First, you need to look for the volume down & power button, and then press the & hold the volume down & the power button at the same time and wait unless the Galaxy S9 has fully rebooted. Join Verizon Wireless Customer Service 1-888-676-1999 to get more information from the support executives. They will offer more information. https://www.monktech.net/verizon-wireless-customer-service-phone-number.html
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