If your iPhone doesn't work properly, it may be caused by a dead battery.To judge this, you can press and hold the power on button. If the low battery icon is displayed on the screen and the iPhone is still not powered on, it is likely that the battery is completely exhausted.In this case, simply connect the charger for charging to solve the problem.
It should be noted that, unlike other mobile phones, on the iPhone, when the battery is completely exhausted, it is not possible to plug in the charger and start the phone immediately.In iPhone, the battery needs to be charged to more than 5% to start normally.
In addition, there are some precautions to be observed before brushing the machine.First of all, please make sure to select a brush package that exactly matches the phone you are using.The brush packages corresponding to different brands, models, sub versions, network systems and languages are usually different.Secondly, please ensure that the mobile phone is fully charged (more than 30%), because a large amount of data may be written during the machine cleaning process, and the machine cleaning package is often large (tens or hundreds of megabytes).In addition, please ensure that the connection is stable to avoid the breakpoint causing brush failure or equipment bricking.
Reference: Baidu Encyclopedia - Apple X Reference: People's Daily Online - Plugin Subtlelock Causes a Large Number of Prison breaking Apple Devices to Go White
The power of the mobile phone is insufficient, and the phone needs to be charged before it is flushed. The specific steps are as follows: 1. Open the Apple Brush Assistant software;
2. Click Query SHSH to query which versions of firmware your phone can use;
3. When performing the above operations, the software will prompt you to let the phone enter DFU mode.Ways to enter DFU mode: 1. Keep the phone in power on mode or recovery mode, and insert the data cable.2. Press the HOME key and the power on key of the phone at the same time, and do not release the power on key until the phone screen turns off, and then release the power on key about 4 seconds later, but do not release the HOME key until the software prompts "Success".If you don't find the available version, please back up your current version of SHSH. This is very important. When your mobile system crashes or you feel bloated, you can use the current version of your mobile phone (that is, what the Internet calls flat brushing).There is no need to back up SHSH for iPhone 3G. You can definitely find the brush version.If the current version of iPhone 3GS and iPhone 4 is not found, and you want to refresh the current version, you must first back it up;
4. Download the firmware of the version you want to brush. If your computer has the corresponding firmware, you do not need to download it.Modify the suffix name of the downloaded file After the firmware download is completed, if the suffix name is zip, please change the suffix name to *. ipsw, and never change the front part of the firmware name.Click the Import Firmware button and select the firmware you just downloaded.Apple's cleaning assistant has a baseband function. Even if you use the original firmware to clean the phone, it will still be the original baseband version of the phone;
5. Click one button to brush the machine, and prepare to brush the machine.At this time, the software will prompt you to let the phone enter DFU mode;
6. The whole brushing process takes about 4 to 8 minutes.
