The battery draining fast seems to be a resolvable bug: https://daringfireball.net/linked/2017/12/22/glenn-iphone-slow https://daringfireball.net/linked/2017/1

The battery draining fast seems to be a resolvable bug: https://daringfireball.net/linked/2017/12/22/glenn-iphone-slow https://daringfireball.net/linked/2017/12/22/glenn-iphone-sl...