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How to repair the blue screen of cool mobile phone?
Maybe the current system of your mobile phone is unstable. Generally, the possibility of hardware problems in the mobile phone itself is very low. The system of the mobile phone can be refreshed and repaired. If it still doesn't work, it is estimated that it will have to be sent to the after-sales treatment. If it is really a hardware problem, they will fix it for you.

Coolpad mobile phone was founded by Yulong Computer Communication Technology (Shenzhen) Co., Ltd. (hereinafter referred to as "Yulong Communication") in April 1993. It is a wholly-owned subsidiary of China Wireless Technology Co., Ltd. (listed on the main board of Hongkong, stock code 2369). China is a professional provider of integrated solutions for smart phone terminals, mobile data platform systems and value-added services, focusing on integrated wireless data solutions with smart phones as the core.

Yulong Communication focuses on the mid-to-high-end areas of CDMA mobile phones, with "handwriting intelligence" as its main product line and dual standby as its flagship product, and has successively launched leading products such as China's first CDMA 1X smart phone Cool 688, the world's first smart dual-card mobile phone Cool 828, the world's first smart dual-mode mobile phone Cool 858, and the world's first dual-mode dual standby Cool 728. In 2006, Yulong Communication further built a more perfect product line, and successively launched products suitable for different groups of people, forming a series of product lines such as 2, 5, 7 and 8, forming the most powerful dual-standby product line, becoming the originator and leader of dual-standby, developing into the backbone of the smart phone market and establishing the image of "handwriting family". In 2006, the company launched CDMA 1X wireless network card to further improve the wireless data terminal product line.

At the same time, Yulong Communication adopts self-developed mobile phone operating system for secondary development, and is committed to providing the most perfect information terminal mobile solution for users in core and high-quality industries. The wireless intelligent terminal products and solutions provided have been widely used in more than 20 industries in China, including industry and commerce, public security, securities, traffic police, aviation, meteorology, logistics, government mobile office and so on. After more than ten years of development, Yulong Communication has a strong R&D strength in the field of wireless communication, and has more than 100 national technology patents. Many technologies have broken the monopoly of foreign companies, and the leading operating system with independent intellectual property rights has also been shortlisted for the national electronic development fund support project. In the research and development of 3G mobile phones, Yulong Communication has been at the forefront of the industry.

Yulong Communication is a national key software enterprise and a high-tech enterprise recognized by Shenzhen Municipal Government, with the first-class qualification of computer information system integration. It has successively won the titles of outstanding private enterprises in China, top 500 high-tech enterprises in the Asia-Pacific region, top 50 high-tech enterprises in China and China Outstanding Marketing Award.

The company is headquartered in Tianan Digital City, Shenzhen High-tech Industrial Park, with more than 65,438+0,200 employees. Seven sales regions have been established in China, with branches in more than 50 key cities and business outlets all over the country. The company has established customer service centers all over the country (including remote areas such as Tibet and Qinghai) and has more than 300 special maintenance outlets. By establishing a perfect service network, we can provide quality services to our customers.

Yulong communication takes the concept of "concentration, professionalism and experts" and constantly surpasses it. With excellent technical innovation ability, quality management ability and system control ability, we strive to realize the dreams of customers, enterprises and employees, and become a smart phone leader in China and an application expert in wireless data industry.

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