The girl on the left in the beginning who says "I can't. I just can't" is never shown removing the straw wrapper from the brim of her hat, but it goes from being there in one shot to being on the table in front of her in the next.
During the phone store scene, Chiandra, the salesperson, is going through the messages on the phone. However, the phone is not only off but she is holding it upside down. The phone's charging port and earphone jack can be seen when she is holding the phone.