<br> <br> cause of the incident is reported, a large Coke 3 on December 9 last year by Jingdong crowdfunding platform line, the final purchaser support around 1 million people, the biggest selling point is the use of sapphire screen, and declared that "once crowdfunding, Free replacement for life every year." However, some users later said that the screen of the big cola 3 would be inexplicably cracked. Cracks would appear in the Home button or the handset position, and then the crack would extend to the entire screen, causing the screen to completely fail. It was damaged by the manufacturer after the sale. As a result, an additional maintenance fee is required. At present, consumers have established QQ rights protection groups, and members have reached 100 yuan. Many people claim that mobile phones are naturally cracked without external force.
On the Coca-Cola official website, the screen description for the Coca-Cola 3 is made of sapphire material, 9-level Mohs hardness, just below diamond, which is the hardest mobile phone screen in the world. According to the official of the Coca-Cola, the results of the appraisal are drawn by the technicians. If the result of the appraisal is caused by human factors, it must be paid for repairs.
Analysis <br> <br> split screen users based on the analysis, a large Coke 3 split-screen work is due to problems in the handset and the Home key to position the work is not flat, easily lead to uneven force cracking the screen, the other big Coke 3 The screen itself may have congenital small cracks, which will expand at any time. Whether there are congenital cracks needs to be tested under strong light, and thermal expansion and contraction will also lead to congenital crack growth.
According to the official statement, the screen belongs to split screen and broken screen, which is definitely caused by human factors, and the identification results issued by the manufacturer's technicians also support this statement.
So whether it is man-made or screen quality, there is a problem. The official and user of the Coca-Cola have a different word, and it is difficult to judge. The biggest possibility is that the two coexist, the screen or the body design itself has problems, the process is easy to crack, and the manufacturer believes that it is a human reason but ignores the problem of the quality of the mobile phone. The sapphire screen that is easy to crack is no longer a gimmick. , but a joke.
Compare <br> <br> sapphire screen phone screen mobile phone manufacturers has been the focus of attention, with the popularity of large-screen phone, when broken screen problems have appeared, the phone screen material is also ongoing, with a high hardness of sapphire The screen is also considered the best screen after the gorilla glass. However, sapphire screens also have problems of high cost, insufficient toughness, and low light transmittance.
Apple has been interested in using sapphire screens on the iPhone, and wants to buy sapphire suppliers for this purpose, but in the end iPhone 6 still does not use sapphire screens, only sapphire material is used in local positions such as camera and Home button. The latest Apple Watch is the first to use the sapphire screen on stainless steel and gold. The third-party test results also show the Apple Watch's superior scratch resistance, but the Apple Watch screen is relatively smaller and will be used more. Safer.
The mobile phone using sapphire screen in China is not only the Coca-Cola. Huawei P7 has launched a limited edition version of the sapphire screen, but the price is as high as 4,688 yuan. The vivo also has a limited edition of sapphire. The price is 2,998 yuan. These products are not large-scale. Production version, and the price is relatively high.
The root cause of the Coca-Cola 3 split screen is still the screen itself. Due to cost pressure, whether the 1499 yuan will guarantee the quality of the mobile phone can cause people to express concern. The emergence of the split screen problem has once again printed the problem of the quality of this mobile phone. .
From the perspective of technical application, the popularity of sapphire mobile phone screens still needs to overcome many problems. It is inevitable that Coca-Cola 3 will be a problem in the first application of the product, but it is not extremely difficult to blame it on human factors and not to find the answer from the root cause. Responsible.
Regardless of whether the cracking screen is human or not, the problems of the screen quality control of the big cola 3 are exposed. The manufacturer’s attitude of pushing is also very dissatisfied to the consumers, and the required maintenance costs account for the price of the whole machine. One-third is chilling, and the free replacement that was previously claimed is nothing more than nothing. Domestic mobile phones should be down-to-earth on the road of development. The sapphire plus iPhone shape gives people the feeling of being a cottage. The quality issues that need to be paid attention to are not taken seriously. In this incident, not only the hardest sapphire cracked, but also the crack in the trust of consumers for manufacturers.

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