I have a lg g4 and the phone won't turn on

[Android Central Question]

So I have a lg g4 and it will randomly not turn on but the blue light keeps on flashing I've taking the battery out and put it back in also cleaned those gold things on the battery sorry don't know what there called nothing does it looks like I'm going to need an iPhone androids is not good

 

[belodion]

Back up your personal data while you still can. Check that the battery is good and if so have the phone assessed by a repairer.

Be careful: iPhones got their problems too.

 

[Rukbat]

See Backing up an Android Device to back up the phone.