(1) shutdown;

(2) Press and hold the volume+key for a long time (H30 is the volume-), then press the power button to start the machine, and then release the volume button after entering the recovery mode;

(3) Press the volume button to select "Clear screen lock password" and press the power button to confirm;

(4) Press the volume button to select "Restart the system immediately", and then press the power button to confirm restarting the machine;

(5) After restarting the machine, draw any pattern on the pattern interface to enter the main interface.

Kuaiyidian is a brand founded in 2002 by Shenzhen Kuaiyidian Education Technology Co., Ltd., which is a high-tech enterprise integrating R&D, production and sales. Its main products are intelligent tutoring machines, electronic schoolbags, students' computers, early education computers, point-reading pens, electronic dictionaries and other electronic education high-tech products. Kuaiyidian has been successively rated as "National High-tech Enterprise", "National Integrity Demonstration Enterprise", "Guangdong Famous Brand", "Guangdong Famous Brand Product" and "Shenzhen Key Cultural Enterprise".

Kuaiyidian R&D Center consists of five departments, covering software design, hardware design, structural design, industrial design, testing, data and other functions, and has an R&D elite team of nearly 200 people. He has accumulated rich experience in technology development. The system hardware has mastered the most popular CPU kernel architecture: ARM and MIPS, and the system software has mastered the most advanced operating systems: Linux and Android. Since its establishment, the company has successively established R&D platforms for e-learning products such as Toshiba, Sitronix, Epson, Freescale, Anyka, Ingenic, Allwinner and Rockchip, and independently developed core software such as operating system, graphical user interface, file system, data decompression, multimedia codec, FLASH player engine and automatic test system. Up to now, nearly 100 national patents have been applied, among which many technologies have won the first place in China or the world. In order to further consolidate the position of the company's R&D level in the whole industry and improve R&D efficiency and product quality, the company successfully passed the CMMI L3 certification in June 5438+February 2008, and introduced the ISMS information security management system. Provide institutional guarantee for R&D management.

After 12 years of development, Kuaiyidian has established an efficient and scientific organizational structure and created an efficient, high-quality and passionate talent team. At present, the company has 500 employees, of whom more than 60% have a bachelor's degree. Since 2005, the company has implemented the special training project of "Afforestation Project", recruiting a certain number of fresh graduates for training every year, so as to reserve talents and cultivate backbones for the company's sustainable development. At present, the average working time of employees above the manager level has exceeded 7 years, and the company's talent echelon is becoming more and more perfect. At the same time, in order to speed up the development of the company and improve the professional quality of the team, in R&D, marketing, supply chain and other departments, a group of high-level talents with high ability, experience and wisdom in related fields were invited to join the company, or to advise the company as consultants, so as to effectively integrate new and old teams, rapidly and continuously improve the professional quality of middle and high-level teams and maintain the talent motivation of the company's sustainable development.