted that the system is completely closed. You will not be able to download any file to the device. To do this, you will have to do various manipulations and download a special application.
If we talk about applications and games, then they can be downloaded from the App Store. There are a lot of them now and you can find absolutely everything you need.
How to find out which iOS is on iPhone?
If you are interested in seeing your version of iOS on iPhone, then you can do it in just a couple of seconds. Just follow these steps:
- choose Settings;
- then click on Main;
- now About this device;
- opposite the word "Version" we have the number of the current iOS.
With these simple steps, you can find out the version at any time you need. The first time according to the instructions, and then I think you will remember.
How is iOS different from Android?
I won’t talk too much here, I’ll just tell you the most important differences between iOS and Android and how things are in general at the moment. 
The first thing I would like to point out is that safety. After all, Android devices are most often hacked, placing a virus there is not such a problem.
There are probably several reasons for this. The first is that the Play Market checks applications a little worse and you can take into account that people like to install hacked software.
Well, the second is that Android is completely open. Everyone has studied it inside and out. So everyone knows her strengths and weaknesses. 
The second difference can be ecosystem. After all, now before choosing a device, you must understand what services you want to use.
Android has all the analogues for Apple services. Speaking of iCloud, we immediately recall Google Drive. If it's Siri, then OK Google, and so on.
Both sides have their pros and cons. But this is an individual matter and it is best for you to consult with users or just read information on the Internet. 
Next, you can call work stability and device support. In principle, today the difference is not as big as it used to be.
If you take an Android smartphone in your hands three years ago and use it, then you can certainly find a bunch of lags and slowdowns that are incredibly annoying.
Today, of course, this is also sometimes observed, but much less frequently. More worrying is that when you buy a device on this OS, how long will it be updated to the latest versions.
With Apple, this period is usually about four years. While Android is a couple of years old and you can forget about the latest versions.
It is worth considering the fact that each developer has his own shell. Because of this, it is not certain that you will be able to receive updates as soon as a new version of Android is released.
- Supported on iPhone XR and later.
- Requires an iCloud subscription with 200GB or 2TB storage and a smart home control device such as an Apple TV or iPad.
- The feature is available in select US cities.
- New maps for select cities and states will be available in the US at the end of 2019 and in other countries in 2020.
- Available on iPhone 8 or later and iPod touch (7th generation) and must be running the latest version of iOS.
- Supported with 2nd generation AirPods. Siri is available on iPhone 4s or later, iPad Pro, iPad (3rd generation or later), iPad Air or later, iPad mini or later, and iPod touch (5th generation or later). Internet connection required. Siri may not be available in all languages or all regions. Siri capabilities may also vary. Cellular data charges may apply.
- Testing conducted by Apple in May 2019 on Peak Performance capable iPhone X and iPhone XS Max units and 11-inch iPad Pro using iOS 12.3 and pre-release iPadOS and iOS 13. Side or top button was used to wake devices. Performance may vary by configuration, content, battery capacity, device usage and other factors.
- Testing conducted by Apple in May 2019 on Peak-Enabled iPhone XS and 11-inch iPad Pro units using iOS 12.3 and pre-release iPadOS and iOS 13. Testing using third-party apps repackaged in a pre-release App Store server environment; smaller app downloads are based on an average of a sample of the most used apps. Performance may vary based on specific configuration, content, battery capacity, device usage patterns, software versions, and other factors.
- Supported on iPhone XR or later, iPad Pro 11-inch, iPad Pro 12.9-inch (3rd generation), iPad Air (3rd generation), and iPad mini (5th generation).
- Features are subject to change. Some features, applications and services may not be available in all regions or in all languages.
- Movie
Owners-beginners of "apple" products are inevitably faced with such a thing as iOs. What it is? How to use? What are the advantages and disadvantages? And can anything be substituted? There are answers to these simple questions about iOs.
What it is
First of all, this is a mobile operating system created by Apple specifically for its i-gadgets: tablets, phones, players. A distinctive feature of this "axis" is its closeness. Between themselves, gadgets running this operating system can "communicate" without problems, but with other systems - no. Even bluetooth cannot transfer files to other devices. The iOs operating system (what it is, we have already figured out) is updated in a timely manner, improved, and is distinguished by very high performance.
Story
In 2007, Apple introduced its first phone, the iPhone. Then there was no talk about iOs (what it is and what it is for, we will tell further) there was not even a talk. The first "apple" phone was running a simplified version of Mac OS - a computer operating system. Naturally, the gadget had plenty of shortcomings, but it was still a huge breakthrough in the mobile industry. In 2008, the company released an improved iPhone, which just appeared iOs. What it is? It was already a mobile operating system, which still bears little resemblance to the modern one. It had the simplest functions, but at that time it was an even bigger breakthrough.
Formation
Since 2008, the company has come to grips with the improvement of the operating system and gadgets. With each new version, iOs is getting more and more optimized. Users who update their gadgets in a timely manner notice significant changes. First, the functionality is significantly increased. Secondly, major bugs of previous versions are fixed. Developers closely monitor their work, user reviews.
Peculiarities
As mentioned above, the most important feature is the closeness of iOs. What it is? The photo of the working iPhone is just above, it shows the standard desktop of the gadget. So, the closeness of the system is manifested in the fact that the user cannot configure the device completely for himself. The main settings, functions and basic functionality remain standard. The system uses a closed code that does not allow you to change anything. And this, by the way, is also a virtue. If only because the security of the gadget remains on top. Especially when compared to the completely open and vulnerable Android system.
Advantages
The most important advantage of the system is its stability. Indeed, multitasking (simultaneous use of several applications) remains at its best even on old gadget models. Not to mention the fact that the system rarely has any failures that lead to the failure of the device. This almost never happens in iOS! Developers, releasing a new "apple" gadget, do not just "sharpen" a new version of the operating system for it, but also diligently optimize it to work with older devices. And given that Apple products are very expensive, this is a very humane approach.
It is noteworthy that, despite the closed program code, the system remains intuitively simple. And most importantly - comfortable! It's really a pleasure to use because it works smoothly, quickly and without interruption. But it is not without drawbacks, because not everything can be perfect.
imperfections
Perhaps the most important disadvantage of the system is its frequent updating, which leads to some unpleasant moments. So, gadgets of the first generations simply cannot afford to run the updated and latest versions of iOs. Weak hardware simply does not master such fast and perfect functions and settings. And older versions of the operating system are no longer supported by the company. Which always leads users to the problem of choice: to change the old gadget (which is very problematic to sell) for a new one, or to endure all the "glitches" and "lags", watching how the system slowly "dies".
conclusions
So, what else can be said about iOs? What it is? Linux is the most modern and stable of the currently existing computer operating systems, has a common, similar kernel with iOs. Which already speaks of many advantages over other mobile platforms. However, there are still more Android users. If only because gadgets with this operating system are cheaper. Owners of iOs rarely change it to more budget and simple options. And even limited user functionality, closeness and high cost do not stop! What to choose for yourself? This is already decided by everyone, but it is worth remembering that, according to statistics, iOs users use their gadgets to 200%, practically without encountering such a problem as resetting the device to factory settings, restart, "glitches" and "lags".
The iOS operating system is one of the most famous platforms for the correct functioning of mobile devices developed by the world famous Apple company.
The main feature of this platform is that it can only be installed on phones and tablets that are released by Apple. OS iOS is based on the concept of direct manipulation by pressing buttons directly on the screen of a mobile device.
The fact that the iOS system has become widespread is not surprising. Given the fact that Apple products are distinguished by the high quality of their developments, their own platform allows you to implement a number of specific tasks that other systems are not able to handle.
What is the ios operating system?
Before proceeding with the review of the iOS platform, you should understand in detail what kind of “beast” it is. As mentioned above, the iOS operating system is a unique platform for convenient user interaction with an Apple mobile device. This OS has an amazing interface and allows you to solve complex tasks using your mobile phone. Distinctive features of the iOS platform are:
- Data privacy- no program without your consent will not get access to personal data. Only with your consent, third-party applications will have access to the address book, your location, photo and video files.
- High security– the OS developer tried to protect the system as much as possible from possible infection with malware.
- Huge number of built-in functions- the iOS system includes a huge number of user-friendly features that will delight any happy owner of an Apple mobile device.
The ios operating system is a universal assistant in study, work and everyday life. With built-in features, your mobile device can help you tackle the toughest tasks. Among the built-in functions, the following should be highlighted:
- touch ID- thanks to this technology, the user will not be able to access someone else's mobile device. Only the owner, whom the device recognizes by fingerprint, will have access to the data of the phone or tablet.
- VoiceOver- this feature allows people with poor eyesight or even the blind to use Apple's development. This technology is based on voice acting for all actions performed by the user.
- Made for iPhone– with this function, you can improve the sound in Bluetooth, which can be used for both talking and listening to music.
- Guided Access- this application makes it possible to disable a number of programs except for favorites. This feature can be useful for parents who want to limit their children's access to certain device programs and people who have problems with perception.
- Polyglot- a unique feature that allows people who do not know English to use a phone or tablet. With Polyglot, you can switch the keyboard layout to more than 50 languages. In addition, the application can recognize more than 20 languages by ear.
It should be added that the iOS operating system is able to support not only built-in functions, but also many third-party applications that can be downloaded from iTunes.
The apple ios operating system has a number of features:
- High operating speed- The ios platform has a high speed of operation. The dynamics of using the interface can surprise someone who first took an Apple gadget into their own hands.
- Intuitive interface– even the most inexperienced user will be able to quickly and easily deal with all the features of the platform. The simplicity, convenience and versatility of the interface make ios one of the most reliable and popular platforms.
- Convenient file system- in order to find any file you need, just make a few taps on the screen with your finger. The file system is as simple and clear as possible.
- Availability of a huge number of applications for the OS- Since the release of the first version of the platform and until today, many special applications have been created to solve various problems. In addition, the number of entertainment programs for ios can turn the head of any user. Just go to itunes and download what you need.
- Continuous enhancement of functionality– thanks to regular updates, the functionality of the mobile device is constantly increasing. For this, the developers of the OS should be thanked.
Where can I download the ios system
Download ios operating system available on the Internet. It is best to download the platform for your phone from official sources. This is the only way you can be sure that no malware is integrated into the platform. For this reason, use only the servers of official developers to boot the system. In addition, the ios operating system, which you can download for free for your phone, is easy to install.
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