Get stuck with my vandroid E1C

[AC Question]

I have problem with this phone, i trying factory reset and wipe all data and success and than pop up some word reboot system now and booting downloader, so my fall i choose booting downloader so stuck with fastboot mode loading with black screen background, i push power button for 20 sec nothing response, and down/up same too. I want to pull battery thats cannot because non removable battery, so what must i do now? Waiting battery is low and restart automatically or you have best way please help me

 

[belodion]

Have you tried pressing and holding Power until the phone shuts down, or doing the same with Power and Volume Down together? It may take more than 20s.