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I think you're the best.
Lost & Found.
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If the iPhone4S screen is faulty and is still under warranty, you can make an appointment for repair through Apple's official website.
The operation is:1After logging in to Apple's official website, click on "Technical Support".
2.Click "Provide Serial Number", enter the correct machine serial number, and check the warranty period to make an appointment.
3.After the appointment is successful, bring the machine and ID card to the Apple store for repair within the specified date.
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After the iphone4s falls, the screen becomes a blue screen, you can make the phone into DFU mode, and then re-enter the phone. The steps are as follows:
1. Press and hold the home and power buttons for 10 seconds - release the power button but the home button continues to press for 15 seconds, and the phone screen is black.
2. Install the latest jailbreak software on the computer, open the software to identify the phone, and the software jumps to the installation mode immediately after the phone is connected to the computer, indicating that it has entered the DFU mode, and this process does not require the mobile phone to perform jailbreak operation.
3. Start your phone and check if the phone fault has been eliminated.
Solution:1Assuming that the motherboard is not damaged, take it to a mobile phone repair shop to pay for repair, or take it to Apple for after-sales paid repair.
2.Assuming that the motherboard is damaged, it is better not to repair it because the cost is very high. Go directly to the mobile phone repair shop and sell it and buy a new phone.
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I guess the hardware is broken, go fix it.
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It is recommended not to go to the specialty store to repair, they are very dark. It's better to find a better repair shop, ** there is absolutely no half of the specialty store, either official or good. Apple has always been profitable, and the cost is not known to be half of the repair cost.
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Mine just fell a little and....Blue screen and then reboot decisively and it's fine.
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I also had your experience, and then I didn't know how to get it myself, so I just went and repaired it.
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You'd better go fix it.
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1.Prepare the system CD.
2.Go to the BIOS to set the disc as the first boot item.
3.Reboot into disc boot.
4.On the first screen, select R Repair System.
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Is this the case when you enter iTunes?
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1. Check whether the mobile phone battery is damaged, and it is recommended to replace the battery.
2. It may be a problem with the mobile phone wiring, and it is recommended to send it to a repair shop for repair.
3. It may be a problem with the mobile phone system, and it is recommended to restore the system.
4. It may be a problem with the mobile phone charging cable, and it is recommended to replace the original charging cable.
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This kind of software is a software problem, use the latest version of iTunes to upgrade or reinstall the firmware (system) to try!
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The motherboard is broken, there is nothing to say, you can buy a motherboard on the **, replace it yourself, if it is still in the warranty period, go to after-sales service.
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Visually, the motherboard is short-circuited, and it will be dealt with directly after sale, or sold and replaced.
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Then the motherboard must be broken, change it!
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If the phone turns on but the screen doesn't show up, the screen doesn't show up.
Please lift your phone up to a bright place in a bright spot. Make the gaze less than 30 degrees from the mobile phone screen, observe the mobile phone screen, and see whether you can vaguely see the content displayed on the mobile phone screen;
If you can see that the backlight driver module on your phone's motherboard is faulty, you need to replace the display backlight boost module on the motherboard;
If you can't see anything, it's likely that the LCD is damaged, and you may need to replace the screen assembly.
The speed replenishes the war ancient tree is br, and it can be uprooted when necessary.
Remember: |a-3|is a positive number, (b+4) is also a positive number, and the addition of two positive numbers gives 0, which only means that both numbers are 0, so |a-3|=0,a=3,,(b+4) =0,b=-4, so a+b=-1
In response to the different questions of many netizens, after a long time of modification and supplementation, the answer [original] is basically fixed, ?Reproduction is strictly prohibited&. Friend! If you have a problem that you have solved in other ways, please say it for other friends to solve. Thank you! >>>More
If a key process error occurs in the system, redo the system or restore the system backup.
Hello, the situation you said is generally caused by system software, memory, and hard disk. >>>More