I work at a cell phone carrier store. Phones, plans, upgrades, accessories, troubleshooting. I've helped someone transfer contacts for forty-five minutes while they asked me questions about their fantasy football team. I've been yelled at for network outages I could not personally control, as though I was responsible for the structural integrity of cell towers in a three-state radius. I've seen things. But the greatest call I ever received was from a woman who came in to "figure out why her phone was lying to her." That was the phrase. Lying to her. "What do you mean, lying?" I asked. "The weather app," she said, sliding the phone across the counter. "Look at this. It says it's 74 degrees." I looked. It said 74 degrees. "And?" I said. "It is not 74 degrees outside." I had walked in from outside twenty minutes earlier. It had felt like about 74 degrees. "What temperature does it feel like to you?" I asked. "At least 80. Maybe 85." "Weather apps pull from local stations, so there might be a small variance" "It's been wrong all week." "All week in what direction?" "Always colder than it actually is." "By how much?" "A lot. Yesterday it said 68 and it was definitely 75, maybe 76." I looked at the app. It showed a seven-day forecast. I looked at the settings. Everything was normal location enabled, the right city, Fahrenheit selected. "The app seems to be configured correctly," I said. "It's lying," she said again. Calmly. Factually. "Could it be that" "I've been checking it every day. Every single day it's wrong." "Wrong by how many degrees, roughly?" "Six. Seven. Sometimes eight." "In which direction?" "It always says it's colder than it is." I looked at the phone. I looked at her. A thought was forming. "Is it possible you run a little warm?" I asked. "Some people tend to feel heat more strongly" "No," she said. "I'm very in tune with temperature." I nodded. "Could it be the time of day? Sometimes apps show the forecast for earlier in the morning" "I check it at noon." "And at noon it seems to be" "Always wrong," she said. "By about seven degrees." I updated the app. I reset the location permissions. I checked the data source a perfectly normal weather data provider used by millions of people. I showed her a second weather app. It also said 74 degrees. "That one's wrong too," she said. I looked outside through the store window. A man in shorts and a t-shirt was eating ice cream. A woman had her sunglasses on but her jacket tied around her waist. A kid was on a bike, perfectly comfortable. "Would you be open to trying a physical thermometer?" I asked, not because it was a phone-related solution, but because I had to know. She looked at me. "What do you mean?" "Like a weather station. For your home. A physical one." "I shouldn't need that. That's what the phone is for." "Right." "Fix the phone," she said. The phone was not broken. The phone was right. I updated everything that could be updated, handed it back to her, and told her to monitor it over the next few days and come back if it continued to be inaccurate. She left. She came back the following Thursday. "Still lying," she said. It was 71 degrees. She was wearing a light jacket.