Symbols in the iOS status bar, what do they mean ?

At the top of the status bar of your iPhone, iPad or iPod touch you can find various icons and letters, such as   E and H. What significance do they have? 

In the normal situation, the icons on the right image will be visible

Signal strength: this is the stair-shaped icon on the left of the screen. The more bars, the better your range. You have no coverage, then says 'No Service'. With (jailbreak) apps, you can also convert to. Figure in the strength of the network

Airplane mode: in airplane mode, all wireless devices off (Wi-Fi, Bluetooth, and GSM data connection). Useful in hospitals, aircraft, and other places where you need to turn off your phone. Be found on the Settings icon: right at the top you will find the on / off Airplane mode

Operator Name: this is usually just KPN, Vodafone and T-Mobile, depending on your operator. These can be replaced, for example, by your own name (jailbreak required). Many people attach a lot of importance to the entire operator name is visible (not "T-Mo ... '). Also, this is to solve

3G: This symbol appears when a fast data connection (UMTS, HSPA) is available. If not, the term '3 G 'turns into a round ball, to show that you can make from the much slower GPRS. Use only You may also encounter the letter E, as an indication of EDGE. This is a faster version of GPRS, which is used in places where 3G coverage is poor by operators. Actually, many operators were already abandoned EDGE, but they have turned back as an interim solution. Do you see a H, then it indicates that HSDPA. From the iPhone 5 , you can also display the 4G or LTE to see. This is the fastest internet version that came to consumers. Available since 2013 in the Netherlands

Wi-Fi: a transmit symbol next to the 3G symbol. This is not always visible, but only when Wi-Fi is on and when you make use of it

Padlock: iPhone is locked. With slide-to-unlock (a slider at the bottom) you lift the latch on

Play: Play a button to indicate that (in the background) plays music. If you listen to music on the iPhone, you can just do other things in the meantime. Top of the screen is visible to the Play symbol that plays music

Bluetooth: a stylized B symbol indicates that Bluetooth is active and that a device is connected, such as a headset or car kit. A gray B indicates that Bluetooth is turned on, but no device is connected

Battery: The battery icon indicates how much battery charge remaining. If you have an iPhone 3GS or later model, you can go to Settings> General> Usage Set the percentage of battery will be placed. In the status bar If the battery icon turns red, it is time to load

Alarm clock: you via the Alarm Clock application, then that is visible to the clock symbol at the top of the screen. The clock always shows 9:00, not the set time

VPN: for most people, no daily symbol. A VPN is a virtual private network, intended to make. Secure connection to a corporate network If the letters are visible VPN so you can safely enter passwords and PINs (for unsecured Internet via a Wi-Fi hotspot is not recommended)

Rotation Lock: a padlock with an arrow around it is right in your status bar. This means that the iPhone is locked in landscape or portrait mode. To turn it off, press twice on the home button and swipe your first time to the right. Then press the icon and the rotation lock is released

Location Services: an arrow to the right of the status bar indicates that your application uses GPS to determine your location. Do not you want a particular application does this, or do you want to disable it completely, then go to Settings> Location Services go. Here you can disable the feature by application, or as a whole

AirPlay: AirPlay is a method of music, movies and photos from your iOS device (version 5.1) to stream to your Apple TV to your Mac (using a program like AirServer). Also, you can get your device fully on your TV screen and, for example tweeting from a big screen. Turning two ways. The first is press on the home button and swipe to the right and then completely click on the icon with the rectangle containing a triangle. Also, you can for example from the Photo application, click on the AirPlay icon. If Airplay active symbol (rectangle triangle) appears to the right of the battery

Synchronize: apps, music, books, etc. to sync between iTunes and the iPhone, you can sync your iPhone. If you do two rotating arrows appear above the status bar. This happens when you syncs with cable, but if you do that wirelessly. It is possible from iOS 5