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Cambios a Paso #3

Editado por Brett Hartt

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Líneas de Paso

[* black] The SIM slot is gone. According to Apple, the SIM card and SIM tray were the only user-servicable parts in the iPhone 4. Apple now says "iPhone does not contain any user-servicable parts." We believe you have the [link|http://www.ifixit.com/Manifesto|right to repair your own hardware], and we'll have a repair guide available right away.
[* icon_note] Here's a brief overviewblack] The additional break in the antenna enclosure on the right side of the iPhone's cell phone frequencies, in case you forgotis a result of the switch from GSM to CDMA. An antenna's operating frequency is directly dependent on its size and geometry, which also accounts for the movement of the enclosure break on the left side of the phone.
[* black] The AT&T GSM iPhone has antennas capable of communicatingthree differently shaped antennas, which enable the phone to communicate on UMTS/HSDPA/HSUPA (850, 900, 1900, 2100 MHz) and GSM/EDGE (850, 900, 1800, 1900 MHz).
[* black] The CDMA carriers don'tiPhone, which has four antenna segments (two "U" shaped pieces at the top and bottom, and two straight bars along the edge) only needs to operate on as many frequency bands. The Verizon iPhone can talk on 800 and 1900 MHz for CDMA EV-DO Rev. A.
[* icon_note] Here's a brief overviewblack] The additional break in the antenna enclosure on the right side of the iPhone's cell phone frequencies, in case you forgotis a result of the switch from GSM to CDMA. An antenna's operating frequency is directly dependent on its size and geometry, which also accounts for the movement of the enclosure break on the left side of the phone.
[* black] The AT&T GSM iPhone has antennas capable of communicatingthree differently shaped antennas, which enable the phone to communicate on UMTS/HSDPA/HSUPA (850, 900, 1900, 2100 MHz) and GSM/EDGE (850, 900, 1800, 1900 MHz).
[* black] The CDMA carriers don'tiPhone, which has four antenna segments (two "U" shaped pieces at the top and bottom, and two straight bars along the edge) only needs to operate on as many frequency bands. The Verizon iPhone can talk on 800 and 1900 MHz for CDMA EV-DO Rev. A.
[* black] Both phones also have antennas for personal networking—2400 MHz for Bluetooth plus 2.4 and 5 GHz for WiFi.