Is xsmax dual-SIM dual standby?

xsmax is dual-card dual-standby. The National Bank and Hong Kong version use physical SIM cards and dual-card dual-standby. However, the US version uses a physical SIM card and an eSIM configuration to achieve dual-card dual-standby. Because At present, eSIM has not been widely spread in China, so the US version of the dual-SIM dual-standby function cannot be used in China. At the same time, xsmax does not support dual telecom cards. If two telecom cards are inserted into the mobile phone, the secondary card will have no service. .

#The operating system of this tutorial: IOS16.0 system, iPhonexsmax mobile phone.

xsmax is a dual-SIM dual-standby. Except for the iPhone XS Max version of China Bank and Hong Kong Bank, which uses a physical SIM card dual-SIM card, the other versions like the US version use a physical SIM card. Dual-SIM dual-standby is realized by the configuration of one SIM card and one eSIM. Since eSIM has not yet been widely spread in China, the US version of dual-SIM dual-standby function cannot be used in China.

iPhoneXSMax does not support dual telecommunications cards. If two telecommunications cards are inserted into the phone, the secondary card will have no service. It is also worth noting that the dual SIM cards of the iPhone Sometimes, calls from another card can also be dialed and you can choose to answer.

Does not support two telecom cards because the three major domestic operators all use different standard frequency bands, and each operator also has corresponding 2G, 3G, and 4G network standards: The 2G network used by China Mobile and China Unicom is a GSM network, while China Telecom uses CDMA1X technology. Therefore, one of the two card slots must use GSM and the other uses CDMA1X. Therefore, you cannot use two telecommunications cards at the same time, but you can use two mobile cards or two China Unicom cards at the same time, or you can combine them at will.

How to install dual SIM cards on Apple iPhone XS Max?

Installation diagram:

Step 1: Use a paper clip or SIM card ejection tool to insert into the small hole on the SIM card tray, and then point it towards the iPhone Push in to pop out the SIM card tray.

Step 2: Pop up the SIM card tray, and then take out the SIM card tray.

#Step 3: Place the new SIM card into the bottom of the tray. Due to the notch, the SIM card can only be inserted one way. Then insert the other SIM card into the groove at the top.

Step 4: After the two nano-SIM cards are placed, insert the bracket completely into the device according to the orientation when taking out the bracket to complete the card installation. .

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