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Verizon is an American wireless network operator that previously operated as a separate division of Verizon Communications under the name Verizon Wireless. In a 2019 reorganization, Verizon moved the wireless products and services into the divisions Verizon Consumer and Verizon Business, and stopped using the Verizon Wireless name. Verizon is the largest wireless carrier in the United States, with 142.8 million subscribers at the end of Q4 2021.
A battery charger, recharger, or simply charger is a device that stores energy in a battery by running an electric current through it. The charging protocol depends on the size and type of the battery being charged. Some battery types have high tolerance for overcharging and can be recharged by connection to a constant voltage source or a constant current source, depending on battery type. Simple chargers of this type must be manually disconnected at the end of the charge cycle. Other battery types use a timer to cut off when charging should be complete. Other battery types cannot withstand over-charging, becoming damaged, over heating or even exploding. The charger may have temperature or voltage sensing circuits and a microprocessor controller to safely adjust the charging current and voltage, determine the state of charge, and cut off at the end of charge.
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AppleCare+ is Apple's brand name for extended warranty and technical support plans for their devices. AppleCare+ extends the devices' one year limited warranty and the 90 days of technical support. It also includes unlimited repairs for accidental damage repair at discounted prices every 12 months. The AppleCare Protection Plan is available for many Apple products including Mac computers and displays, Beats Headphones, HomePods, iPhones and iPads, Apple Watches, and Apple TVs. AppleCare plans include Apple software associated with the covered hardware. Customers can also buy additional support and training through AppleCare.
A mobile phone is a portable telephone that can make and receive calls over a radio frequency link while the user is moving within a telephone service area. The radio frequency link establishes a connection to the switching systems of a mobile phone operator, which provides access to the public switched telephone network (PSTN). Modern mobile telephone services use a cellular network architecture and, therefore, mobile telephones are called cellular telephones or cell phones in North America. In addition to telephony, digital mobile phones (2G) support a variety of other services, such as text messaging, multimedia messagIng, email, Internet access, short-range wireless communications, business applications, video games and digital photography. Mobile phones offering only those capabilities are known as feature phones; mobile phones which offer greatly advanced computing capabilities are referred to as smartphones.
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The ROG Phone is an Android gaming smartphone made by Asus and the first generation of the ROG smartphone series. It was announced on June 8, 2018 at the Computex computer expo, being the first Asus smartphone to be targeted mainly to gamers. It competes with the Razer Phone, Xiaomi Black Shark, and ZTE Nubia Red Magic.
The Samsung Galaxy Fold is an Android-based foldable smartphone developed by Samsung Electronics. Unveiled on March 20, 2019, it was released on September 6, 2019 in South Korea. The device is capable of being folded open to expose a 7.3-inch tablet-sized flexible display, while its front contains a smaller "cover" display, intended for accessing the device without opening it. With the announcement of the Galaxy Z Flip, Samsung's foldable phones were made part of the Galaxy Z series. This also retroactively applies to the Galaxy Fold.
A foldable smartphone is a smartphone with a folding form factor. It is a modern flip phone. Some variants of the concept use multiple touchscreen panels on a hinge, while other designs utilise a flexible display. Concepts of such devices date back as early as Nokia's "Morph" concept in 2008, and a concept presented by Samsung Electronics in 2013, while the first commercially available folding smartphones with OLED displays began to emerge in November 2018.
References
- ↑ Todd, Deborah (15 March 2013). "Cellhelmet's iPhone case sales on the rise after appearance on 'Shark Tank'". Pittsburgh Post Gazette. Retrieved 24 March 2013.
- ↑ Gelles, Jeff (1 June 2012). "Tech Life: Inventors turn to accessorizing the iPhone". Philadelphia Inquirer. Retrieved 6 December 2012.
- ↑ Broida, Rick. "Cellhelmet iPhone case comes with an extended iPhone warranty". CNET News. CNET. Retrieved 6 December 2012.
- ↑ "The Best iPhone Screen Protectors". The New York Times. 2022-09-09. ISSN 0362-4331 . Retrieved 2023-01-17.
- ↑ Graham, Shawn. "Cellhelmet, The iPhone Case Guaranteed To Protect Your Phone". Fast Company Magazine. Fast Company. Retrieved 6 December 2012.
- ↑ Spencer, Malia (1 January 2012). "Cellhelmet launches on Kickstarter, guarantees iPhone safety". Pittsburgh Business Times. Retrieved 6 December 2012.