May I ask if my 9300 inner screen cracked a corner, black screen, flower screen, do you have to chan

Yes. This has to be replaced. There is no way to fix the liquid crystal, this case. You are very unlucky.

I specialize in Samsung's original screen,Let me tell you here,If the outer screen is broken,The touch function and LCD display are completely normal,It is possible to replace the external screen,But you need professional equipment and technology as support,Environmental requirements are also in the factory dust-free workshop to replace。 There is no way to change the labor.

Of course, it's not a scratch, is it possible that you still want to use toothpaste to remedy it?

According to your description, it is recommended that you bring the purchase invoice, warranty card, and send the mobile phone to the nearest Samsung service center for testing, the specific service center address and contact**Please visit.

It's okay to change the inner screen.

Summary. It may be that the outer screen was broken at the beginning, and the fragments of the outer screen were pressed to the inner screen, which was not obvious when it was broken at the beginning, and after a period of time, the screen was often knocked on and the inner screen collided with the broken outer screen, so now the inner screen will appear black from the corner.

The outer screen was broken and it took a while, and now the inner screen has some black screens, what's going on.

Hello, dear, this situation may be that the inner screen is also broken.

The outer screen is broken, and if the inner screen is black, it means that the inner screen is also broken.

It may be that at the beginning only the spring calendar was broken by the outer screen,The fragments of the external screen were dismantled and pressed to the inner screen,It was not obvious when it was broken at the beginning,After using it for a period of time,After Yu Mu often knocked on the screen, it caused the inner screen to collide with the broken outer screen,So now the inner screen will appear black from the corner。

In this case, it is recommended to kiss and replace the outer screen as soon as possible, otherwise the impact of the inner screen will be greater, and the cable may also be broken, so that the cost of replacing it will be higher.

The inner screen is the display screen,Blocking mainly plays the role of displaying the picture to finish,If there are black spots on the screen of the mobile phone、Lines and display are not clear and the touch is not effective, it means that the inner screen of the mobile phone is damaged,In this case, you can only change the screen assembly。

You can also see it on the inner screen, but there is a little black screen on the right.

The mobile phone screen is divided into 3 layers of holes, the outer glass protection layer, the touch layer in the middle, and the display layer below. If it can be touched and displayed, but the glass is broken, it means that the protective layer of the glass is bad, and the touch layer and display layer are not damaged.

If the screen is not sensitive to touch, it means that the assembly is broken, and the assembly needs to be replaced.

That's because the inner screen is broken.

At present, according to the description of Qinqin, the outer screen and display layer are broken, and there is no problem with the touch layer in the middle for the time being.

You can consider whether you want to replace it, in general, in this case, the new screen can still be used normally.

As long as the touch layer is not broken, the total achievement does not need to be replaced, and if the assembly is to be replaced, it will be more expensive.

But there are some black screens on the inner screen, doesn't it affect.

In general, in this case, the maintenance master will also recommend that the inner screen be replaced.

There is no problem with temporary use, but the inner screen is now a little dark, and it will slowly expand the range after a while.