Google , has already released Android 7.0 Nougat software for almost all Nexus devices, with the most recent Android 7.1.1 version being made available for Nexus and Pixel. this update is causing errors in the operation of their smartphones.
Specifically, since the Nexus 6P runs on Android 7.0 Nougat, you have noticed premature shutdowns despite the battery life being at high levels. There are several consumer reports that claim that their mobile phones were turning off with 60% battery remaining. However, others claim that the shutdown was done at 10-15%, which shows that the exact problem has not yet been defined. The most worrying thing about the case is that in both cases the devices cannot be turned on again unless they are connected to their computer.
Essentially, you cannot use your phone if it is not connected to a charger, which is a serious defect that will apparently cost the company. At present, it is not known exactly how many consumers will encounter this specific malfunction.
According to sources, Nexus 6P owners are becoming increasingly frustrated with the situation as Google doesn't seem to acknowledge the seriousness of the situation. In other words, it's deeming it a low-priority issue that can be fixed in the next update.
Unfortunately, until Google developers decide to resolve the problem, there is no way to minimize it, resulting in Nexus 6Ps remaining almost useless to owners.
