How to restore the sudden no service of the mobile phone card. Must-see: How to solve the problem of no service of the Apple 12 dual SIM card

"How to restore the sudden no service of mobile phone card? Must read: Apple 12 dual SIM card no service solution." This is an important tip brought to you by php editor Yuzai. As a hot new product, Apple 12 series mobile phones may also encounter some problems, such as dual SIM cards and no service. For this problem, we have provided you with a solution, hoping to help you restore your mobile phone service and continue to enjoy a worry-free communication experience.

Hope it can help friends who have the same problem as me.

The iPhone 12 I bought for 4 months suddenly had no signal. I tried some solutions and found out that it was a mobile phone card problem.

After using it for 4 months, everything was fine. Yesterday, suddenly there was no signal. Later I found that as long as I inserted the China Unicom card, both cards would lose signal. I took the China Unicom card and inserted it into other phones (three Huawei phones) ) and there are no problems. I am very panicked. I just bought the iPhone 12 for 4 months and it breaks so easily?

I searched for various solutions to the problem on the Internet. Still not resolved.

1. Restart the phone

2. Restore all settings

3. Airplane mode

Because I tried other phones with China Unicom card and there was no problem. I thought at that time that there must be something wrong with the phone. I originally planned to go to Apple’s after-sales service department that day for repair, but it happened that I couldn’t borrow a spare phone on Sunday afternoon (you can borrow a spare phone from after-sales service Monday to Saturday). So I thought about going there again tomorrow. I met a China Unicom service store nearby and went in to change my card. After plugging it in, I didn’t expect that the phone would be fine.

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