Many smartphone functions select via the Settings menu. Sometimes it’s done quickly via the GSM code. Here you will find the most important shortcuts for Android.
Phone app on your Android smartphones can call over your contacts. With some cryptic character and number combinations, so-called GSM or USSD codes, view your “android” in the innards. The star-hash code, enter in the telephone application and a prompt an action is taken, sometimes even before it requires the activation of the handset symbol. As a result, the code entry allows you to set or view your own phone number call forwarding. Also hidden service menus, which gets otherwise be seen only the customer service call so on. Whether the codes work, however, is from the wireless service provider and the device manufacturer dependent, not every company makes the shortcut to.
Warning: Most of these functions and menus are not intended for the user, but for the mobile operator or service technician. For this reason, only a few codes are publicly documented. With some GSM codes can even call menu, the risky functions (such as firmware upgrades) included.
Phone numbers and personal metrics
Often you need to enter individual sequences of numbers, such as phone numbers or personal codes. If in the overview, for example, [number] is, type in the phone number – without the square brackets.
Are the codes suitable for any mobile phone?
Few Android code will work on all devices. For example, opens * # * # 4636 # * # * an expanded Info menu. There you will find telephone and battery information, usage statistics and information on the IMEI (International Mobile Equipment Identity). This unique device identification number identifies your phone. The display also works over the code * # 06 #. “The most important GSM codes for iPhone Otherwise: As varied as the Android smartphone range and menus are used, so different is also the operation of the code. What can change the web services and settings, determines the operator. But the SIM card results in limitations. Certain functions are disabled, for example, for pre-paid cards. It is not uncommon that different mobile phone models from one manufacturer, depending on the Code reveal different information or do not function.This is usually because that is not always the same firmware – so the operating program of the mobile phone – is used.