Introduction
Use this guide to remove an old or worn-out battery in the Huawei Honor 9.
Before disassembling your phone, discharge the battery below 25%. If your battery is swollen, do not heat your phone. Swollen batteries can be very dangerous, so wear eye protection and exercise due caution, or take it to a professional if you're not sure how to proceed.
You’ll need replacement adhesive to reattach components when reassembling the device.
For optimal performance, calibrate your newly installed battery: Charge it to 100%, and keep charging it for at least two more hours. Then, use it until it shuts off due to low battery. Finally, charge it uninterrupted to 100%.
What you need
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Switch off your phone.
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Heat an iOpener and apply it to the back of the phone for around two minutes. This will help soften the adhesive securing the rear glass.
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You might need to reheat and reapply the iOpener several times during the rear glass removal.
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Secure a suction handle to the lower edge of the rear glass, as close to the edge as possible.
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Lift the rear glass with the suction cup to create a gap between the glass and the frame.
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Insert an opening pick into the gap.
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Slide the opening pick to the bottom right corner.
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Insert a second opening pick and slide it to the bottom left corner.
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Leave the opening picks in place to prevent the adhesive from resealing.
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Insert a third opening pick at the bottom left corner.
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Start to slide the tip of the opening pick from the bottom left corner along the side of the Huawei Honor 9 to cut the adhesive.
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Leave the opening pick in its place at the top left corner to prevent the adhesive from resealing.
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Insert a fourth opening pick under the top left corner of the rear glass.
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Slide the opening pick along the top edge of the phone to cut the adhesive.
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Leave the opening pick in the top right corner to prevent the adhesive from resealing.
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Insert a fifth opening pick at the top right corner of the phone.
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Slide the opening pick along the right side to cut the remaining adhesive.
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Carefully lift the rear glass and remove it.
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Secure the new rear glass with pre-cut adhesive or double-sided adhesive tape.
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After installing the rear glass, apply strong, steady pressure to your phone for several minutes to help the adhesive form a good bond, such as by placing it under a stack of heavy books.
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Remove the three Phillips #00 screws (3.45 mm length).
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Remove the five Phillips #00 screws (2.9 mm length).
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Carefully peel up the black thermal foil and remove it completely.
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Remove the Phillips #00 screw that is located underneath the thermal foil at the bottom center of the motherboard.
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Slide an opening pick under the right side of the motherboard shield.
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Twist the opening pick sideways to release the clips that hold the shield in place.
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Repeat the previous process and work your way around the motherboard shield until it pops out.
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Apply an iOpener to the center of the display, to loosen the adhesive beneath the battery.
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Display flex cable
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Interconnect flex cable
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Insert the flat end of a spudger at the top right corner of the battery where the flex cable is located and start to pry the battery up.
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Work your way down the right side of the battery and loosen the adhesive with the spudger.
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Insert the flat end of a spudger at the top left corner of the battery and pry the battery up.
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Insert an opening pick or plastic card between the frame and the battery.
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Cut any remaining adhesive underneath the battery.
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Pry up the battery until you can get a good grip.
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