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iPhone 11 Pro WiFi Antenna Repair

Complete guide to iPhone 11 Pro wifi antenna repair. Cost estimates, difficulty level, time required, and environmental impact.

💰 Cost:$60 - $180
⏱️ Time:1-2 hours
🌍 CO₂ Saved:60 kg

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💰 Cost Breakdown

Parts$36 - $108
Labor$24 - $72
Total Estimated Cost$60 - $180

💡 Tip: Costs vary by location and repair shop. Authorized service centers typically charge more than independent repair shops.

🔧 Repair Overview

WiFi Antenna Repair is one of the most common repairs for iPhone 11 Pro. This repair involves replacing the damaged connectivity component with a new or refurbished part. The process typically takes 1-2 hours and requires moderate skill level.

What You'll Need

  • Replacement connectivity part (OEM or aftermarket)
  • Precision screwdriver set (Phillips #000 or pentalobe)
  • Opening tools (plastic spudger, suction cup)
  • Adhesive strips or glue
  • Clean workspace with good lighting

Step-by-Step Process

Step 1:

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Go to Settings > Face ID & Passcode > Set Up Face ID. When trying to set up Face ID, “Move iPhone a little lower/higher” pops up. Face ID cannot be normally set up. It can be judged that the dot projector of the Face ID has malfunctioned.

Remove the display and then detach the Face ID module. We can see a red mark, which indicates that the phone has water damage.

Step 2:

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Connect the dot projector flex cable with the I2C Repair Programmer. The test shows that the dot projector flex cable has malfunctioned.

Press “Read” and read the data from the dot projector flex cable.

Connect a new I2C iPhone 11 Pro Max flex cable to the programmer. Press “Write” and write the data that has been read on the new flex cable.

Step 3:

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Dip a small amount of UV Adhesive on the crystal of the dot projector flex cable and solidify it with UV Lamp. This step is aimed to fix the crystal.

Remove the foam on the back of the dot projector.

Step 4:

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To make positioning easier while assembly, mark the module with Sculpture Knife.

Since the dot projector flex cable is under the metal plate, lift the metal plate to remove the flex cable.

Step 5:

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Attach the Face ID module to the Holding Fixture and grind the welding position of the metal plate.

Insert the pry knife into the gap between the dot projector module and the crystal.

Step 6:

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Heat with Hot Air Gun at 150℃ and remove the dot projector flex cable.

Heat with Hot Air Gun at 320℃ and detach the dot projector module.

Step 7:

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Attach the dot projector module to the Holding Fixture. Heat with Hot Air Gun at 320℃ and take out the MOSFET.

Apply a small amount of Solder Paste to the bonding pad with Soldering Iron at 365℃. Jump wire between pin 2 and pin 3 of the MOSFET with 0.02mm copper wire.

Step 8:

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Attach the dot projector module to the holder. To clean the tin on the dot projector module, smear rosin with Soldering Iron at 365℃ and solder-wick.

Clean the module with PCB Cleaner afterward. Heat with Hot Air Gun at 240℃ and remove residual adhesive with [product|IF145-020|tweezers].

Step 9:

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Get the new flex cable. Put the Reballing Stencil in the right position and apply some medium-temperature Solder Paste evenly.

Heat with Hot Air Gun at 320℃ and remove the Reballing Stencil after the flex cable has cooled.

Step 10:

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Heat with Hot Air Gun at 320℃ again and apply a small amount of Paste Flux to the flex cable.

Fix the flex cable to the holder and align the dot projector module.

Step 11:

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Solder with Hot Air Gun at 320℃.

Connect the flex cable that has been soldered to the I2C programmer. Press “Test” and the screen shows “Pass” which indicates that the flex cable is normal.

Attach the flex cable to the Holding Fixture and put the dot projector flex cable in position.

Step 12:

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Apply a small amount of 460 Adhesive between the dot projector module and the crystal.

Once the adhesive has set, arrange the flex cable.

Step 13:

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Install the flex cable on the phone. Boot up the phone, and go to Face ID settings. Face ID is set up normally and unlocks normally. The fault is cleared.

📖 Repair guide provided by iFixit - The free repair manual. Licensed under CC BY-NC-SA 3.0.

iFixit Difficulty: Difficult | Time: NaNh NaNm

DIY vs Professional Repair

✋ DIY Repair

  • ✅ Lower cost (parts only: $36-$108)
  • ✅ Learn new skills
  • ❌ Risk of further damage
  • ❌ No warranty
  • ❌ Requires tools and time

🔧 Professional Repair

  • ✅ Expert installation
  • ✅ Warranty included
  • ✅ Faster turnaround
  • ❌ Higher cost ($60-$180)
  • ❌ Need to find reputable shop

Environmental Impact

By choosing to repair your iPhone 11 Pro instead of replacing it, you're preventing approximately 60 kg of CO₂ emissions. Manufacturing a new iPhone 11 Pro generates 64 kg of CO₂, while this repair only produces about 4 kg of CO₂. That's a 94% reduction in carbon emissions!

Get a Personalized Repair Estimate

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