I found the way to solve issues about the device cannot turn on, I see many of you asked to support this issue and get the same answer from the provider but doesn't work right?
My X4 didn't turn on and when plugs with charger the green light always shows.
I did the same with everyone before then I left my X4 slept in the box a couple of months. I guess the battery inside was completely gone then I recharge again this time red light was showing and now it comes back to work again.
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