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crwdns2944351:0crwdnd2944351:0Samsung Galaxy S21 Screen and Battery Assembly Replacementcrwdnd2944351:0crwdne2944351:0

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Conclusion
***To reassemble your device, follow the above stepsinstructions 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 📌's 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 ++[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 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]++ on your device and ++[document|27502|follow the Samsung Self-Repair document]++ (beginning page 24) to perform a battery cycle reset.
Take your e-waste to an [[E-Waste|R2 or e-Stewards certified recycler]].
Repair didn’t go as planned? Check out our [link|https://www.ifixit.com/Answers/Device/Samsung%20Galaxy%20S21|Answers community] for troubleshooting help.