Contact Du Mobile in Hayward
Call or text (510) 399-9777 to ask about a repair, mail-in request, unlock, device quote or Ultra Mobile activation. The Hayward shop is open Monday through Saturday from 10:00 AM to 8:00 PM and Sunday from 10:00 AM to 7:00 PM.
Provide the device model and problem when possible so the team can confirm whether an appointment, part check or inspection is the best next step.
Frequently Asked Questions
What is the Du Mobile phone number?
Call or text Du Mobile at (510) 399-9777 for repair, mail-in, unlock, device-quote, or Ultra Mobile questions.
What address should I use for an in-store visit?
Visit Du Mobile at 29625 Mission Blvd, Hayward, CA 94544. Use the contact page for directions and current visit information.
What details should I include when contacting Du Mobile?
Include the device brand and model, the symptoms, when the problem started, and whether you prefer an in-store or mail-in option. Do not send passwords or sensitive account information through a general message.
Can I book a repair appointment online?
Yes. Use the appointment page to submit the device and service details. Du Mobile can then confirm the appropriate next step.