About instructions for testing Android phones

*#* #4636 #*#*: This command is used to test most Android phones now, the cottage phone does not have this feature.

When you enter this string on the phone keypad, four options appear: Cell phone information, battery information, usage statistics, WLAN information. The following is a description of mobile phone information (may need to be set):

* Mobile Information

Here you can see the Imei,sim number, operator.

There is a ping option below, test the mobile network connectivity, if your phone opened the data connection, you can see the ping host is Pass,http client pass, where the ping IP address may not show success, but the phone can still surf the internet, Guess that the IP address is the phone's built-in test parameters, the IP address corresponding to the host has been inaccessible.

Then the following user can operate is the choice of network type, the next two parameters is very important, if the phone can not send text messages, it is possible to set a problem here, the default option is to open the IMS registration enabled to send SMS through the IMS feature is actually closed, not enabled, This is the phone to accept MMS when set open enabled, we do not have to worry about, when the need to receive, the system will automatically open, after completion of automatic shutdown. But if we turn it on manually, the phone will be in the receiving MMS mode, causing the SMS to fail. LTE RAM is the recording of mobile phone CPU and digital baseband communication module, mainly to the mobile phone test engineering personnel, do not open.

SMSC: Short Message Information Center, is to set the previous phone's short message Information Center number, where the box is blank, click on the refresh to see the current information Center number, if you need to manually change the input after clicking on the update, note that the box does not have anything to click on the update, this will make the center number is empty, Also causes problems in sending and receiving text messages. To change back need to know the short Message center number, you can view the other phone with the carrier, or directly call to the operator.

Switch DNS check: 0.0.0.0 not allwed, as the name implies is whether to allow the use of third-party DNS (0.0.0.0 indicates that the local routing table does not arrive on a specific path). It is not allowed by default.

This article is from the "realistic Ideal" blog, please be sure to keep this source http://878342118.blog.51cto.com/8763568/1426758