Has any one heard about AMPSentrix Bettary??
 

I have an iPhone 6 Plus. After upgrade to iOS-12 and i got a battery backup issue, the battery is not working properly and I don't want to buy a new original battery because I have an old mobile phone. I heard about AMPSentrix battery but I am not sure about it, so please suggest me.

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Courtesy of WestNet Wireless
www.westnet.ca