- Unlocking: Knowing your carrier helps you unlock your phone so you can use a SIM card from another carrier.
- Warranty: Querying the operator information helps you obtain corresponding after-sales services during the warranty period.
- Second-hand transactions: When purchasing a second-hand US-version iPhone, checking the carrier information can help you avoid buying a contract phone or a locked phone.
How to check the carrier of US iPhone?
1. Check the SIM card slot
- Nano-SIM card slot: Most modern iPhones use Nano-SIM cards.
- Information on the SIM card tray: Sometimes the SIM card tray will have the operator’s logo or model information.
2. Check your phone settings
- “About this device”: Find the “About this C Level Contact List device” option in the settings and check the “Carrier” or “Model” information. The display method may be slightly different for different iOS system versions .
- “Cellular Mobile Network”: Find the “Cellular Mobile Network” option in the settings and view the operator name.
3. Check the IMEI code
- Enter #06# on the dialing screen: * Enter *#06# on the phone’s dialing screen to view the IMEI code.
- IMEI query website: Enter Buy Phone Number Data the IMEI code into some professional IMEI query websites to obtain more detailed device information, including the operator.
4. Check the phone box
- Original packaging box: If you still have the original packaging box, you can find the carrier’s relevant information on the box.
Common carriers for US iPhones
- AT&T: One of the largest mobile communications operators in the United States.
- Verizon: The second largest mobile communications operator in the United States.
- T-Mobile: The third largest mobile communications operator in the United States.
- Sprint: Once the fourth largest mobile communications operator in the United States, it has now been merged into T-Mobile.
Note: The difference between CDMA and GSM
- CDMA (Code Division Multiple Access): Code Division Multiple Access, the representative operator is Verizon.
- GSM (Global System for Mobile Communications): Global Mobile Communications System, represented by operators such as AT&T and T-Mobile.
- Unlocking: Unlocking a CDMA phone is relatively complicated, while unlocking a GSM phone is relatively easy.
Tips
- Be cautious when buying on the second-hand market: When buying a US iPhone on the second-hand market, it is recommended to trade in person, carefully inspect the phone, and ask the seller for proof of purchase.
- Unlocking service: If you purchased a contract phone or a locked phone, you can unlock it through formal channels.
- IMEI query website selection: Choose a reliable IMEI query website to avoid leaking personal information.
Summarize
With the above methods, you can easily check the carrier information of the US version of iPhone. Knowing the carrier information is not only helpful for unlocking the phone, but also helps you make a smarter choice when buying or selling a second-hand iPhone.
SEO keywords: US iPhone, carrier query, IMEI code, AT&T, Verizon, T-Mobile, Sprint, CDMA, GSM, mobile phone unlocking
Tips: With the continuous development of technology, mobile phone models and system versions are also constantly updated, and the specific query methods may be different. If you encounter any problems, it is recommended to consult a professional.
