mobile

hi, I'm newbie in here, so I don't know where should I put this question.

I'm using LG L70 D325 running on CM12 Unofficial. since the /system partition size is small (around 571 MB) I tried to increasing it's size from this thread. previously it got me working and change my system partition from 571 MB into 1,44 GB for about 2 week but somehow, I uninstalled a wrong system application and I have to reflash CM12 all over again. when I tried to resizing the system partition, it got me stuck for 2 days (I've tried countless times) since my system partition won't resized like it used to. and I type this on fastboot :

but it got me error saying that the APPSBL partition is not available. so I look to another site and foolishly tought that my APPSBL partition is my sbl1 partition and type this :

and remove the battery. now, my phone can't turned on, can't charge, doesn't even showing any sign that it has a power even if I insert the cable data while still removing the battery (I believe this is called hard bricked). so is there any way round to make it turned on, or I have to sent it into service center? all help and advice are welcome. thanks