Task: Identify the primary emotion conveyed in the tweet and assign it to either 'neutral or no emotion' or one or more of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best capture the tweeter's mental state.
Tweet: @rgam0rtis it's a common problem I've had with every 6 plus. having a regular 6 = not having to worry about the design flaw = working phone
This tweet contains emotions: 
optimism, sadness