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Samsung SCH-U520 is a phone released on December 7, 2006 by the former U.S. wireless operator Alltel Wireless. The phone was the first phone to support Alltel's Axcess Mobile Guide service. The service allows customers to hear voice turn-by-turn navigation, view maps, find locations, plan trips and more.
The use of vertical is a somewhat dated reference to older switching methods and the fact that these services can only be accessed by a telephone subscriber, going up (vertically) inside the local central office instead of out (horizontally) to another telephone company.
Three-way calling (network-dependent) No SIM card due to operator-specific device. The Samsung SCH-u470 , or Juke and Verizon Wireless Juke , is a mobile phone offered exclusively by Verizon Wireless .
In general, the types of phones and other devices supported by the MVNOs are in line with the technologies used by the Mobile Network Operator (MNO), the underlying cellular network provider. All major and regional MNOs use 4G LTE / LTE Advanced and 5G NR protocols (2G and 3G having been deprecated and shut down), with GSM technologies.
On Tuesday, AT&T announced it has agreed to buy the Alltel domestic retail wireless business of Atlantic Tele-Network in an all-cash transaction valued at approximately $780 million. Atlantic ...
Alltel Family Finder: Similar to Verizon Wireless's "Family Locator" service, Alltel offered a service dubbed Alltel Family Finder where users on family plans could download software to their children's phones and use GPS technology to acquire real-time location information either directly on their phone or on the computer.
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