convert 3g phone into 4g

Tinfo.getsubtype ()) {//If 2g type case TELEPHONYMANAGER.NETWORK_TYPE_GPRS://Unicom 2g TELEPHONYMANAGER.NETWORK_TYPE_CD MA://Telecom 2g Case Telephonymanager.network_type_edge://Mobile 2g Case TelephonyManager.NETWORK_TYPE_1xRTT:case Telephonyma Nager. Network_type_ideN:return networn_2g; If it is a 3g type case TELEPHONYMANAGER.NETWORK_TYPE_EVDO_A://Telecom 3g TelephonyManager.NETWORK_TYPE_UMTS:case Telep

Obtain the current network type (2g, 3g, 4g, wifi), mobile phone model, and version number of Android.Obtain the mobile phone model: android. OS. build. MODEL: android. OS. build. VERSION. the code used to obtain the current network type of the mobile phone is as follows: Th

First, check the phone is not open the 3g/2g/4g Internet business. We usually automatically turn on the 2G network, if the use of 3G/4G network is required. second, I see whether the mobile phone to "move the data" off. 1.

Compared with the 2g/3g, 4G the biggest feature is to provide more than 100Mbps peak rate, since the speed can be seconds off 20M of optical fiber fixed network, it is used for voice calls is a piece of cake? It is a pity that the problem arises here. Since the current LTE network (4G) does not support voice services, so whether it is Td-lte (mobile

Compared with 2g/3g, 4G is the biggest feature is to provide a peak rate of more than 100Mbps, since the speed can be off 20M of fiber-optic fixed network, that used for voice calls is a piece of cake? Unfortunately, this is where the problem arises.Because the current LTE network (4G) does not support voice services, so whether it is Td-lte (mobile

on duty can remotely call for deterrence to prevent damages; Permission settings: You can set different access control permissions for users. You can use the mobile phone and background management system to modify system parameters to improve system operation security; Video storage playback: videos are automatically recorded and saved during operation to facilitate data viewing and analysis; Electronic Map management: on a map, you can mark the loca

Android Network-determine the Network status (Network connection, change, and determine 2G/3G/4G) Currently, most apps need to obtain data from the network. Therefore, it is inevitable to access the network. Before accessing the network, we should first determine the network status. In fact, before accessing the network, we need to make some status judgments and corresponding status judgments for processing

GF's iphone5s port version A1530 Unicom 4G is always unable to connect the problem, the root cause is that there is no 4G switch . The Hong Kong iphone only has a 3G switch. That is, when the 3G is turned on, the 4G signal is found, but only

following diagram:When you click Open Project, open and download the project.3, the lack of official reachabilityLook at the official given monitoring return type as follows:From where we can see the official, supportive situation. Lack of mobile phone network mode integration, can not distinguish between 2g\3g\4g, E and other networks.4. We extend the official

Network_type_ltecurrent Network is lteconstant value:13 (0x0000000d) (4G) public static final int Network_type_ Ehrpdcurrent Network is ehrpdconstant value:14 (0x0000000e) 3G (3G to 4G upgrade product)--------------------------Added in API level---------------------------public static final int Network_type_hspapcurre

News of Mobile 4G is also rumoured to be available by the end of the year (2013), and the number of handsets currently available to use 4G networks is numbered. For 4G than 3G Network 10 times times faster This message, personally think is still not true. First of all, it is true theoretically

After a 3G/4G vro with a built-in SIM card is inserted into the network card, the wireless signals of the vro connected to the mobile phone and computer cannot access the Internet. Please refer to the following methods for troubleshooting:If the vro cannot find the SIM card, the screen will prompt "please insert SIM card". At this time, make sure that t

test proved that Tencent os4g version of the brush machine does not support, has failed), to die to decide to try it 4G version of the 3G version of the ROM, the hardware gap is small, the experiment found that only use CM11 can be used in the 4G version, but this is also the harvest.Need to prepare the tool: A window computer installed a Brush Machine wizard, a

The terminal connects to a 3G/4G router and uses a 3G/4G network to access the Internet.Troubleshoot the problem as follows:A vro can provide multiple terminals to share the internet. When a terminal on the intranet downloads, games, movies, and other large-volume internet access applications, other users may experienc

Requirement: count the number of Wi-Fi/2G/3G/4G traffic Issue: 1. How to Determine 2G/3G/4G The system source code TelephonyManager class provides methods, but only hidden, so you can refer to the source code Ii. How to make statistics The TrafficStats class is provided after Android 2.2 for traffic statistics. For m

The Charm Clan MX5 cracked unicom/Mobile 4g/3g (TD-LTE/TD-SCDMA/FDD-LTE/WCDMA) Prerequisite: To ensure adequate electricity, at least 50%. Use pea pods, application treasure, etc. to back up important information. 1, download MX5 General edition firmware (http://www.flyme.cn/firmware.html) 2, after downloading, the handset and the computer through the data line connection. Hint: The screenshot b

650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M00/26/F9/wKioL1NwU_iTjnfKAAFDBMM_zrk185.jpg "title=" 4g.jpg "alt=" Wkiol1nwu_itjnfkaafdbmm_zrk185.jpg "/> Believe in playing mobile friends Friends know, the major mobile phone manufacturers, are launching 4G mobile phones, 4G Network has become a major feature of their mobile phones,

Here to Le 2 mobile phone as an example, different mobile phone problems may not be the same, for reference only. Problem phenomenon: Mobile phone use two card, card 1 and card 2, data flow Select card 1 when there is no problem, card 1 and card 2 can call the normal. Data Flow Selection Card 2, card 2 online normal, but can not call to answer the

part of the smartphone. Figure 12.4 is a system architecture diagram of the BP part of a smartphone that is used in 4G LTE networks and produced by the UK 4M Wireless Ltd. But this BP part of the system architecture, and 3G mobile phone BP part, structurally similar.Although structurally similar, but corresponding to different mobile networks, such as WCDMA and

First, to turn off the 4G flow we need to go into the 360 cool mobile phone youth version of the "Settings" in the "Dual SIM and network" settings, as shown in the following figure. Second, after opening the dual SIM interface, we click on the "currently used network" setting in the list interface, and then click the Preferred network type, as shown in the following image: After that, the