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crwdns2944351:0crwdnd2944351:0Sony Xperia Z4 Back Cover Removalcrwdnd2944351:0crwdne2944351:0

crwdns2933797:0Tobias Isakeitcrwdnd2933797:0crwdne2933797:0

crwdns2936043:0crwdne2936043:0 crwdns2933505:0crwdne2933505:0 Tobias Isakeit

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crwdns2933771:0crwdne2933771:0
crwdns2933801:0crwdne2933801:0
Conclusion
Secure the new back cover with pre-cut adhesive or double-sided adhesive tape after cleaning the according areas with isopropyl alcohol (+90%).
To reassemble your device, follow these instructions in reverse order.
After installing the back cover, apply strong, steady pressure to your phone for several minutes to help the adhesive form a good bond, such as by placing it under a stack of heavy books.
Repair didn’t go as planned? Check out our [https://www.ifixit.com/Answers/Device/Sony%20Xperia%20Z4|Answers community] for troubleshooting help.