Mobile phone features Wikipedia. Hardware side view of a typical smartphone. The features of mobile phones are the set of capabilities, services and applications that they offer to their users. Mobile phones are often referred to as feature phones, and offer basic telephony. Handsets with more advanced computing ability through the use of native soo try to differentiate their own products by implementing additional functions to make them more attractive to consumers. This has led to great innovation in mobile phone development over the past 2. The common components found on all phones are A battery, providing the power source for the phone functions. An input mechanism to allow the user to interact with the phone. The most common input mechanism is a keypad, but touch screens are also found in smartphones. Basic mobile phone services to allow users to make calls and send text messages. All GSM phones use a SIM card to allow an account to be swapped among devices. Some CDMA devices also have a similar card called a R UIM. Individual GSM, WCDMA, i. The most frustrating thing about a phone addiction is that unlike actual substance abuse, the solution is not to stop using it completely. Instead, we have to find. Service to unlock locked cell phone tool for free. The tool will unlock any models Alcatel, Nokia, Samsung, Huawei, HTC and others. However, it can also be a sign that uninvited software is running in the background, allowing someone else to listen in. Furthermore, be suspicious if your phone. GuestSpy Mobile Spy App Best Monitoring Software. GuestSpy can help you spy text messages whatsapp, viber, skype, facebook, call logs, GPS tracking. The app Lock Screen Text can do the trick, but youll have limited space. I recommend writing little more than ICE plus a persons first name and phone number. Shop for verizon prepaid cell phone online at Target. Free shipping on purchases over 35 and save 5 every day with your Target REDcard. When youre setting up your phone, one of the choices that youll almost certainly have to make is how to lock it should you use a fingerprint or a PIN Going. DEN and some satellite phone devices are uniquely identified by an International Mobile Equipment Identity IMEI number. All mobile phones are designed to work on cellular networks and contain a standard set of services that allow phones of different types and in different countries to communicate with each other. However, they can also support other features added by various manufacturers over the years roaming which permits the same phone to be used in multiple countries, providing that the operators of both countries have a roaming agreement. WAP services, and provide full Internet access using technologies such as GPRS. Sending and receiving pictures and videos by without internet through MMS, and for short distances with e. Bluetooth. In Multimedia phones Bluetooth is commonly but important Feature. GPS receivers integrated or connected i. Bluetooth to cell phones, primarily to aid in dispatchingemergency responders and road tow truck services. This feature is generally referred to as E9. Push to talk, available on some mobile phones, is a feature that allows the user to be heard only while the talk button is held, similar to a walkie talkie. Software, applications and servicesedit. Software side view of a typical smartphone. In early stages, every mobile phone company had its own user interface, which can be considered as closed operating system, since there was a minimal configurability. A limited variety of basic applications usually games, accessories like calculator or conversion tool and so on was usually included with the phone and those were not available otherwise. Early mobile phones included basic web browser, for reading basic WAP pages. Handhelds Personal digital assistants like Palm, running Palm OS were more sophisticated and also included more advanced browser and a touch screen for use with stylus, but these were not broadly used, comparing to standard phones. Other capabilities like Pulling and Pushing Emails or working with calendar were also made more accessible but it usually required physical and not wireless Syncing. There are a few signs that may help you find out if your cell phone has spy software installed and that it is being tracked, tapped or monitored in some way. Hack Cell Phone Screen Lock' title='Hack Cell Phone Screen Lock' />Black. Berry 8. 50, an email pager, released January 1. Email. A major step towards a more open mobile OS was the symbian S6. OS, that could be expanded by downloading software written in C, java or python, and its appearance was more configurable. In July 2. 00. 8, Apple introduced its App store, which made downloading mobile applications more accessible. In October 2. 00. HTC Dream was the first commercially released device to use the Linux based Android OS, which was purchased and further developed by Google and the Open Handset Alliance to create an open competitor to other major smartphone platforms of the time Mainly Symbian operating system, Black. Hack Cell Phone Screen Lock' title='Hack Cell Phone Screen Lock' />Berry OS, and i. OS The operating system offered a customizable graphical user interface and a notification system showing a list of recent messages pushed from apps. The most commonly used data application on mobile phones is SMS text messaging. The first SMS text message was sent from a computer to a mobile phone in 1. UK, while the first person to person SMS from phone to phone was sent in Finland in 1. The first mobile news service, delivered via SMS, was launched in Finland in 2. Mobile news services are expanding with many organizations providing on demand news services by SMS. Some also provide instant news pushed out by SMS. Mobile payments were first trialled in Finland in 1. Coca Cola vending machines in Espoo were enabled to work with SMS payments. Eventually, the idea spread and in 1. Philippines launched the first commercial mobile payments systems, on the mobile operators Globe and Smart. Today, mobile payments ranging from mobile banking to mobile credit cards to mobile commerce are very widely used in Asia and Africa, and in selected European markets. Usually, the SMS services utilize short code. Some network operators have utilized USSD for information, entertainment or finance services e. M Pesa. Other non SMS data services used on mobile phones include mobile music, downloadable logos and pictures, gaming, gambling, adult entertainment and advertising. The first downloadable mobile content was sold to a mobile phone in Finland in 1. Radiolinja now Elisa introduced the downloadable ringtone service. In 1. 99. 9, Japanese mobile operator NTT Do. Co. Mo introduced its mobile Internet service, i Mode, which today is the worlds largest mobile Internet service. Even after the appearance of smartphones, network operators have continued to offer information services, although in some places, those services have become less common. Power supplyedit. Mobile phone charging service in Uganda. The worlds five largest handset makers introduced a new rating system in November 2. Mobile phones generally obtain power from rechargeable batteries. There are a variety of ways used to charge cell phones, including USB, portable batteries, mains power using an AC adapter, cigarette lighters using an adapter, or a dynamo. In 2. 00. 9, the first wireless charger was released for consumer use. Some manufacturers have been experimenting with alternative power sources, including solar cells. Various initiatives, such as the EU Common External Power Supply have been announced to standardize the interface to the charger, and to promote energy efficiency of mains operated chargers. A star rating system is promoted by some manufacturers, where the most efficient chargers consume less than 0. BatteryeditA popular early mobile phone battery was the nickel metal hydride Ni. MH type, due to its relatively small size and low weight. Lithium ion batteries are also used, as they are lighter and do not have the voltage depression due to long term over charging that nickel metal hydride batteries do. Many mobile phone manufacturers use lithiumpolymer batteries as opposed to the older lithium ion, the main advantages being even lower weight and the possibility to make the battery a shape other than strict cuboid. SIM cardeditGSM mobile phones require a small microchip called a Subscriber Identity Module or SIM card, to function. The SIM card is approximately the size of a small postage stamp and is usually placed underneath the battery in the rear of the unit. The SIM securely stores the service subscriber key IMSI used to identify a subscriber on mobile telephony devices such as mobile phones and computers. The SIM card allows users to change phones by simply removing the SIM card from one mobile phone and inserting it into another mobile phone or broadband telephony device. A SIM card contains its unique serial number, internationally unique number of the mobile user IMSI, security authentication and ciphering information, temporary information related to the local network, a list of the services the user has access to and two passwords PIN for usual use and PUK for unlocking. How to Use and Tweak Your Windows 1. Lock Screen. The first item that greets you when you fire up Windows 1. Lock screen. Clicking or tapping on it brings you to the sign in screen where you log in to Windows. Yes, the Lock screen seems unnecessary, but it carries with it some tidbits that can be useful before you even launch Windows. From the Lock screen, you can view information from certain apps. You can chat with Cortana if youve installed the new Windows 1. Anniversary update. And you can customize the screen with your favorite background image or slideshow. Heres how. To tweak the Lock screen within Windows 1. Start button and click on the Settings icon. For those of you whove installed the Windows 1. Anniversary update, the Settings icon looks like a small gear. From the Settings screen, click on the category for Personalization and then click on the setting for Lock screen. The first thing well do is pick a background image for the Lock screen. Click on the drop down menu under Background. Lets choose Windows Spotlight. The spotlight option displays a different image periodically, only you get to vote on which images you like. Windows will ask if you like or dislike a certain image to try to learn your preferences and then display images it thinks will strike your fancy. The second option for Picture lets you choose a picture from one of the thumbnail images displayed. Or you can click on the Browse button to choose a different image from your own Pictures or from a different folder. And the third option for Slideshow lets you choose multiple images that segue from one to another to play a slideshow on your Lock screen. The next option lets you display tips and other information about Windows and Cortana on your Lock screen. This option is available only if you opted to set your background image as a picture. Next you can choose an app to see specific details from it on the Lock screen. Click on the icon under the phrase Choose an app to show detailed status. You can opt to see details from Weather, Messaging, Calendar, Mail, and other apps. For example, choosing Calendar might show you an appointment scheduled today, while choosing Weather may display the current temperature. You can then also choose several apps to display a quick status, which simply means fewer details. Click on each icon under the phrase Choose apps to show quick status. Again, you can select such apps as Weather, Messaging, and Calendar as well as Alarms Clock, Mail, and Windows Store. The next time the Lock screen pops up, you should see information from the apps you chose. If youre happy with your Lock screen image, you can keep the same one for your sign in screen. Just turn on the next option to Show lock screen background picture on the sign in screen. Finally, the coolest option of all may be the ability to chat with Cortana at the Lock screen without having to log in. Just click on the link that says Cortana lock screen settings. The Cortana settings pane appears, displaying an option that says Use Cortana even when my device is locked. Russell Wiley Is Out To Lunch Bunch. Make sure that setting is enabled, and youll be able to say Hey Cortana, and post a question or command to Microsofts voice assistant right from the Lock screen. This option is available only if youve installed the Windows 1. Anniversary update. Scroll down a bit further and you can also turn on an option to Let Cortana manage my calendar, email, messages, and Power BI data when my device is locked. So with some simple tweaks and setting changes, theres lots you can do in Windows 1. Lock screen without even having to sign in.