YUXIEMA, being on the go and having the ability to use your laptop is definitely handy, so I want to make sure you have the same capabilities. Let's begin with some troubleshooting steps. Please take out the SIM card and reset the network settings, since it will help with refreshing the network. Please power up your device in Safe Mode. This will help with determining if a third party application is causing the issue. Below are the links:
Reset Network Settings: https://www.verizonwireless.com/support/knowledge-base-205257/
Take out SIM card: https://www.verizonwireless.com/support/knowledge-base-205252/
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