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2. Freedom 251 - Wikipedia

   en.wikipedia.org/wiki/Freedom_251

   Data inputs. Touchscreen, Accelerometer, Magnetometer, Proximity sensor, Ambient light sensor. Other. Wi-Fi Hot Spot, FM radio. The Freedom 251 is a smartphone that was initially offered for sale in India at the promotional price of ₹251 (the equivalent of $3.39 as of 2022). Sold by Ringing Bells Private Limited, and marketed as the world's ...

3. Lifeline (FCC program) - Wikipedia

   en.wikipedia.org/wiki/Lifeline_(FCC_program)

   Lifeline is the Federal Communications Commission 's program, established in 1985, intended to make communications services more affordable for low-income consumers. Lifeline provides subscribers a discount on monthly telephone service purchased from participating providers in the marketplace. Subscribers can also purchase discounted broadband ...

4. Comparison of mobile phone standards - Wikipedia

   en.wikipedia.org/wiki/Comparison_of_mobile_phone...

   GSM uses TDMA and FDMA for user and cell separation. UMTS, IS-95 and CDMA-2000 use CDMA. WiMAX and LTE use OFDM . Time-division multiple access (TDMA) provides multiuser access by chopping up the channel into sequential time slices. Each user of the channel takes turns to transmit and receive signals.

5. Mobile phone use in schools - Wikipedia

   en.wikipedia.org/wiki/Mobile_phone_use_in_schools

   A phone cage used for keeping students' phones away from them during school hours. The use of mobile phones in schools has become a controversial topic debated by students, parents, teachers and authorities. People who support the use of mobile phones believe that these phones are useful for safety, allowing children to communicate with their ...

6. This device lets you use your phone or tablet hands-free ...

   www.aol.com/lifestyle/tablet-phone-ereader-hands...

   Hands Free Tablet & Stand Holder Clip. $16 $26. See at Amazon. For just $16, it's an absolute steal that's too good to pass up for anyone who likes scrolling their phone at bedtime. But don't wait ...

7. Problematic smartphone use - Wikipedia

   en.wikipedia.org/wiki/Problematic_smartphone_use

   People using their mobile phones individually. Problematic smartphone use is psychological or behavioral dependence on cell phones. It is closely related to other forms of digital media overuse such as social media addiction or internet addiction disorder . Commonly known as " smartphone addiction ", the term "problematic smartphone use" was ...

8. iPhone - Wikipedia

   en.wikipedia.org/wiki/IPhone

   The iPhone is a smartphone produced by Apple that uses Apple's own iOS mobile operating system. The first-generation iPhone was announced by then–Apple CEO Steve Jobs on January 9, 2007. Since then, Apple has annually released new iPhone models and iOS updates. As of November 1, 2018, more than 2.2 billion iPhones had been sold.

9. iPhone (1st generation) - Wikipedia

   en.wikipedia.org/wiki/IPhone_(1st_generation)

   The iPhone[ 10] (retroactively referred to as the iPhone 2G, [ 11] iPhone 1, [ 12] or original iPhone[ 11]) is the first iPhone model and the first smartphone designed, developed, and marketed by Apple Inc. After years of rumors and speculation, it was officially announced on January 9, 2007, [ 13] and was released in the United States on June ...