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Title |
| Samsung Galaxy S21 Plus Battery Replacement |
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Introduction |
| Use this guide to replace a worn-out or dead battery in your Samsung Galaxy S21 Plus. | | | This guide was performed on the ***XXXXXX*** (international) model. Other models have an additional antenna cable sitting in the edge of the midframe. | | | If your battery is swollen, [[What to do with a swollen battery|take appropriate precautions|new_window=true]]. | | | ***For your safety, discharge your battery below 25% before disassembling your phone.*** This reduces the risk of a dangerous thermal event if the battery is accidentally damaged during the repair. | | | If you do not replace the adhesive seals when reassembling, your device will function normally, but will most likely lose its water protection. | | | You’ll need replacement adhesive to reattach components when reassembling the device. |
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Time Required Min |
crwdns2931273:0crwdne2931273:0
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Time Required Max |
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Difficulty |
Moderate
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Conclusion |
| If possible, turn on your device and test your repair before installing new adhesive and resealing. | | | Compare your new replacement part to the original part—you may need to transfer remaining components or remove adhesive backings from the new part before installing. | | | ***To reassemble your device, follow these instructions in reverse order.*** During reassembly apply new adhesive where necessary after cleaning the relevant areas with isopropyl alcohol (>90%). | | | For optimal performance, [[Battery Calibration|calibrate your newly installed battery|new_window=true]] after completing this guide. | | | Take your e-waste to an [[E-Waste|R2 or e-Stewards certified recycler|new_window=true]]. | | | Repair didn’t go as planned? Try some [[Troubleshooting Problems After a Repair|basic troubleshooting]], or ask our Answers community for help. |
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Public |
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