ANGGRA92, we always want to make sure that you are able to get the best service possible for your iPhone 8. To turn off 4G on the device, navigate to the following steps here:https://www.verizonwireless.com/support/knowledge-base-207189/ . Please let us know if this helps.
Also, so we can check the coverage in your area, please visit https://www.verizonwireless.com/featured/better-matters/#maps .
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