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Introduction |
| Use this guide to remove or replace a defective Daughterboard including the plastic cover in your Sony Xperia Z4. | | | You’ll need replacement adhesive to reattach components when reassembling the device. | | Opening the Sony Xperia Z4 will '''damage the waterproof seals''' on the device. If you do not replace the adhesive seals, your phone will function normally but will '''lose its water protection'''. | | | Due to the phone’s design, we recommend to remove the lithium-ion battery in order to get better access to the daughterboard and its cover. However it’s possible to remove both while leaving the battery in its place. In case you’re removing the battery '''do not re-use the battery once it is removed, as doing so is a potential safety hazard.''' | | | '''Before disassembling your phone, discharge the battery below 25%'''. The battery can catch fire and/or explode if accidentally punctured, but the chances of that happening are much lower if discharged. | | | You’ll need '''replacement adhesive''' to reattach components when reassembling the device. |
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Conclusion |
| '''If possible, turn on your phone and test your repair before installing new adhesive and resealing the phone.''' | | | Secure the new battery with pre-cut adhesive or double-sided adhesive tape. In order to position it correctly, apply the new adhesive into the phone at the places where the old adhesive was located, not directly onto the battery. Press the new battery firmly into place. | | | To reassemble your device, follow these instructions in reverse order. | | | '''For optimal performance, calibrate your newly installed battery''': Charge it to 100%, and keep charging it for at least two more hours. Then, use it until it shuts off due to low battery. Finally, charge it uninterrupted to 100% | | | Take your e-waste to an [[E-Waste|R2 or e-Stewards certified recycler|new_window=true]]. | | | Repair didn’t go as planned? Check out our [https://www.ifixit.com/Answers/Device/Sony%20Xperia%20Z4|Answers community] for troubleshooting help. |
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