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1. The most intuitive way to query and judge is that the iPhone needs a lock to be used, and the unlocked version can be used normally without a card.
Second, the specific query method:
Step 1: Serial number inquiry.
Open the iPhone's "Settings - General - About This Machine - Model", you can see the model, serial number, WiFi address, Bluetooth related digital display, these information represents some important information related to the origin. Or connect the device, open itools, find the home page of the device, click to view the information details, and the device information can be displayed. Take "mc918ll" as an example, where "ll" stands for "American version".
Step 2: Version Identification Method.
1. American iphone5c
1. ATT unlocked 2 nets.
Model MD634LL = 16GB Black ATT
Model MD635LL = 16GB White ATT
Model MD636LL = 32GB Black ATT
Model MD637LL = 32GB white ATT
Model MD644LL = 64GB Black ATT
Model MD645LL = 64GB White ATT
Model MD638LL = 16GB Black ATT
Model MD639LL = 16GB White ATT
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The following describes how to view whether there is a lock or whether it is locked
1.Open**:
Enter the serial number to be queried, and click Query:
The details of the phone will be displayed.
2.According to the following network lock options: Unlocked - means no lock, Locked - means there is a lock.
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1: Identify the built-in card: if you don't insert the card, there is no service or lock. If you don't insert the card and show no SIM card, it is no lock.
2: If you have a native lock, you can't use the card without inserting the Chinese card.
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Usage status of iphone5s model:
1. iPhone 5S (A1518 version): This version is customized for China Mobile, supporting mobile 2G, 3G and mobile 4G. China Unicom 3G and 4G are locked.
2. iPhone 5S (A1528 version): This version is customized version for China Unicom, which supports China Unicom 2G and 3G; Mobile 2G. After the upgrade, you can turn on the 4G option, but you can't enter the mobile 4G network.
Locked mobile 3G. Suitable for China Unicom users.
3. iPhone 5S (A1530 version): This version is the Apple bare metal version, which is used to replace the previous A1528 bare metal version, which is equivalent to A1518+A1528 in layman's terms. Support mobile 2G, 3G, 4G; China Unicom 3G.
This version is suitable for mobile and China Unicom users.
4. iPhone 5S (A1533 version): This version supports telecom 2G and 3G.
The English abbreviation of cout means output, and the English abbreviation of cin means input, the output stream of cout is , and the input stream of cin is, so the output input stream of cout and cin is to be clear, i is the abbreviation of cin, and o is the abbreviation of out, so the header file of cin cout is. >>>More
The system is the same, the appearance is different, and the material is different. The hardware configuration is about the same. 5C is a chicken rib product.
1. After the US version of 5SA1533 is upgraded, you can use the telecom 4G network. >>>More
Learn to summarize and generalize, and the answer will come out naturally.
I checked it, there is this number! And Apple is the iOS system! You don't know?