Installing iPhone 4 Verizon Upper Antenna

Replace the small antenna attached to the headphone jack of your Verizon iPhone 4.

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Use this guide to replace your iPhone's upper antenna.

Sections
Tools
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Add Note Edit Step 1 — Rear Panel  ¶ 

  • Before disassembling your iPhone, be sure it is powered off.

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

  • During reassembly, we recommend you replace the 5-point screws with equivalent Phillips screws. Our Liberation Kit provides the tools and screws needed to replace the Pentalobe screws with Phillips screws.

  • The 5-Point Screwdriver should only be used once, as it has the potential to strip the screws.

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Add Note Edit Step 2  ¶ 

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

  • The panel will move about 2 mm.

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Add Note Edit Step 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.

  • Remove the rear panel from the iPhone.

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Add Note Edit Step 4 — Battery  ¶ 

  • Remove the single 1.5 mm Phillips screw securing the battery connector to the logic board.

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Add Note Edit Step 5  ¶ 

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

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Add Note Edit Step 6  ¶ 

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

  • Remove the battery.

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Add Note Edit Step 7 — Dock Connector Cable  ¶ 

  • Remove the two 1.8 mm Phillips screws securing the dock connector cable to the logic board.

  • Remove the thin metal dock connector cable cover.

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Add Note Edit Step 8  ¶ 

  • 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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Add Note Edit Step 9  ¶ 

  • 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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Add Note Edit Step 10  ¶ 

  • Remove the 1.6 mm Phillips screw securing the pressure contact to the logic board near the vibrator.

  • Remove the pressure contact.

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Add Note Edit Step 11  ¶ 

  • 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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Add Note Edit Step 12 — Rear Camera  ¶ 

  • Remove the following five screws:

    • Three 1.3 mm Phillips screws

    • One 1.5 mm Phillips screw

    • One 2.4 mm Phillips screw

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Add Note Edit Step 13  ¶ 

  • Lift the cable cover from its edge nearest the top of the iPhone.

  • Pull the cable cover tabs out of their slots cut into the EMI shield on the logic board and remove it from the iPhone.

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Add Note Edit Step 14  ¶ 

  • Use the edge of a plastic opening tool to pry the rear camera connector up from its socket on the logic board.

  • Be careful not to break any components off the surrounding area on the logic board as you pry upwards.

  • Remove the rear camera from the iPhone.

  • Be careful not to scratch the back of the display assembly after the removal of the rear facing camera.

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Add Note Edit Step 15 — Logic Board  ¶ 

  • Remove the five cables near the top of the logic board in the following order:

    • Headphone jack/volume button cable

    • Power button cable

    • Front facing camera cable

    • Digitizer cable

    • Display data cable

  • To disconnect the cables, use the edge of a plastic opening tool to gently lift their connectors up and out of the sockets on the logic board.

  • Be careful not to break any of the small and delicate surface mount components as you disconnect the cables.

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Add Note Edit Step 16  ¶ 

  • Use a small flathead screwdriver to remove the 4.8 mm standoff near the headphone jack.

  • There may be a 1.3mm phillips screw and a small clip which will need to be removed first.

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Add Note Edit Step 17  ¶ 

  • Lift the small grounding clip up off the logic board and remove it from the iPhone.

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Add Note Edit Step 18  ¶ 

  • Use the edge of a plastic opening tool to disconnect the wi-fi antenna from the logic board.

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Add Note Edit Step 19  ¶ 

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  • If necessary, remove the piece of tape covering the hidden Phillips screw near the power button.

  • Remove the 2.5 mm Phillips screw securing the logic board near the power button.

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Add Note Edit Step 20  ¶ 

  • Remove the 3.4 mm Phillips screw near the vibrator motor.

  • Use a small flathead screwdriver to remove the two 3.6 mm standoffs along the side of the logic board nearest the battery opening.

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Add Note Edit Step 21  ¶ 

  • Carefully lift the logic board from the end closest to the speaker enclosure and slide it away from the top edge of the iPhone.

  • Remove the logic board.

  • Before reassembly, be sure to clean all metal-to-metal contact points on the logic board (not the mating halves of connectors) with a de-greaser such as windex or isopropyl alcohol. The oils on your fingers have the potential to cause grounding issues.

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Add Note Edit Step 22  ¶ 

  • Be sure not to lose the small grounding finger for the rear facing camera near the power button.

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Add Note Edit Step 23 — Upper Antenna  ¶ 

  • Use the edge of a plastic opening tool to peel the upper antenna off the headphone jack.

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Add Note Edit Step 24  ¶ 

  • Remove the 2.4 mm Phillips screw next to the headphone jack.

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Add Note Edit Step 25  ¶ 

  • Use the edge of a plastic opening tool to gently move the top antenna contact away from the headphone jack.

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Add Note Edit Step 26  ¶ 

  • Use the edge of a plastic opening tool to peel the top microphone away from the outer case.

  • Pull the body of the headphone jack away from the top edge of the iPhone.

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Add Note Edit Step 27  ¶ 

  • Remove the 2.5 mm Phillips screw securing the upper antenna to the outer case.

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Add Note Edit Step 28  ¶ 

  • Remove the upper antenna from the iPhone.

  • Before reassembly, be sure to clean the metal-to-metal contact point on the upper antenna (not the mating halves of its connector) with a de-greaser such as windex or isopropyl alcohol. The oils on your fingers have the potential to cause wireless interference issues.

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

For more information, check out the iPhone 4 Verizon device page.

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