With most stock versions of Android, there is one missing feature that has been seen on other factory skins of Android like OnePlus, LG, and Samsung. That is the Bluetooth device battery life indicator. I used to use a pair of Jaybirds X interchangeably with an iPhone 6S and some other Android phone. Every time I switched back to the Huawei Mate 8 I was using at the time, I would lose the ability to see how much battery I had on my Bluetooth headphones.
According to a report from XDA-Developers, Google is finally including support to get battery information from a Bluetooth device in an…