Why is my phone showing a blank white screen? It is a Samsung SPH-M550?


If your phone is showing a blank white screen it is most likely a software glitch that occur with any type of cell phone. To get your regular screen back, shut your phone off and then restart it after a minute or two.

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A mobile phone (also known as a cellular phone, cell phone, and a hand phone) is a device that can make and receive telephone calls over a radio link while moving around a wide geographic area. It does so by connecting to a cellular network provided by a mobile phone operator, allowing access to the public telephone network. By contrast, a cordless telephone is used only within the short range of a single, private base station.

In addition to telephony, modern mobile phones also support a wide variety of other services such as text messaging, MMS, email, Internet access, short-range wireless communications (infrared, Bluetooth), business applications, gaming and photography. Mobile phones that offer these and more general computing capabilities are referred to as smartphones.


Samsung Electronics Co., Ltd. (Korean: 삼성전자) is a South Korean multinational electronics company headquartered in Suwon, South Korea. It is the flagship subsidiary of the Samsung Group and has been the world's largest information technology company by revenues since 2009. Samsung Electronics has assembly plants and sales networks in 88 countries and employs around 370,000 people. For 2012 the CEO is Kwon Oh-Hyun.

Samsung has long been a major manufacturer of electronic components such as lithium-ion batteries, semiconductors, chips, flash memory and hard drive devices for clients such as Apple, Sony, HTC and Nokia.

Samsung Exclaim (SPH-M550) is a dual-slider mobile phone, meaning it contains both an alpha numeric as well as a full QWERTY keyboard packed into one device. The phone became available to US Sprint users in June 2009 for $79.00 after a mail-in rebate and a two-year service contract from the carrier. Preloaded applications include YouTube, Google Maps, Sprint Social Zone, Facebook, and MySpace, among others.

The M550 (sold as the M551 in North America) was a phone produced by the now defunct Sendo. It is a compact color mobile phone which features a smaller monochrome screen on the front. It features WAP support with color pictures and three games: Splat 2, TenPin and KombatKlub. It comes in a flip flop design and is available in a variety of front colors including blue, black, red and grey. The screen at the front is used for displaying the time and network info.

It was sold in Germany at the discounter Aldi under the name Tevion MD 7300.

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