samsung s4 no network connection

The first step, turn on the handset USB debugging 1. Samsung S4 mobile phone with the Android OS 4.2 system, we click on the "Application" inside. 2. Furthermore, we click on the "Settings" menu to enter. 3. Then we click on the "General" button below. 4. Then we click on the inside "about the device" entry, as shown in the following figure. 5. Here we click on the "build

If you manually set up a network connection error, your phone will not be able to register to the normal network services. To correct this, select the "Please select Automatically" option in the "Available networks" Settings area, follow these steps:Figure 1:1. Under the Standby page, click "Application". 2. Click "Set". 3. Click "More Network

Step 1. Download and install Kies software Samsung Kies is an important mobile phone synchronization software, it is easy to operate, easy to use, for the use of Samsung device users with a variety of features, if you want to connect through the Wi-Fi kies software, follow these steps:1. Please Click here to download and install Kies sync software. 2. After opening the Kies software, if prompted to upd

1. In Samsung S4 standby click on the "Apps" button, open into the details as shown in the following figure. 2. Then find "Settings" under the Open Interface. 3. Click "Connect" to open, you will see there is a "SIM card Manager" and then we click on it to open into. 4. Click on the "Data Services Network" and then you will see the foll

EncryptionMode: Settings-security-Encrypt external SD card-click "Close" in the lower left corner-enter password-click "Apply". Wait for the decryption to be possible.After decrypting the device or external SD card, you can change the lock screen mode. Action: Settings-lock screen-screen lock-click to enter the lock screen password--Select other lock screen mode such as "sliding unlock" can be.Samsung Digital Services Platform [Http://support.samsung.com.cn/ask][Http://blog.csdn.net/pipisorry]3

installed, Google search is called. On the contrary, duniang serves you. 17. How to use the remote control function: S4 comes with an infrared transmitter, which is not used by many people. Such a good function is a waste of S4. Two methods of use: Bring your own software: watchon, select your TV brand, you can achieve it through smart code; third-party software: currently tested, the best software is "Rem

First start the Odin Brush Machine tool, and then put the normal use of the brushless mode of the state of the Samsung Galaxy S4 mobile phone and computer connection, then Odin Brush Machine tool will recognize the COM interface, immediately unplug the USB cable. Then restart the phone, at the same time long by the volume of the key, the home key and the power bu

Without any action, there's no signal. : When your phone is running too long, there may be no signal. Restarting the phone may solve the problem, as follows:Long press "Power" key, choose "Restart Mobile phone" can. is the SIM card slot properly inserted? : If you do not insert the SIM card correctly, the phone will appear without signal. Samsung mobile phone gt-i9502 use Micro SIM card, Micro SIM card is smaller than the standard SIM

Samsung Note3 mobile Phone How to open the wlan/connection? WLAN network is the use of mobile phones to connect to the public or corporate home network for the Internet, the network is very cheap, let's look at the Galaxy Note3 series of mobile phone to open the wlan/

Samsung mobile phone G9208 Support 4G network, if you want to use the mobile phone to turn off the 4G network, use the 2G/3G network, please follow these steps:1. To turn off the 4g network we first enter the mobile "app".2. Below a "Set" icon, click it to open into the sett

1. Find "Application" in Samsung NOTE4 main screen interface. 2. Click "Set" and then open the following image as shown. 3. There will be a "more network" option in the Setup, we click Open to enter. 4. Now in the network you will see a "mobile network" option, we click on it to open.

technology is said to have adopted the millimeter-wave bands technology that operates in high frequency bands, solving the impact of atmospheric attenuation on long-distance data transmission. Samsung said they successfully designed a work und using 64 antenna groups to transmit 2000 gigabytes of data per second in the 28 GHz band within 1.056 meters. Network Congestion Everything is so beautiful, but befo

data line with the computer USB interface. 2. Then we open the 91 assistant on the phone, as shown in the following figure shows that the sm-g9006v connection will show the phone model. Tip: If 91 assistants are in the following position for a long time, it is recommended to click "Refresh Device List" below. To sum up, many sites have Samsung

Android app. Samsung i9000 series tutorial (2). Engineering Code, network lock and Lock three keys Papaya 20110401 I. Engineering Code The project code provided by i9000 is very useful, as follows.(The content is organized on the network. The original author is unknown) Dial Input * #0 * # mobile phone test (recommended purchase test)Line 1 red green blue (primar

1. Click the set option on the standby interface of the T550 tablet. The following details are displayed.2. You will see a WLAN option on the left of the tablet. Click it.3. Then, on the right side of the wlan, we just need to turn off the slider on the right side, and Display [open] to indicate that the following is turned on, and we want to turn on the display green to indicate that the following is turned on.4. Click the WLAN network you want to co

SL-C480FW supports WLAN direct connection printing function, in the mobile phone to enable WLAN direct connection and printer connection, the machine can receive the phone print signal, to achieve wireless printing, the specific operation method is as follows:1. Connect the mobile phone to the printer directly through WLAN1. Here we use

1, the operation is very simple in the Samsung Galaxy J5 click "Application".2. Then opened the phone's application interface There are many applications, we click on the following "set" option.3. Then go to the set we move to find "mobile network".4. In the mobile network management interface, we click "Network Mode S

1. Open the 4G network is very simple in fact, we just in the mobile phone "application" can be deleted.2. Then we click "Set" in the Open interface.3. The following "more networks" are entered, as shown in the following figure.4. Click on "Mobile network".5. In the above figure we click into the "network mode" entry, details below.6. Furthermore, we click on "3g

Step 1. Turn on wireless 1. Before the WLAN network we have to open the WLAN connection function, we click on the mobile status bar down, and then we will open the notification bar, where we put the WLAN click Green is opened, the specific operation such as. 1. We return to the mobile desktop after the use of the next status bar.2. Then open the status bar with a "WLAN" as shown in the following figure.3.

Samsung Galaxy Note 8.0 N5100 adopts the Android 4.1.2 operating system and is equipped with a quad-core 1.6 GHz processor and 2 gb ram to further improve processing speed. It is equipped with a 8 inch wxga hd screen with a resolution of 1280x800, the rear camera is 5 million pixels and the front camera is 1.3 million pixels, which gives you a better entertainment experience.This tablet supports GSM and WCDMA networks. You can use a Unicom card or mob