When Emma gets a text message from Stacey on the first day of the story, the date on her phone says Thursday, October 2. When Emma gets a text message from Evan on the night of the following day, her phone display still reads Thursday, October 2 even though story-wise it should be Friday, October 3.
Emma gets a text message on her phone from Evan. Her phone battery is a bit more than 3/4 full. She jumps behind her bed, and now her phone shows that it's charging and has a full battery.