Engineering model test

The rapid development of engineering model, option, password management

When it comes to engineering, a lot of non tech players have a headache. Cellphone project model to give the impression that the stiff black and white screen, full screen English and the command code, windows like back in the DOS system, although out of curiosity, but again afraid phone brick.

In fact, the Android system has a wide open engineering test mode for most players, although the model can not really appreciate the full function of the engineering model, but some of the basic functions or have, in particular, practical battery testing, network testing, etc.. In addition, in the engineering mode, the player can also be a corresponding operation of the SIM information, the following is a demonstration of how to enter this mysterious project mode. In fact, the Android operating system engineering test mode to enter the method is very simple, the vast majority of mobile phone just call up the dial keys, and then enter the *#*#4636#*#*. After entering the project mode, there are mobile phone information, battery information, the use of statistical data, Information Wifi four options in the menu.

Of course, the different versions of the ROM may have some differences in expression. 1: in the mobile phone information, players can view their own mobile phones, including IMEI, network operators, roaming, signal strength, and whether roaming and other basic information. In addition, after pressing the option key, we can also use more features, players can customize the radio band, you can view the SIM card address book, fixed dialing, service dialing and other information, you can also get PDP list (Note 1). The very useful feature in this page is to lock 2G, lock 3G, or set to 2, 3G free handover, and even in a special time can be adjusted for non flight mode of the non signal state, such as CDMA mobile phone to select the only GSM option to become no signal, the average person is not easy to detect, thinking that the mobile phone is bad. 2: we can also view the phone's battery information, click on the second entry, you can see the current use of the battery, including battery level, battery status, temperature, battery material, voltage, etc.. 3: players can also enter the use of Statistics menu to view the use of each program, where you can query the use of time, sorting, etc., so that players can clearly understand the guidance of their own in which the maximum time spent. 4: the vast majority of mobile phones can also see information WiFi can see a lot of you do not see the normal wifi.