Home > Article > Software Tutorial > What is the difference between locked and unlocked iPhones? Detailed introduction: Comparison of the differences between locked and unlocked iPhones
php editor Zimo will introduce the difference between locked and unlocked iPhones and a detailed introduction. A locked iPhone means that it cooperates with a specific operator and needs to be bound to a contract when using it, and the SIM card cannot be switched; an unlocked iPhone can freely use any operator's SIM card without being bound by a contract. The article will delve into the differences and impacts between the two to help readers better understand iPhone selection and use.
Apple mobile phone is the most widely chosen mobile phone recently, but we often see people discussing Apple mobile phone on the Internet The difference between locked and non-locked, you will be confused about which one to buy. Today, Chen Siqi will share with you the differences between locked and unlocked iPhones and help you solve problems. In fact, there is not much difference between the two in appearance and function. The key lies in the price and use.
What is the locked version and the unlocked version?
Unlocked iPhone means that it is not restricted by the operator, and the SIM card of any operator can be used normally. A locked version means that it has a network lock and can only use SIM cards provided by the designated operator and cannot use others. In fact, unlocked Apple phones can use cards from any operator such as China Mobile, China Unicom and China Telecom, just like our all-Netcom phones, while locked phones, like Telecom phones, can only use China Telecom cards.
Benefits of locked and unlocked versions
The locked version of Apple generally refers to parallel imports, also It is what we often call the Hong Kong version or the American version of mobile phones. This kind of mobile phone is generally more cost-effective, that is, cheaper, and more people buy it in China. However, in order to be used normally in China, it must use card stickers and jailbreak cracks. Wait until you can use it. The unlocked version of Apple can upgrade the firmware at will without having to worry about signal cracking, and any operator's SIM card can be used smoothly without having to worry about unlocking, activation and some system upgrade issues. In short, the locked version of Apple is cheap, while the unlocked version is convenient.
Disadvantages of the locked version and the unlocked version
The locked version of Apple will encounter many problems in use Problems, such as: you cannot update the system software at will, and no matter whether your phone is unlocked or not, the baseband will be upgraded when upgrading the firmware. Once the baseband is upgraded, the phone will return to the unlocked state and cannot be used again, and you have to find it again. The unlocking method is very troublesome. In addition, if the locked mobile phone is damaged, it will be a problem to repair, and you have to return it for repair. The unlocked version of Apple is more expensive because it has to pay customs duties, so its price is not acceptable to ordinary people.
How to check whether the iPhone is locked or unlocked
Of course, the simplest and most direct way is to use other operations For verification, use the SIM card provided by the manufacturer. For example, insert a China Unicom card into the US version of the machine to see if it can be used normally. If there is a signal, it means there is no lock. If there is no signal, it means there is a lock.
If you don’t have a SIM card at hand, you can identify it by querying the model number.
Open the iPhone's "Settings - General - About This Machine - View Model". The information here represents important information related to the place of origin. Take "MD276LL" as an example. The "LL" here represents " "US version", then search it on Baidu or Google. In addition, Chen Siqi has compiled some common models of locked and unlocked phones. You can refer to the following information to determine whether they are locked. If you don’t have relevant information, you can Google or leave a message to ask. Of course, fruit fans are welcome to add.
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