Abstract: Disclosed is a method for access authentication. The method includes: receiving profile information of a visitor through a server, and generating a visitor code and transmitting the same to a visitor terminal, and generating a random code based on a valid visitor code, and receiving a decoding result based on decoding the random code and the visitor code by the visit terminal, and predetermining an access authority for the visitor for a predetermined time as the decoding result is successfully matched.

Abstract: Disclosed is a double-path switching TX power detection circuit. A first detection module is separately connected to a power supply, a first radio frequency connector, and a second radio frequency connector; a second detection unit is connected to the second radio frequency connector; the first detection module and the second detection module control a current path of the power supply according to access states of the first radio frequency connector and the second radio frequency connector, respectively; the first detection module outputs a corresponding detection level signal, to determine whether a switching TX power function is enabled or disabled.

Abstract: An environment information storage and playback method, a storage and playback system, and a storage and playback terminal are disclosed. The storage and playback method may include: acquiring current position data and time data (S101); collecting current environment data (S102); establishing a first association between the environment data and the position data, and establishing a second association between the environment data and the time data (S103); storing the position data, the time data, the environment data, the first association, and the second association (S104). The present storage and playback method could store the current environment data based on position and time.

Abstract: A reconfigurable antenna device suitable for a three-segment metal back cover is provided. The antenna device may include an antenna radiation body, a first matching module, a second matching module, a switch module and a feeding end. The antenna radiation body cab be parallel to and above a first metal body and a second metal body of the metal back cover. The antenna radiation body can be grounded after being connected to the first matching module. The antenna radiation body is further connected to the second matching module, and the second matching module is connected to the feeding end and a switch module, respectively. A multi-band reconfigurable antenna can be achieved by adjusting the position of the switch module.

Abstract: A charging system, a charging method, and a mobile terminal based on dual batteries are provided. The charging system based on dual batteries includes a main board and a backup battery; the main board has a main charging chip and a main battery arranged thereon; the backup battery has a secondary charging chip and a secondary battery arranged thereon. The main board further includes a USB connector configured to connect to a charger, and a switch configured to switch to a corresponding charging path based on an inserting state of the backup battery. When the backup battery is inserted, the main charging chip is controlled to charge the main battery, and the secondary charging chip is controlled to charge the secondary battery simultaneously. When the backup battery is pulled out, the main charging chip is controlled to charge the main battery.

Abstract: The present disclosure may provide a method for loading a driver during a terminal starting up and a terminal device. The terminal includes at least one component having a driver to be loaded during starting up. The method includes: receiving a startup instruction; reading a component list; determining whether the component list comprises a driver related to a component; and if the component list includes the driver related to the component, loading the related driver. By such means, the present disclosure increases a startup speed and improves user experience.

Abstract: Disclosed is a double-path switching TX power detection circuit. A first detection module is separately connected to a power supply, a first radio frequency connector, and a second radio frequency connector; a second detection unit is connected to the second radio frequency connector; the first detection module and the second detection module control a current path of the power supply according to access states of the first radio frequency connector and the second radio frequency connector, respectively; the first detection module outputs a corresponding detection level signal, to determine whether a switching TX power function is enabled or disabled.

Abstract: An antenna of a mobile terminal includes: a frame including four broken slots dividing the frame into a bottom frame, a top frame, a left frame, and a right frame; a two-input/two-output switch; a bottom antenna disposed in the bottom frame; a top antenna disposed in the top frame; a first high-frequency antenna disposed in the right frame; a second high-frequency antenna disposed in the left frame; a first selection switch disposed in a left side of the bottom frame; and a second selection switch disposed in a right side of the bottom frame; wherein the bottom antenna, the top antenna, the first high-frequency antenna, and the second high-frequency antenna are connected to the two-input/two-output switch. A switching method of the antenna of the mobile terminal and the mobile terminal are also provided.

Abstract: A method and system for dynamically displaying icons on a mobile terminal. The method comprises: A: acquiring a spatial position status of a current mobile terminal, and obtaining, according to the spatial position status, the included angle between the mobile terminal and the horizontal plane; B: acquiring a spatial position status of a display interface of the current mobile terminal, and obtaining, according to the spatial position status of the display interface, the included angle between the display interface and the horizontal plane; and C: controlling, according to the included angle between the mobile terminal and the horizontal plane and the included angle between the display interface and the horizontal plane, the angle of inclination of icons in the display interface with respect to the display interface to be the same as the included angle between the mobile terminal and the horizontal plane.

Abstract: Disclosed in the present invention are a method for controlling a VOLTE function based on a mobile terminal, and the mobile terminal. The method comprises: detecting a working state of a VOLTE function; if the VOLTE function is in a disabled state, further obtaining a signal strength of an LTE network where a mobile terminal is located; if the signal strength is greater than or equal to a first strength threshold, continuing to obtain a data traffic of the mobile terminal within a first preset time interval; and if the data traffic is smaller than a first preset traffic value, enabling the VOLTE function. In the way, in the present invention, a VOLTE function can be automatically enabled according to a current use state of a mobile terminal, thereby bringing use convenience to a user.

Abstract: Disclosed are a method and system for interaction between an AP and a Modem. The method comprises: when an AP end sends a message to a Modem end, acquiring a service type corresponding to the message; searching, according to the service type, in pre-set multiple RILD threads for an RILD thread corresponding thereto; and sending the message to the Modem end through the RILD thread.

Abstract: The invention discloses a data processing method and an intelligent terminal based on an OFDM system. The method comprises: a communication base station inserting equally spaced frequency domain reference signals to frequency domain data; obtaining frequency domain signals by equivalently transforming the frequency domain data being inserted with the frequency domain reference signals, wherein the frequency domain signals comprise the frequency domain reference signals superimposed with the frequency domain data; obtaining time domain signals by performing IFFT on the frequency domain signals, wherein the time domain signals comprise time domain reference signals superimposed with the time domain data; and transmitting the time domain signals to the intelligent terminal.

Abstract: A mute control circuit used upon power-on or power-off comprises a charge/discharge module, a first switch module and a second switch module. Upon power-on or power-off, charging or discharging is performed between the charge/discharge module and a power supply end. Upon charging or discharging, the charge/discharge module outputs a first level to the first switch module to control turning on of the same, and the first switch module outputs a second level to the second switch module to control turning on of the second switch module, such that the second switch module outputs a high level to a mute circuit to activate operation of the mute circuit. Also provided are a control method and an audio device.

Abstract: A mobile terminal, an on-the-go (OTG) control and configuration method, and a storage medium, wherein the method includes: obtaining an accumulated number of changes of differences in voltages of at least one of a positive data line and a negative data line in an OTG data cable at intervals; according to the accumulated number of changes of the differences in the voltages of at least one of the positive data line and the negative data line in the OTG cable, querying a lookup table pre-stored in the mobile terminal for a current value corresponding to the number of changes; and according to the queried current value, controlling the mobile terminal to set the current value as a current limit for an OTG peripheral device.

Abstract: The present disclosure provides a battery-fixing device and an electronic device, and the battery-fixing device is arranged in the electronic device and includes: a casing battery chamber, and a container fixedly arranged in the casing battery chamber and matched with the casing battery chamber to wrap and fix the battery. The container includes a containing chamber formed by a surround of a film and configured to contain a battery, and fixing films arranged on the containing chamber and connected to the containing chamber to fix the top of the containing chamber. Therefore, the battery-fixing device of the present disclosure uses the four-side wrapping PET film to fix the battery, thus the fixation thereof is more stable, the battery is easy to be detached, and not easy to be deformed or damaged, and it is safe and reliable.

Abstract: A method for unlocking a SIM card comprises: reading an international mobile subscriber identity (IMSI) of a SIM card and detecting whether a SIM card of the current mobile terminal is a SIM card of a preset specification; if no, detecting whether IMSI lock information exists; if the IMSI lock information does not exist, activating an IMSI lock function and generating a corresponding unlock code PCK according to an international mobile equipment identification (IMEI) and the IMSI of the SIM card; and when the SIM card is locked, controlling, according to the unlock code PCK, the mobile terminal to normally access a network for use.

Abstract: A double-antenna radio frequency power detection circuit comprises a radio frequency transceiver, a switching module, a first power detection module, a second power detection module, a first antenna, and a second antenna. The switching module outputs a radio frequency signal received from the radio frequency transceiver, to the first power detection module or the second power detection module according to a switching signal. The first power detection module or the second power detection module respectively detects the transmit power of the radio frequency signal passing through the first antenna or the second antenna, and gives a feedback to the radio frequency transceiver.

Abstract: Disclosed are an emergency call-for-help method and system based on fingerprint identification for a mobile terminal, and a mobile terminal. When a user is in an emergency, a mobile terminal sends an emergency short message including positional information to emergency contacts, and automatically calls the numbers of all the emergency contacts, so as to rapidly send a call-for-help signal to the outside world, thereby guaranteeing the user's safety, reducing safety risks and being convenient for the user.

Abstract: An SMS-based VoWIFI configuration method comprises: when an SMS of a VoWIFI type is received, extracting a configuration identifier carried by the SMS, and determining the type of the configuration identifier; and when the configuration identifier is an enable identifier, extracting EPDG information carried by the SMS, and registering an IMS service according to the EPDG information, so as to enable a VoWIFI function.

Abstract: The present disclosure provides an antenna system for optimizing isolation and a mobile terminal. The system defines clearance slots in an electromagnetic conductor and between antenna feed points for optimizing isolation between antenna units, and comprises clearance areas disposed on both sides of the electromagnetic conductor having the clearance slots of the circuit board for arranging the antenna feed points. Through the present disclosure, it is possible to increase isolation between the diversity antenna and other antenna in a limited space, avoid the coupling effect between the antennas, and alleviate the problem present in traditional multiple-input multiple-output antennas limited by the size of the terminal device.