Method one: Using 3uTools to flash your iPhone.
What should you do if your iPhone is out of work? Can you fix it by yourself? If your iPhone is under the warranty date, you may choose to change a new one from Apple or ask help from Apple customer service. But some problems can not be solved once and for all. For instance, some problems may cause by yourself, Apple has the right to refuse to help you out or you need to pay a lot of maintenance costs in general. If your iPhone is out of the warranty date, you may choose a third party dealer to fix your iPhone, but you still need to pay a lot of maintenance costs.
![Image](https://s-media-cache-ak0.pinimg.com/564x/22/fc/3c/22fc3c8c7729bbb9ec57e92f0a3fcaaf.jpg)
For normal users, you can learn some easy methods, then you can fix your iPhone by yourself.
“Software” problems.
![Image](https://s-media-cache-ak0.pinimg.com/564x/c7/35/cf/c735cf18d7ed59015680db7ce1b86fc4.jpg)
You are suggested to flash your iPhone when your iPhone show up the following problems:
1.After you jailbreak your iPhone, the screen shows a white apple logo.
2.After you jailbreak your iPhone, your iPhone can not work.
3. You are using your iPhone without abnormal operation, but your iPhone show you that the storage space is insufficient.
4. You are using your iPhone without abnormal operation, but your iPhone suddenly enter recovery mode, and you can not quit form it.
5. A lot of problems of iPhone are probably caused by software. You can firstly use 3uTools to flash your iPhone. If this problem can not be solved via flash, then you need to check the hardware of your iPhone.
As shown in the following picture, after you connect your iPhone to PC using USB cable, you just need to click the button “Flash”. And you can take this flash tutorial as reference:http://www.3u.com/tutorial/articles/3utools-flashes-ios4-9-in-easy-mode-tutorial
![Image](https://s-media-cache-ak0.pinimg.com/564x/87/3d/21/873d21bab352c7be8f0fd2f265f0c26f.jpg)
Method two: You can fix your iPhone without disassembling.
“Hardware” problems.
Warm prompt: You need to turn your iPhone off when you do the following operations.
1.Your iPhone can not charge or your iPhone is slow to charge.
![Image](https://s-media-cache-ak0.pinimg.com/564x/c8/ff/eb/c8ffeb6f6310b8911531acebaf20bd51.jpg)
Some Apple users may meet with the problem that iPhone can not charge or the charging speed is very slow. This problem is not caused by software or hardware. It may cause by some sundries, for example, dust and cotton fibre. And you are suggested to use a toothpick or a needle to pick out the sundries of your iPhone’s charging port.
2.Your iPhone’s earphone /speaker has no sound or the voice is very low.
![Image](https://s-media-cache-ak0.pinimg.com/564x/03/be/f0/03bef038f0492700fe9c82fb7bdecf8b.jpg)
You are suggested to use a specialized brush to clear your iPhone’s speaker or earphone. If you do not have a specialized brush, you may clear it with a toothbrush.