Auxiliary Port (Headphone Jack)
You can find a troubleshooting page of common issues here
Background and Identification
The HTC Desire 626s was released in July 2015. The phone measures 2.79 inches (70.9 mm) wide, 5.78 inches (146.9 mm) tall, and 0.33 inches (8.2mm) thick. The Speakers on the front are 3 rows of small holes. Not to be confused with its predecessor the HTC Desire 626 which has a single row of large holes for the speakers. For easier identification, look at the photo on the top of this web page. The 626s is on the left.
To find the serial number of your phone you will need to unlock it and go to your home screen. Start by pulling down the quick access tool bar. Tap on ‘settings’. Scroll down to, and tap ‘About’. Now tap ‘Phone Identity’. The serial number will be the fifth entry (att.com).