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iPhone 4S Cellular Antenna Replacement

Escrito Por: Walter Galan (y 4 de otros participantes)
  • Comentarios: 144
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  • Terminaciones: 104

Dificultad

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Pasos

19

Tiempo Requerido

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Secciones

4

Banderas

0

Introducción

Use this guide to replace the cellular antenna normally adhered to the speaker enclosure.

  1. Before you begin, discharge your iPhone battery below 25%. A charged lithium-ion battery can catch fire and/or explode if accidentally punctured.

    • Before you begin, discharge your iPhone battery below 25%. A charged lithium-ion battery can catch fire and/or explode if accidentally punctured.

    • Power off your iPhone before beginning disassembly.

    • Remove the two 3.6 mm Pentalobe P2 screws next to the dock connector.

    • Be sure the driver is well-seated when removing Pentalobe screws—they are easy to strip.

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  2. Push the rear panel toward the top edge of the iPhone. The panel will move about 2 mm.

    • Push the rear panel toward the top edge of the iPhone.

    • The panel will move about 2 mm.

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  3. Pull the rear panel away from the back of the iPhone, being careful not to damage the plastic clips attached to the rear panel.

    • Pull the rear panel away from the back of the iPhone, being careful not to damage the plastic clips attached to the rear panel.

    • Remove the rear panel from the iPhone.

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  4. Remove the following screws securing the battery connector to the logic board: One 1.7 mm Phillips screw

    • Remove the following screws securing the battery connector to the logic board:

    • One 1.7 mm Phillips screw

    • One 1.5 mm Phillips screw

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  5. Carefully push the pressure contact away from the battery connector until it slides free from its position. Remove the pressure contact. Remove the pressure contact.

    • Carefully push the pressure contact away from the battery connector until it slides free from its position.

    • Remove the pressure contact.

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  6. Use a plastic opening tool to gently pry up the battery connector from its socket on the logic board. Place the tip of the tool between the loudspeaker enclosure and the metal cover of the connector, and lift the bottom edge of the connector first. The battery connector comes off vertically from the logic board. Do not apply force sideways.

    • Use a plastic opening tool to gently pry up the battery connector from its socket on the logic board.

    • Place the tip of the tool between the loudspeaker enclosure and the metal cover of the connector, and lift the bottom edge of the connector first.

    • The battery connector comes off vertically from the logic board. Do not apply force sideways.

    • Be careful not to pry at the battery connector socket itself, or it may detach from the logic board. There are four very small solder points awaiting this mistake!

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  7. Before you reattach the battery connector during reinstallation, carefully position the pressure contact back in place. It should rest on top of the Philips screw post shown, and the gold contact should point towards the battery connector. Be sure to clean the pressure contact with a degreaser such as windex or isopropyl alcohol. The oils on your fingers have the potential to create wireless interference.

    • Before you reattach the battery connector during reinstallation, carefully position the pressure contact back in place. It should rest on top of the Philips screw post shown, and the gold contact should point towards the battery connector.

    • Be sure to clean the pressure contact with a degreaser such as windex or isopropyl alcohol. The oils on your fingers have the potential to create wireless interference.

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  9. Insert the edge of a plastic opening tool between the battery and the outer case near the bottom of the iPhone. Run the plastic opening tool along the right edge of the battery and pry up at several points to completely separate it from the adhesive securing it to the outer case.

    • Insert the edge of a plastic opening tool between the battery and the outer case near the bottom of the iPhone.

    • Run the plastic opening tool along the right edge of the battery and pry up at several points to completely separate it from the adhesive securing it to the outer case.

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  10. Use the exposed clear plastic pull tab to peel the battery off the adhesive securing it to the iPhone. Be careful not to pull the plastic pull tab too hard as it can be ripped off very easily.

    • Use the exposed clear plastic pull tab to peel the battery off the adhesive securing it to the iPhone.

    • Be careful not to pull the plastic pull tab too hard as it can be ripped off very easily.

    • Remove the battery.

    • If your replacement battery came in a plastic sleeve, remove it before installation by pulling it away from the ribbon cable.

    • If your replacement battery came with an uncreased cable, carefully crease the cable into the proper shape before installing the battery into the phone.

    • While installing the replacement battery, temporarily connect the battery connector to the phone to ensure proper alignment. Once the battery is glued in place, disconnect the battery connector.

    • Perform a hard reset after reassembly. This can prevent several issues and simplify troubleshooting.

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  11. Remove the following screws securing the dock connector cable cover to the logic board: One 1.5 mm Phillips screw

    • Remove the following screws securing the dock connector cable cover to the logic board:

    • One 1.5 mm Phillips screw

    • One 1.2 mm Phillips screw

    • Remove the metal dock connector cable cover.

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  12. Use the edge of a plastic opening tool to pry the dock cable up from its socket on the logic board.

    • Use the edge of a plastic opening tool to pry the dock cable up from its socket on the logic board.

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  13. Peel the dock connector cable off the adhesive securing it to the logic board and the side of the speaker enclosure.

    • Peel the dock connector cable off the adhesive securing it to the logic board and the side of the speaker enclosure.

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  14. Use the edge of a plastic opening tool to pry the cellular antenna cable up from its socket on the logic board. De-route the cellular antenna cable out from under the metal fingers attached to the logic board.

    • Use the edge of a plastic opening tool to pry the cellular antenna cable up from its socket on the logic board.

    • De-route the cellular antenna cable out from under the metal fingers attached to the logic board.

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  15. Remove the two 2.4 mm Phillips screws securing the speaker enclosure assembly to the outer case.

    • Remove the two 2.4 mm Phillips screws securing the speaker enclosure assembly to the outer case.

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  16. Remove the small black spacer that was under the Phillips screw near the vibrator.

    • Remove the small black spacer that was under the Phillips screw near the vibrator.

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  17. Use a plastic opening tool to lift the speaker enclosure assembly out of the case, being sure not to damage the EMI fingers on the attached Wi-Fi antenna. Remove the speaker enclosure assembly. Before reinstalling the speaker enclosure assembly's screws, be sure the Wi-Fi grounding fingers are installed below the lip in the iPhone's metal case as seen in the third picture.

    • Use a plastic opening tool to lift the speaker enclosure assembly out of the case, being sure not to damage the EMI fingers on the attached Wi-Fi antenna.

    • Remove the speaker enclosure assembly.

    • Before reinstalling the speaker enclosure assembly's screws, be sure the Wi-Fi grounding fingers are installed below the lip in the iPhone's metal case as seen in the third picture.

    • Before reassembly, be sure to clean all metal-to-metal contact points between the grounding fingers of the Wi-Fi antenna and the case of the iPhone with a de-greaser such as windex or isopropyl alcohol. The oils on your fingers have the potential to cause wireless interference issues.

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  18. Remove the two 1.6 mm Phillips screws securing the cellular antenna to the speaker enclosure.

    • Remove the two 1.6 mm Phillips screws securing the cellular antenna to the speaker enclosure.

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  19. Starting near the cellular antenna cable, use the edge of a plastic opening tool to peel the antenna off the speaker enclosure. Continue peeling the cellular antenna off the speaker enclosure, being careful not to rip the gold bracket attached to one of its edges. Remove the cellular antenna.

    • Starting near the cellular antenna cable, use the edge of a plastic opening tool to peel the antenna off the speaker enclosure.

    • Continue peeling the cellular antenna off the speaker enclosure, being careful not to rip the gold bracket attached to one of its edges.

    • Remove the cellular antenna.

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  20. When installing a new cellular antenna, be sure to slide the gold bracket over the ear molded into the speaker enclosure before sticking the antenna down.

    • When installing a new cellular antenna, be sure to slide the gold bracket over the ear molded into the speaker enclosure before sticking the antenna down.

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Conclusión

To reassemble your device, follow these instructions in reverse order.

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2 comentarios

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Nice! Helpful.

Johnny - Contestar

thanks its very interesting

benito gobris - Contestar

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