I'm calibrating my iPhone 8 Plus' battery. Some sites say to turn the brightness all the way down while others say to turn it all the way up to drain the battery?
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Amazon.com: LCLEBM Battery for iPhone 6S Plus, New 0 Cycle Higher Capacity Li-Polymer Battery Replacement for iPhone 6S Plus Model A1634, A1687, A1699 with Complete Repair Tools Kits : Cell Phones &
![How to Use Apple's Battery Health Recalibrating Tool For iPhone | Everything You Need To Know! - YouTube How to Use Apple's Battery Health Recalibrating Tool For iPhone | Everything You Need To Know! - YouTube](https://i.ytimg.com/vi/l54hi9yolow/sddefault.jpg)