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Use this guide to replace a dead or worn-out battery in your HMD Fusion phone.
Your phone's lithium-ion battery has a limited lifespan. If your phone dies quickly and doesn't hold a charge, it may be time to replace the battery.
If your battery is swollen, take appropriate precautions.
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Unplug all cables from your phone and completely power it down.
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Firmly press a SIM eject tool, bit, or straightened paper clip into the SIM card tray hole on the left edge of your phone until the tray ejects.
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Remove the SIM card tray.
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Use a T3 Torx screwdriver to remove the sixteen 5.0 mm‑long screws securing the back cover.
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Use your fingernails, or angled tweezers, to remove any stuck screws.
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Flip your phone over so the screen is facing up.
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Insert the tip of an opening pick between the back cover and frame at the SIM card tray cutout.
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Slide the opening pick along the left edge to begin unclipping the back cover.
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Continue sliding the pick around the perimeter of your phone until the back cover is fully unclipped.
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Carefully flip your phone over so the back cover is facing up.
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Lift the back cover off the frame and flip it over the left edge of your phone, laying the cover flat on your work surface.
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Use a spudger to pry up and disconnect the battery press connector.
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Use a spudger to pry up and disconnect the power button press connector.
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Remove the back cover.
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Use your fingers to carefully peel the three plastic tabs from the right side of the battery.
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With one hand, fold the two outer tabs out of the way of the battery and firmly hold them down to secure the frame.
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With your free hand, grip the center pull tab and pull straight up to fully separate the battery adhesive.
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Lay the battery over the left edge of your phone.
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Use your fingers to peel the battery's plastic film from the frame.
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Remove the battery and its film.
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Use tweezers, or your fingers, to peel the three battery adhesive strips off the frame.
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Align the new battery adhesive over the frame, making sure that the three adhesive strips overlap properly.
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Peel off the clear liner from the new battery adhesive.
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Align an edge of the adhesive with the textured surface on the frame and press it down flat.
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Use the flat end of a spudger or your fingers to press the adhesive onto the frame.
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Grip the middle pull tab on the larger blue liner and peel it off the adhesive.
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Remove the two remaining liners to expose the adhesive.
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While holding the battery over its recess, temporarily reconnect the battery connector.
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Lay the battery into its recess.
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Firmly press the battery into its recess to secure it with the adhesive.
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To reassemble your device, follow these instructions in reverse order starting with this step.
For optimal performance, calibrate your newly installed battery after reassembling your phone.
Take your e-waste to an R2 or e-Stewards certified recycler.
Repair didn’t go as planned? Try some basic troubleshooting, or ask our Answers community for help.
To reassemble your device, follow these instructions in reverse order starting with this step.
For optimal performance, calibrate your newly installed battery after reassembling your phone.
Take your e-waste to an R2 or e-Stewards certified recycler.
Repair didn’t go as planned? Try some basic troubleshooting, or ask our Answers community for help.
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A clear and thorough guide through a process that is complete lunacy for a phone that purports to be easily repairable.
