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Introduction |
| Use this guide to remove an old or worn-out battery in the Huawei Honor 9. | | | Before disassembling your phone, '''discharge the battery below 25%'''. [[What to do with a swollen battery|If your battery is swollen]], do not heat your phone. Swollen batteries can be very dangerous, so wear eye protection and exercise due caution, or take it to a professional if you're not sure how to proceed. | | | You’ll need replacement adhesive to reattach components when reassembling the device. | | | For optimal performance, [[Battery Calibration|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%. |
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