crwdns2936637:0crwdne2936637:0 crwdns2853008:0crwdne2853008:0 crwdns2918746:0crwdne2918746:0

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

crwdns2933797:0Arthur Shicrwdnd2933797:0crwdne2933797:0

crwdns2936043:0crwdne2936043:0 crwdns2933505:0crwdne2933505:0 Arthur Shi

crwdns2933769:0crwdne2933769:0
crwdns2933771:0crwdne2933771:0
crwdns2933801:0crwdne2933801:0
Introduction
Follow this guide to replace the screen and battery assembly on your Samsung Galaxy S21 Ultra with a genuine Samsung part.
***TheThis guide is written for the genuine Samsung screen and battery assembly.*** The assembly consists of the screen, battery, and frame together in one part.*** If Be sure you're replacing have the screen orright part before you begin the battery by itselfrepair.

Before you begin, check outrefer to the S21 Ultra guides ++[[Topiclink|https://www.ifixit.com/Document/WluOiq5NwWNqeoXN/Repair-Guide_Common_Eng_Rev.1.0_220720a.pdf|Samsung Galaxy S21 UltraSelf Repair document|herenew_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, ***discharge the battery below 25%***. This reduces the risk of a dangerous thermal event if the battery is accidentally damaged during the repair.
Conclusion
***To reassemble your device, follow these instructions in reverse order.***
After you've completed the repair, 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 ++[link|https://www.ifixit.com/Document/WluOiq5NwWNqeoXN/Repair-Guide_Common_Eng_Rev.1.0_220720a.pdf|follow this guide|new_window=true]++ to make sure your device is fully functional—including performing 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%20Ultra|Answers community] for help.