"Apple was repaired using submerged and damaged logic board," repair engineer pointed out

From the image that the Apple device is special, there are many people that "If you asked Apple regular repair service rather than a general repair shop, it would be better to repair it." To overturn such an image, I am dedicated to repairing the iPhone and iPad with a true story that "I used a board that was submerged when I got a device that should have become new using out-of-warranty product exchange service"iPad RehabJessa Jones of YouTube has released it on YouTube.

Apple uses water damaged boards in Apple refurbished devices - YouTube


When Apple receives a repaired device, the user should think that the state of the device has been restored completely, but in fact, Apple's repair is not necessarily perfect. To show that, Jessa brought out a microscope, "Let's first take a look at the normal iPad mini."


Looking at the logic board, it is installed with the PMIC chip in the case.


Try removing the case like this.


As you approach and look at it, you can see that the substrate is coated with an underfill like tar (resin to coat the substrate), and the component is firmly fixed to the substrate. It is quite firmly bonded, so stability is high, so it is difficult for ordinary people to peel off chips from the board.


Then Jessa got what iPad mini has been sent "I want you to repair". It seems that this iPad mini has been dropped by the owner's child and has stopped moving at all. When Jessa received it, the screen of iPad mini was firmly bonded with the main body, and it was not seen that a third party other than Apple disassembled the main body was not seen.


When removing the screen, it seems that a cross-made tape for dustproofing was stuck on the inside of the screen. From this, Jessa explains that the screen is Apple's genuine.


When Jessa asked the person who requested the repair how far it was, the client replied in the past that the product was exempted from the warranty by Apple. From the word "exchange" it seems that the product comes back in a brand new state, but it seems that it is not actually the case.


So I will look at the iPad mini with a microscope. Although it seems that the board bracket was cut to make it easy to see, the rest is the state at the time of almost requesting repair.


Looking at the PMIC chip ......


The underfill of the substrate is removed and the surface of the substrate under it is visible. Apparently, the underfill was removed and it became weak against the shock, when it dropped it seems that the part got out and it stopped moving.


In addition, the underfill which can not be completely removed remains in the gap between the components.


Jessa thinks that this board removed the broken PMIC chip and replaced the new one. Jessa says that this work is "reasonable."


However, the capacitor had a trace of damage caused by submergence, and it is thought that the board had already been damaged by submergence at the stage before bringing it to repair by Jessa. Judging from the situation, Jessa saw that when Apple made a "product exchange" earlier, Jessa had exchanged PMICs that played an important function out of the submerged board, "If I do damage We will not sell the substrate we received to someone as a new product. "


Also, because of too much heat being added during repair, or some traces of circuit short circuit due to submergence can be seen. It seems that this time it is the second time that Jessa sees a terminal in such a state


Jessa created this movie to show that "There are parts that Apple is overconfused by fans." Even though I thought that "It would be fine if Apple was an authorized repair", even if I received a brand new device, I used the submerged board as it is, so it is easy to make another trouble by improper repair Also caused by. Jessa said, Apple products are certainly better, but they are not far better than personal repairmen, who are not legitimate.