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Service Features

Providing Everything You Need

Mobile Customer

Do you have a 5G capable device?

5G is more of an advanced generation compared to 4G & 4G LTE.

Obsidian Mobile offers 5G to over 90% the US population. Broader coverage, faster speeds, and greater signal strength are now available to more than 200 million people coast to coast.

Mobile HotSpot

Set up your device as a Mobile Hotspot so you can share your data connection with other devices.* Check Plan details for Hotspot.

How to Turn On Your Hotspot


  • From the Home screen, tap Settings

  • Tap Personal Hotspot

  • Tap or slide the Allow Others to Join switch to ON


  • From the Home screen, swipe up to view your apps and tap Settings

  • Tap Connections and choose Mobile Hotspot and Tethering

  • Tap or slide the Mobile Hotspot switch to ON

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Wi-Fi Calling and Texting

When you’re in a place that has weak or no mobile network coverage, like a basement, you may be able to make and receive calls and texts over a Wi-Fi network with your Obsidian Mobile phone number. Wi-Fi calling can be used in Flash Mobile’s coverage area and from most international countries.

How to Turn On Your Hotspot


  • From the Home screen, tap Settings

  • Scroll down and tap Phone

  • Under My Number, choose Wi-Fi Calling

  • Tap or slide the Wi-Fi Calling on This iPhone switch to ON

  • On the pop-up screen, tap Enable


  • From the Home screen, navigate to and open the Phone app.

  • Tap More Options - the three vertical dots on the right side of the Search Field

  • Tap Settings

  • Tap or slide the Wi-Fi Calling switch to ON

International Calling & Texting 

Enjoy FREE international calling and texting to Mexico and Canada with all Obsidian Mobile plans. Obsidian Mobile’s Unlimited International Calling Plan includes unlimited calls from anywhere in the US and 204+ countries and destinations for only $10 per month.

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