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If your OnePlus 6T is experiencing battery drainage issues or won’t hold a charge/won’t charge, then it may be time to replace the phone’s battery.
For your safety, discharge your battery below 25% before disassembling your device. This reduces the risk of a dangerous thermal event if the battery is accidentally damaged during the repair. If your battery is swollen, take appropriate precautions.
You’ll need replacement adhesive in order to complete this repair.
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Make sure the phone is powered off and placed with the back cover facing towards you on a stable surface.
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Pop open the SIM card tray by inserting a SIM card removal tool into a small hole on the upper-left side of the phone.
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Carefully remove the SIM card from its tray.
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Loosen the binding glue within the phone using a hairdryer or an iOpener.
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crwdns2935267:0crwdne2935267:0Plastic Cards$2.99
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Insert a Jimmy under one of the heated corners of the phone to lift it slightly.
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Insert a plastic card underneath the slightly lifted lip on the back cover and gently glide the card under the lifted phone casing.
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Remove the back cover from the phone.
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Remove the single 3mm Phillips #00 screw from the battery.
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crwdns2935267:0crwdne2935267:0Tweezers$4.99
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Using tweezers, carefully remove the small metal bracket covering the battery connector.
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crwdns2935267:0crwdne2935267:0Halberd Spudger$2.99
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Using a halberd spudger, gently lift and disconnect the battery connector from the phone.
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Grab the red tab on the right hand side and pull until the battery dislodges.
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To reassemble your device, follow these instructions in reverse order.
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.
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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Grand Valley State University, Team S4-G6, DeVasto Fall 2019 crwdns2935289:0Grand Valley State University, Team S4-G6, DeVasto Fall 2019crwdne2935289:0
GVSU-DEVASTO-F19S4G6
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Does the adhesive for the back cover need to be replaced? Should I heat the phone and back glass for re-assembly?
Good questions. I think “reassembly is the reverse of these instructions" is a bit simplified. I think the heat is only for removal, but perhaps it would cause the adhesive to rebond after reassembly? Can an ifixit tech comment?
Just wondering if anyone can clarify the reattachment of the rear panel, as far as whether it is recommended, or necessary, to heat it again, or get a new adhesive gasket. Thanks.
Good question! You should replace the back cover adhesive with either a custom-cut adhesive or double-sided tape such as Tesa tape. You can choose to reheat and reuse the existing adhesive, but there may be a chance that the back cover will fall off. If you’re reusing adhesive, be sure to remove any uneven adhesive chunks.
What width Tesa tape would work for the replacement of the back cover?
