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Why is my Apple xsmax a single card?

American version of apple xsmax.

Bank of China Apple xs max is a dual card. Apple xs max fully supports dual card dual standby, but it cannot support two telecom cards during use. If two telecom cards are inserted, the secondary card has no service. This phone is dual-card, so it can support simultaneous calls.

IPhone Xs Max is the largest screen size iPhone in history. Like the current iPhone X, it will be equipped with a special-shaped organic light-emitting diode display with a ratio of about 19.5: 9, but the diagonal size of this screen may be increased to 6.5 inches, while the screen size of iPhone X is only 5.8 inches.

Matters needing attention in mobile phone maintenance

The mobile phone has cracks or holes, which are easy to penetrate when it encounters moisture, leading to the erosion of the circuit board, so don't use the mobile phone in the rain or bathroom. At the same time, don't put the mobile phone in the air outlet of the air conditioner, because the water vapor condensed on the mobile phone will corrode the machine board invisibly. With the passage of time, the corrosion of circuit board by water vapor becomes more and more serious. At first, it may feel useless, but when the fault phenomenon appears, I'm afraid it's too late.

The mobile phone speaker itself is magnetic, so don't let the mobile phone often touch places with a lot of iron powder, so as to avoid inhaling too much iron powder from the sound hole of the mobile phone speaker and attaching it to the speaker film, resulting in the sound of the receiver becoming smaller or even inaudible. In addition, the touch screen of smart phones is also very afraid of magnetic proximity to magnets, which will temporarily invalidate the screen of smart phones and may damage the touch screen.

Refer to the above? Baidu encyclopedia-apple XsMax