How does iPhone dual SIM signal display

Feb 13,2025

The display mode of iPhone dual SIM signal mainly depends on the settings of the mobile system and user preferences. Here are some detailed explanations about iPhone dual card signal display: 1. Signal display mode

1. Dual layer display: After placing dual SIM cards on an iPhone, the signal bar usually displays two signal signs in a dual layer format, representing the signal strength of the two carriers. This display method is intuitive and clear, allowing users to clearly see the signal status of each card.

2. Control Center Display: After pulling down the Control Center, users can also see the dual card signal display in the upper left corner of the interface. The one at the top is usually the data card currently in use, which helps users stay informed about their current data connection status. 2、 Setting method

1. Open cellular network: You need to open the "Settings" app on your iPhone, then find and click on the "Cellular Network" option.

2. Enter network selection: In the cellular network interface, find and click on the "Network Selection" page. Here, you can set the phone to automatically select the network, and when using dual SIM cards, the signal can be automatically displayed in two layers.

3. Dual SIM Data Access: In iPhone 12 series and later models, you can select the "Default Data Line" option and then choose "Dual SIM Data Access". In this way, two signal strength icons can be seen on the control center or phone status bar. 3、 Other precautions

1. Primary and secondary card settings: In the dual card settings, users can set the primary and secondary cards. The main card is usually used for data connection and making phone calls, while the secondary card can be used for receiving incoming calls and text messages. Users can set up primary and secondary cards according to their own needs.

2. Signal strength: Signal strength may be affected by various factors, such as operator, geographic location, building obstruction, etc. Even in the same location, the signal strength of two cards may differ.

3. System update: With the continuous updates of the iOS system, the display mode of the dual card signal may also change. It is recommended that users regularly check and update the iOS system to ensure that the dual card function can be used properly.

The display mode of iPhone dual card signal is achieved through dual layer display or control center display, and users can set and adjust it according to their own needs. At the same time, attention should also be paid to the settings of the primary and secondary cards and the impact of signal strength.