AT&T GoPhone Z998 4G No-Contract Cell Phone "red flashing light power cord" Questions

red light flash on my z998 but wont turn on red light flashes but wont turn on try pulling the battery out,Just leave it out a few seconds (count of 30). And unplug power(charger) cord from your phone

my power button doesnt work and i cant power it on . How can i turn it on? i a zte when i put the power cord tho charge the phone the only thing comes on is the red light flashes

...red and the light would flash and then i wouldnt know when my battery would go flat so then the people said i must take the battery and sim out for half an hour so i did that and now the battery is ...