Introduction
Follow this guide to replace a dead or worn-out battery in your HMD Pulse+ smartphone.
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.
Tools
Parts
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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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            Insert the tip of an opening pick between the back cover and frame, at the SIM card tray cutout. 
 
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            Position the opening pick straight down and slide it 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 Phillips screwdriver to remove the nine 3.6 mm‑long screws securing the motherboard cover. 
 
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            Insert an opening pick between the right edge of the motherboard cover and frame. 
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            Twist the pick to fully unclip the cover. 
 
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            Use the flat end of a spudger to pry up and disconnect the battery press connector from the bottom edge of the motherboard. 
 
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            Use the flat end of a spudger to pry up and disconnect the back cover press connector from the bottom edge of the motherboard. 
 
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            Use your fingers to carefully peel the three plastic tabs from the left side of the battery. 
 
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            With one hand, fold the clear 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 green center pull tab and pull straight up to fully separate the battery adhesive. 
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            Lay the battery over the right edge of your phone. 
 
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To reassemble your device, follow these instructions in reverse order.
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.