Huawei Mate 10, Mate 10 Pro, Mate 10 Lite, P20 Pro or P30 Pro Replacem
Huawei P20 Back cover and battery replacement - YouTube
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Tech Revival - Huawei P20 Pro Battery Replacement As you can see, this battery desperately needed replacing as it had badly swollen, pushing the rear glass panel out away from the frame!
New Replacement Battery For Huawei P20,Honor 10 HB396285ECW 3400mAh | eBay
Back Battery Cover Replacement Huawei P20 Lite - New Battery Back Cover Glass Rear - Aliexpress