T-Mobile Gets Ready for Tropical Storm Erika

Un-carrier offers customers tips for staying connected to friends and
family

BELLEVUE, Wash.–(BUSINESS WIRE)–With Tropical Storm Erika expected to hit the Southeast as early as
Sunday, T-Mobile’s operations and engineering teams are hard at work
actively monitoring weather patterns and preparing equipment and
supplies needed to help customers stay connected during the storm.

From readying backup generators, Cell-On-Wheels (COW) and fuel tanks to
setting up an engineering Command Center in the areas of expected
impact, T-Mobile engineers and rapid response teams are ready to
mobilize.

Additionally, T-Mobile’s Network Operation Centers (NOCs) closely manage
network traffic during natural disasters and are able to quickly switch
to the company’s back-up NOCs if needed.

But before the storm comes, here’s how T-Mobile customers can make sure
they are able to connect with friends and family, before, during and
after the storm:

  • Make sure your phone is fully charged before the storm, and have a
    plan to recharge your phone in case of a power outage, such as using
    your car charger or having a portable battery pack on hand.
  • Conserve phone battery life during power outages by utilizing your
    phone’s power save mode, reducing use of apps and turning off LTE or
    switching to airplane mode.
  • Send a text instead of calling. Text messages are more likely to get
    through during high network usage period since texts require fewer
    network resources.
  • If you have to make a call, keep your calls short so others can also
    get through. The number of calls spikes during severe weather events,
    so keep the lines free for emergency workers and your neighbors.
  • Keep your phone dry by storing it in a plastic bag or other waterproof
    covering.
  • Use Wi-Fi Calling to conserve network resources or if cellular service
    is not available. Wi-Fi Calling allows T-Mobile customers with capable
    devices to text and make and receive voice calls via any Wi-Fi
    connection.

Customers can stay up to date with the latest Tropical Storm Erika
forecasts from NOAA’s National Weather Service at weather.gov
and hurricanes.gov.
For T-Mobile Customer Care, visit www.my.t-mobile.com
or call 611 from your T-Mobile handset.

About T-Mobile US, Inc.

As America’s Un-carrier, T-Mobile US, Inc. (NYSE:TMUS) is redefining the
way consumers and businesses buy wireless services through leading
product and service innovation. The Company’s advanced nationwide 4G LTE
network delivers outstanding wireless experiences to approximately 59.1
million customers who are unwilling to compromise on quality and value.
Based in Bellevue, Washington, T-Mobile US provides services through its
subsidiaries and operates its flagship brands, T-Mobile and MetroPCS.
For more information, please visit http://www.t-mobile.com.

Contacts

Media Contacts
T-Mobile US Media Relations
MediaRelations@t-mobile.com
or
Investor
Relations

877-281-TMUS OR 212-358-3210
investor.relations@t-mobile.com

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