 Less dollars, more cents. Taxes and fees apply. Requires activation of iPhone 12 and a new silver unlimited plan or higher end auto pay enrollment. $25 a month service credit applied for up to 12 months of eligibility requirements are met. For network management practices, visit straighttalk.com. I'm Kareem Abdul-Jabbar. I learned about atrial fibrillation the hard way. My symptoms would come and go. Shortness of breath, fatigue. I kept going. Then I got so lightheaded, I couldn't. My doctor said I have AFib, so I'm about five times more likely to have a stroke.