What is the baseband of Apple's mobile phone?

Question 1: What is the baseband problem of Apple's mobile phone? The so-called baseband is the baseband chip. Answer the phone.

Generally speaking, unlocking is aimed at baseband chips. Because of the system version upgrade, the baseband may be upgraded together. For a locked version of the iphone, it's a tragedy. If the hacker doesn't release the unlocking tool, you can only use it as mp4.

Question 2: What is the function of the baseband of Apple's mobile phone? Will changing the baseband affect it? The natural frequency band (bandwidth) of the original electrical signal sent by the source (source, also known as the transmitter) without modulation (spectrum shift and transformation) is called the basic frequency band, which is called baseband for short. For example, I can't use the mobile card directly after I swiped the China Bank 2.5 package for my Oushui 722, because I can't find the mobile signal at all, only the signal of China Unicom. After changing the baseband, the problem will be solved and will not affect. . . . . Beijing fruit powder worry-free mobile phone repair. . . .

Question 3: What does the "baseband" mentioned in iphone jailbreak mean? Baseband has nothing to do with jailbreak. Baseband is related to unlocking. For example, the regular version you bought is a contract machine, which can only be plugged in&; T's card can be used to make phone calls. If you let China use Mobile, you must unlock it. This is easy to understand. . .

Question 4: What is Apple's 5s baseband? Hello, really. In our mobile phone, it usually consists of two parts, one is the advanced processing part, which is equivalent to the computer we use; The other part is baseband, which is equivalent to the modem we use. What network standard does the mobile phone support (GSM, CDMA, WCDMA, TD-SCDMA, etc.)? ) is determined by it, just like the difference between ADSL modem and ordinary narrowband modem.

When we use mobile phones to make phone calls, surf the Internet, send text messages, etc. We send instructions (usually standard AT instructions) to the baseband part through the upper processing system, and these instructions will be processed and executed by the baseband part. After the baseband part is processed, a logical channel will be established between the mobile phone and the wireless network, and our voice, SMS or Internet data packets will be sent out through this logical channel.

Question 5: What does the baseband of Apple's mobile phone mean? Baseband chip is a chip used for signal processing.

Question 6: Who knows what is wrong with the baseband of Apple's mobile phone? The symptoms of Apple's mobile phone baseband are as follows.

1. The cell phone signal bar will show that it is searching, and there has been no signal.

2. Settings-General-The item about the local modem is empty.

The solution is as follows:

1. Download the latest version of itunes on the computer side, otherwise unknown errors may occur when reinstalling.

2. Connect the iphone to itunes, turn off the iPhone, press and hold the Home button and the Shut Down button at the same time 10 second, release the Shut Down button, and continue to press and hold the Home button until you see that the device is recognized as DFU on the computer. When prompted by the computer, release the home button, select the restore option button on itunes, and click OK to restore in the pop-up selection box.

3. Next, itunes will pop up a page, prompting that all contents will be erased and will be verified and restored with the Apple server. When the verification and file extraction are completed, iTunes will automatically reinstall the downloaded firmware version for the iphone, and then reactivate the iphone after the installation is successful.

Question 7: What is the Apple 5 baseband? Hello, "baseband" is a common nickname, which is used to name some components inside the iphone. Baseband is used to manage phone and network access of iphone. Baseband is a very small and special independent computer system running inside iphone. It runs separately from the main system that controls iphone software (e-mail, Google Maps), and it communicates with the main system of iphone through the internal network. Imagine that it is just a modem or other non-essential component that needs to be updated occasionally in your system. When a software update is released, the new update will upgrade your baseband (fix errors or add new features) through itunes.

There are three other points to note: 1, the baseband of other mobile phones can be changed at will except iphone. 2.iphone baseband has the function of sim card firewall. Custom machine can't use domestic calling cards without unlocking the baseband, which is often aimed at a specific baseband version. If the baseband version does not correspond, it cannot be unlocked. 3. Baseband upgrade is an irreversible process (only in rare cases, the baseband can be degraded, but it may need to be disassembled, which may also lead to some abnormal phenomena of iPhone).

Check the iphone baseband version: Settings-General-About this machine-The relationship between the so-called baseband baseband upgrade and iPhone firmware upgrade: the firmware can be upgraded separately, and if it is upgraded, it will be upgraded together. That is to say, the firmware can be upgraded separately, and the baseband cannot be upgraded separately.

Question: What is the Iphone baseband? What does it mean to change the baseband iphone? Samsung I used to use, the baseband is broken, and it has been repaired for more than 400 yuan. Baseband is used to receive signals. Without the baseband, you can't make phone calls and send text messages.

Question 9: How to identify what baseband Apple 7 mobile phone uses to open iPhone? Click "Settings" and click "General" in "Settings".

Click about this machine again.

The content of "Modem Firmware" in the "About this Machine" interface is the baseband version number.

Question10: What is the iPhone baseband? Baseband is a common nickname used to name some components inside the iphone. Baseband is used to manage phone and network access of iPhone. Baseband is a very small and special independent computer system, which runs inside the iphone. It runs separately from the main system that controls iphone software (e-mail, Google Maps), and it communicates with the main system of iphone through the internal network. Imagine that it is just a modem or other non-essential component that needs to be updated occasionally in your system. When a software update is released, the new update will upgrade your baseband (fix errors or add new features) through itunes. 3. 1 update is such an update, so running ordinary update directly through itunes will reorganize and upgrade your baseband.