Hi,
You could also try turning off your phone's GPS and WiFi functions (if you do not need them at the time and if they're on, as they use a lot of power, especially GPS) and see if your battery lasts longer. Also does the camera have a 'flash' option that maybe you can turn on/off depending on whether you need it. This also drains the battery.
Does it do this when you have the charger connected and switched on?
If not, then your battery is probably starting to fail and needs to be replaced.
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3
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since LG G3 has android 6 it is no more possible to use other than original batteries. i know that sounds wired. i ve tested it
crwdns2934271:0crwdnd2934271:0 Karl5th crwdne2934271:0
I've found the exact same problem. Even when I use an alternative operating system (Cyanogenmod 13), if I have a cheap knock-off battery, even if it is charged up, using the camera will cause the phone to reboot. Using an OEM battery, or a higher quality battery, at least, seems to be the solution.
crwdns2934271:0crwdnd2934271:0 Scott Neader crwdne2934271:0