Some basic knowledge about mobile phones

1. Brush machine: refers to changing or replacing some original languages, pictures, ringtones, software or operating systems of mobile phones through certain methods. Generally speaking, brushing the machine is to reinstall the system for the mobile phone. Brush machine can make the function of mobile phone more perfect and restore the mobile phone to its original state. Under normal circumstances, the Android mobile phone system is damaged, resulting in functional failure or failure to boot, which is generally solved by brushing the machine. Generally, Andriod mobile phone brushes are divided into line brushes, card brushes, soft brushes and factory brushes.

2. Prison Break: iOS? IOS jailbreak is a technical means to obtain the highest authority of Apple's portable device operating system IOS. With this technology and software, users can get the highest authority of iOS, and may even further unlock the restrictions of operators on mobile phone networks.

3.ROM is short for read-only memory, which is a solid-state semiconductor memory and can only read pre-stored data. Its characteristic is that once the data is stored, it cannot be changed or deleted.

4.W-CDMA: Wideband Code Division Multiple Access (W-CDMA) is a 3G cellular network, and some protocols used are similar to those of 2G? GSM standards are consistent. Specifically, W-CDMA is a method that uses code division multiple access multiplexing (or CDMA? Universal multiplexing technology, non-CDMA standard) broadband spread spectrum 3G mobile communication air interface method.

5. Snapdragon: Qualcomm Snapdragon is a product of Qualcomm Science and Technology Company. Snapdragon mobile platform, processor, modem and chipset adopt brand-new artificial intelligence (AI) and immersive experience architecture, and strive to meet the intelligence, energy efficiency and connectivity required by the next generation of mobile computing. Snapdragon can bring speed, endurance, smarter computing, image effects, experience and more comprehensive security protection, and meet the needs of smart phones, tablet computers, AR/VR terminals and notebook computers.

6. MediaTek: MediaTek. Inc, Taiwan Province Province, China, is a world-renowned integrated circuit design company, focusing on wireless communication and digital multimedia. Its chip integrated system solutions include wireless communication, high-definition digital TV, optical storage, DVD and Blu-ray and other related products.