Dead phone after batter replacement!

Jul 6, 2019
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#1
Hi! This is Valerio from Italy. I'm experiencing a very annoying issue. I've been replacing my Z2 PRO battery, because of its short life charge. When I troed to boot up my phone didn't start, led lights noto working, no vibrations. I was pretty sure of what I was doing so I didn't backup any data. Thanks in advance for the answers.