iPad Pro 12.9-Inch Battery Replacement Guide | (1st Generation, 2015)

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In this guide, we’ll show you how to replace the battery on the iPad Pro 12.9-inch 1st generation safely and correctly. If your iPad drains quickly, shuts down unexpectedly, or no longer holds a charge, a battery replacement is the best way to restore reliable performance.

The iPad Pro features a tightly sealed design with strong adhesive and sensitive internal components. Because of this, proper heating, careful screen removal, and slow battery extraction are essential. This guide is written for users who want a clear, professional repair walkthrough with no guesswork.

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Reasons for iPad Pro 12.9 Battery Replacement

You may need to replace the battery if you notice:

• Rapid battery drain
• iPad shutting down at high charge levels
• Battery percentage jumping or behaving inconsistently
• Device overheating during use or charging
• iPad not powering on without being plugged in
• Swollen or aged battery reducing performance

Replacing the battery helps restore longer screen-on time, stable charging, and overall device reliability.

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Repair Difficulty

Difficulty Level: 🔧🔧🔧🔧☆ (Advanced)
Estimated Repair Time: 90–120 minutes
Skill Level Required: Experienced DIY or technician recommended

⚠️ This repair involves removing the screen, logic board, and battery, making it one of the more complex iPad repairs.

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Before You Begin

Compatibility and Model Numbers

This repair guide based on iPad Pro 12.9-inch 2015 Model.

Also Compatible with Both Wifi and Cellular Edition models.

Model Numbers | iPad Pro 12.9-inch 1st Generation, A1584, A1652

Required Tools

• Heating pad / heat gun / hairdryer
• Suction cup
• Plastic card pry tools / opening picks/ Tweezers
• Phillips screwdriver #00 / #000
• Torx T3 Screwdriver
• Adhesive (B7000 or double-sided back cover adhesive)
• Bonding clips or rubber bands (optional but recommended)

Make sure the phone is turned off and the SIM tray is removed (For Cellular Version)before starting.

How to Find Tools and Parts

• Heating pad – https://amzn.to/3H0tHzJ
• Portable Heat Gun – https://amzn.to/4mszih1
• Clamps https://amzn.to/3GYJT4w
• STREBITO 142 Piece Repair Tool Kit https://amzn.to/3UO1jUx
• Glue | Adhesive https://amzn.to/46exVxe
• Compatible Parts –
  • Battery – https://amzn.to/4gwRF2O
  • LCD Screen – https://amzn.to/4mmy5r2
  • Other Parts – https://amzn.to/3IwgRK2
• Silicone Work Repair Mat https://amzn.to/45Emz5l

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Protect Your iPad Pro 12.9

• Protector For The Screen https://amzn.to/4gvYWzC
• Best Cases For Your iPad https://amzn.to/48pnJ6y

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Step-by-Step iPad Pro 12.9 Battery Replacement Guide

Step 1: Heat and Open the iPad

Begin by applying heat evenly to the front side of the iPad using a heating pad or heat gun. Proper heating softens the adhesive holding the display.

Once heated:

• Attach a suction cup to the screen
• Gently lift the display
• Insert plastic pry tools to cut through the adhesive
• Work slowly around the edges to avoid cracking the glass

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Step 2: Separate the Display Assembly

After loosening the adhesive:

• Lift the screen from the top edge to about a 45-degree angle
• Keep the iPad body flat on the table
• Remove the screws securing the LCD connector bracket
• Disconnect both the LCD and touch connectors

The display can now be safely removed.

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Step 3: Prepare the Internal Frame

Before proceeding further:

• Remove any leftover adhesive or glass fragments from the frame
• Ensure the edges are clean and smooth
• This helps with reassembly later

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Step 4: Remove the Logic Board Bracket

To access the battery:

• Remove the screws securing the logic board bracket
• Gently unclip and lift the bracket
• Set it aside carefully

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Step 5: Remove the Logic Board

With the bracket removed:

• Disconnect the necessary connectors attached to the logic board
• Carefully lift the logic board from the housing
• Avoid flexing or twisting the board during removal

Once removed, the battery is fully exposed.

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Step 6: Remove the Faulty Battery

Battery removal requires patience and steady pressure.

• Apply controlled heat or isopropyl alcohol to soften the adhesive
• Gently pry the battery from the frame
• Lift slowly to prevent bending or puncturing the cells

⚠️ Never use sharp metal tools on the battery.

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Step 7: Install the New Battery

After removing the old battery:

• Position the new battery correctly in the frame
• Align the connector properly
• Press the battery gently into place

Ensure it sits flat and secure.

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Step 8: Reinstall the Logic Board

Return the logic board to its original position:

• Seat the board carefully
• Reconnect all previously disconnected cables
• Double-check connector alignment before proceeding

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Step 9: Reinstall the Logic Board Bracket

• Place the logic board bracket back into position
• Secure it using the original screws
• Tighten evenly to avoid stress on the board

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Step 10: Reconnect the Display

Before sealing the device:

• Reconnect the LCD and touch connectors
• Reinstall the connector bracket and screws
• Power on the iPad to test:
  • Battery charging
  • Display
  • Touch response

Proceed only if everything functions correctly.

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Step 11: Seal the Display

Once testing is complete:

• Apply B7000 glue or LCD adhesive around the frame edges
• Insert the screen from the bottom first
• Press evenly along all sides
• Use bonding clips or rubber bands to hold the display in place
• Allow sufficient time for the adhesive to cure

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Frequently Asked Questions (FAQ)

Q: How long does a replacement battery last?

A: A high-quality replacement battery should last 2–3 years with normal use.

Q: Do I need to calibrate the new battery?

A: Yes. Fully charge to 100%, then discharge below 10%, and recharge again for best accuracy.

Q: Can a swollen battery damage the iPad?

A: Yes. Swollen batteries can damage the display and internal components and should be replaced immediately.

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Troubleshooting (After The Repair)

Q: iPad doesn’t power on after battery replacement.

A: Check the battery connector and ensure the display connectors are fully seated.

Q: Battery drains quickly after replacement.

A: Allow a few full charge cycles for the battery to stabilize.

Q: Screen lifting after reassembly.

A: Apply additional adhesive and clamp the screen longer.

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Final Thoughts

You’ve now completed the iPad Pro 12.9-inch (1st Generation) battery replacement 🔋
Take your time during heating and battery removal—these steps determine the success and safety of the repair.

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Happy repairing!

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