Clearblue digi...... Views please

Becky • Ttc #3 started June 2014
I know we aren't  suppose to but yep I took it apart after it said "not pregnant" I'm now a week late for AF been cramping on and off like it's coming but only spotting light brown discharge! Only when I wiped this morning and yesterday morning I'm at my wits end!! ?
​I've seen some people post their darker lines after seeing this tell me what you think