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HomeCommon ProblemWhat to do if the modem firmware is blank

Reasons and solutions for blank modem firmware: 1. If the signal is locked, you can purchase a special card and use it after cracking; 2. If the baseband in the system is incorrect, you can flash the machine, and it is recommended Flash the corresponding and latest version of the system; 3. If the SIM card slot is faulty or the phone card has poor contact, you can pull out the card and put it back in again.

What to do if the modem firmware is blank

The operating environment of this tutorial: iOS12.4.1 system, iPhone 11 mobile phone.

What should I do if the modem firmware is blank?

The analysis is as follows:

There are several possibilities for this kind of failure:

1: The mobile phone is a parallel import and has a lock, the signal is locked, and the card is loaded Afterwards, signals in mainland China cannot be used.

2: The system of the mobile phone is wrong, that is to say, the baseband in the system is wrong, resulting in the inability to use the wireless function and the inability to search for signals.

3: The SIM card slot of the mobile phone is faulty or the mobile phone card has poor contact, resulting in the mobile phone card being unable to be recognized.

‍The first solution is to purchase a special card sticker, which can be used after being cracked.

The second solution is to flash the machine. It is recommended to flash the corresponding and latest version of the system.

The third solution is to pull out the card and reinsert it. If it still doesn't work, you can only send it to a repair shop for repair.

Extended information

Maintenance of mobile phones

As the saying goes, "prevention is better than cure", if you wait until something goes wrong with your phone every time to remedy it, it may already be too late! The following are 5 examples of how to easily damage your mobile phone. All of them are common mistakes. If you can do them, you can keep your mobile phone in a safe state.

Taboo 1: Avoid touching the metal piece of the SIM card. Any scratches or damage will cause the SIM card to become unreadable.

Taboo 2: Do not place your mobile phone at the air-conditioning outlet, because the moisture condensed on the mobile phone will corrode the machine board invisibly.

For more related knowledge, please visit the FAQ column!

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