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Despite a growing controversy over the reception troubles plaguing the iPhone 4, Apple (AAPL) does not plan to recall the device, The Wall Street Journal reported late Thursday, citing a person ...
It shouldn't be surprising that rival cell phone manufacturers weren't thrilled when Apple (AAPL) CEO Steve Jobs said the iPhone 4's antenna problems aren't specific to that device but rather are ...
Apple (AAPL) CEO Steve Jobs received a heads-up warning about potential iPhone 4 reception problems early in the planning process from the company's senior antenna expert, according to a Bloomberg ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 15 February 2025. 2010 smartphone by Apple "iPhone 4G" redirects here. For the first iPhone with 4G networking, see iPhone 5. Not to be confused with iPhone 4s. iPhone 4 iPhone 4 (GSM model) in black Developer Apple Inc. Manufacturers Foxconn (UMTS/GSM model) Pegatron (CDMA model) Type Smartphone ...
Code-division multiple access (CDMA) is a channel access method used by various radio communication technologies. CDMA is an example of multiple access, where several transmitters can send information simultaneously over a single communication channel.
Operator Country Technology Frequency (MHz) Launch date End of service Notes Movicel Angola CDMA2000 1xRTT, EV-DO Rev. A 800 Apr 2004: Mar 2016 [38] [39] [40]BelCel Belarus ...
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The iPhone 4s uses the same proprietary 30-pin dock connector that is used on the iPhone 4, which was first introduced in the 3rd generation iPod. The iPhone 4s has an improved cellular (GSM) antenna design over the iPhone 4. The new antenna is divided up into two pieces within the stainless steel band that wraps around the sides of the smartphone.