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2. Voice over LTE - Wikipedia

   en.wikipedia.org/wiki/Voice_over_LTE

   Verizon stopped activating CDMA-only devices on their network in 2018, and had previously planned to shut down 3G service in 2019, but extended the timeline for shutting down the 3G network twice [44] — first to December 31, 2020, and then to December 31, 2022, which the VP of Network Engineering says "will not be extended again." The company ...

3. Comparison of mobile phone standards - Wikipedia

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

   Cellular network standards and generation timeline. This is a comparison of standards of wireless networking technologies for devices such as mobile phones.A new generation of cellular standards has appeared approximately every tenth year since 1G systems were introduced in 1979 and the early to mid-1980s.

4. LTE (telecommunication) - Wikipedia

   en.wikipedia.org/wiki/LTE_(telecommunication)

   On November 24, 2009: Telecom Italia announced the first outdoor pre-commercial experimentation in the world, deployed in Torino and totally integrated into the 2G/3G network currently in service. [61] On December 14, 2009, the world's first publicly available LTE service was opened by TeliaSonera in the two Scandinavian capitals Stockholm and ...

5. List of wireless network technologies - Wikipedia

   en.wikipedia.org/wiki/List_of_wireless_network...

   LTE (Long Term Evolution) is commonly marketed as 4G LTE, but it did not initially meet the technical criteria of a 4G wireless service, as specified in the 3GPP Release 8 and 9 document series for LTE Advanced. Given the competitive pressures of WiMAX and its evolution with Advanced new releases, it has become synonymous with 4G. It was first ...

6. iPhone 5s - Wikipedia

   en.wikipedia.org/wiki/IPhone_5s

   This was especially the case when iOS 8 was released and both iPhone 5s and iPhone 5c were moved to the mid and low end of the iPhone range, respectively; the iPhone 5s still had 16 or 32 GB (14.9 or 29.8 GiB) storage available while the iPhone 5c had to make do with 8 GB storage with only 4.9GB available to the user after installing iOS 8 ...

7. iPhone 3G - Wikipedia

   en.wikipedia.org/wiki/IPhone_3G

   However, the iPhone 3G is unable to use many features included in this update, such as AirPlay and Safari Text Search. This is the last iOS release to support this iPhone model; iOS 4.3 and later are not compatible with this iPhone model due to hardware limitations and performance issues. [20]

8. Some iPhone users can send texts when service is down ... - AOL

   www.aol.com/iphone-users-send-texts-down...

   The iPhone 14, 15 and 16 models are all capable of connecting to satellites, but iOS 18 is required to send text messages, according to Apple. To make sure your phone is updated, go to Settings ...

9. List of LTE networks - Wikipedia

   en.wikipedia.org/wiki/List_of_LTE_networks

   Country Operator ƒ (MHz) B VoLTE Launch date Cat.3 ≤ 100 Mbit/s Launch date Cat.4 ≤ 150 Mbit/s Launch date Cat.6 ≤ 300 Mbit/s Launch date Cat.9 ≤ 450 Mbit/s