Iphone 6 Plus keeps dying around 25% battery

[digitallegend]

I've had my iPhone 6 plus since December and never had any issues with it. the battery life has been amazing. but for the last two days its keeps shutting off around 25%. i do have the applecare+ but i don't wanna use that yet. can someone help me?

 

[nox5]

Check battery with
http://www.icopybot.com/download.htm

 

[lakaiordie]

try a restore and set up as a new device