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Introduction |
| Follow this guide to replace the screen and battery assembly on your Samsung Galaxy S21 Ultra with a genuine Samsung part. | | | ***This guide is written for the genuine Samsung screen and battery assembly.*** The assembly consists of the screen, battery, and frame together in one part. Be sure you have the right part before you begin the repair. | | Before you begin, refer to the ++[linkdocument|https://www.ifixit.com/Document/RvvTQQ1vMAC41B4e/Samsung-Self-Repair-document-1.0.pdf27502|Samsung Self-Repair document|new_window=true]++ for safety information. | | | If your battery is swollen, [[What to do with a swollen battery|take appropriate precautions|new_window=true]]. Before disassembling your device, ***completely*** ***discharge the battery***. This reduces the risk of a dangerous thermal event if the battery is accidentally damaged during the repair. | | | Note: Retaining water resistance after the repair will depend on how well you reapply the adhesive, but your device will lose its IP (Ingress Protection) rating. |
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Conclusion |
***To reassemble your device, follow thesethe instructions in reverse order.*** and perform the opposite actions, e.g., "reattach" instead of "removing." Skip steps that use heating and prying, and pay close attention to the 📌 bullets as you work through the steps. | | | After you've completed the repair, download the Samsung Members App from the Galaxy Store or the Play Store, and ++[document|27502|follow the Samsung Self-Repair document]++ (beginning page 9) to make sure your device is fully functional. | | Download the ++[link|https://s3.amazonaws.com/ifixit-assets/static/standalone/samsung/GPT_GalaxyCal_release_1.0.1_usa.apk?1658807242|Galaxy Cal app|new_window=true]++ on your device and ++[linkdocument|https://www.ifixit.com/Document/RvvTQQ1vMAC41B4e/Samsung-Self-Repair-document-1.0.pdf27502|follow the Samsung Self-Repair document|new_window=true]++ (beginning page 24) to perform a battery cycle reset. | | | 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 [link|https://www.ifixit.com/Answers/Device/Samsung%20Galaxy%20S21%20Plus|Answers community] for help. |
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