Yesterday, my phone tried to do the update. Update failed. I haven't been able to get network access ever since! Last night I plugged it into my computer and updated it, but that didn't fix it. I tried the troubleshooting steps online (taking out battery and sim and putting them back in, making sure airplane mode is off, data on, etc.) I still have nothing. I don't understand what's going on or how to fix it. I know I have 4G access here. After turning airplane mode on and off, I accessed it for a hot second, but now I'm back to no service. Any clues?