Phone not booting up

Ashish45

New member
Aug 25, 2017
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I'm currently using Asus ZenFone2 Laser(ZE550KL) on Android 5.0.2
Build 1.17.40.1531_20160428

My phone was working fine on this version since more than a year. But a couple of weeks ago, problem started.

Before going to sleep, I have approx 60-70 percent battery left and I keep my phone switched on.
But when I wake after 6 hours of sleep, phone is switched off and doesn't boot.*It boots up 10-15 minutes after I keep it on charging.
Same thing happens if i switched off phone before going to sleep.

Battery works fine, no issues in phone during day

I tried factory reset but it did not helped.
Is it a hardware problem?

After some days, I'm now also having trouble charging my phone. Sometimes it charges, sometimes it don't.