The mobile phone supports the networks of three operators including Mobile, China Unicom and Telecom, and can make calls and surf the Internet.
Dual-card dual-standby mobile phones can insert two mobile phone cards, and can stand by at the same time. The current trend is moving towards multi-mode (that is, supporting multiple network providers), dual standby (that is, using two cards at the same time), and dual-pass (that is, two cards that are standby at the same time).
The running memory refers to the memory when the mobile phone runs a program, also called RAM (referred to as operational storage). When comparing with a computer, the operating memory of the mobile phone is the computer's memory, which cannot be used as a medium for storing data.
Storage memory refers to the data storage space of a mobile phone, also called ROM. Can be compared to a computer's hard disk , which is characterized by greater scalability. Generally speaking, 16G iphone6, 16G is its storage memory.
A technology that emerged due to the release of the iPhone 5S, can be unlocked through fingerprints, and applications can be opened.
Short-range wireless communication technology. Generally, a NFC module is built in the back of a mobile phone, and data is transmitted back-to-back with another NFC-enabled mobile phone. Now it is used in bus card payment, UnionPay payment and other fields.
Through the OTG connection cable, the mobile phone can be connected to peripherals such as a mouse and keyboard , or directly read the contents of a USB flash drive or a mobile hard disk . In the process, there is no need for computer assistance and no driver installation.
The biggest function of the three-axis gyroscope is to measure the angular velocity to determine the movement state of the object, so it is also called a motion sensor. It is widely used in motion sensing games and can also assist GPS positioning.
The electronic compass of the mobile phone is a hardware module mounted on the motherboard , which displays the direction and elevation angle according to the location of the mobile phone. When the character is at a standstill, it can assist GPS to recognize the position.
Three defense function
The definition of a three-proof mobile phone is very simple. It is a mobile phone with slight dustproof, shockproof, and waterproof functions, so it has always been loved by young users who love outdoor sports. Sony mobile phones have always focused on this.
Basic communication chip of mobile phone , digital mobile phone must be installed with this card before use. Micro SIM card: commonly known as medium card, SIM card used in iPhone 4 / 4S. Nano SIM card: commonly known as small card, SIM card used in iPhone 5 / 5S.