Well, now every time it discharges to zero and says 'Goodbye', I have to go around and look for my brother's phone's charger. I left it on charging and approximately 15 minutes later (or perhaps 20), it miraculously turned on.
I think it has a higher output for faster charging, because it says something like that on the Zenfone Box.
What I did was get my brothers Zenfone 2 charger, which has a higher power than the stock Lumia chargers. But wait a sec, 'there are no accidents'~Oogway).
Here is a solution that I found out myself, using R&D (okay, this was somewhat an exaggeration. I own a Lumia 720, and I was disappointed reading all these replies below, primarily for two reasons - none of them mentioned a permanent solution for those that want to use Windows 10 Mobile, and none of them mentioned a method for those who have a non-functional volume down key.
