Will 4G phones stop working?
Sophia Koch
Updated on March 16, 2026
Within the U.S., it's reasonable to assume that by the end of 2022 there will not be a single major carrier supporting 2G. The same fate awaits 3G. 4G LTE operates under a different scenario, and we can confidently say that 4G will be around for at least another decade.
Will 4G phones still work in 2022?
T-Mobile and Sprint 3G/2G/4G LTE network shutdown datesThese are January 1, 2022 for Sprint's 3G network sunset, and June 30, 2022 for the 4G LTE connections, respectively.
How long will 4G phones be supported?
Eventually, in an estimated 15 to 20 years when there are few 4G LTE devices in use, most if not all of the spectrum will be used for 5G. Dynamic spectrum sharing lets carriers use the same spectrum band for both 4G and 5G.Will 4G phones still work after 5G?
The growth of 5G networks doesn't mean 4G is going away. Mobile carriers will use existing 4G LTE networks to provide their customers' cell service well into the next decade. 5G networks will work with 4G — not outright replace it. The upshot is that 5G-capable cell phones will still use 4G technology.Will 3G phones still work in 2021?
Here's when it's happening and how you might be affected. All of the major US 3G networks are scheduled to shut down in 2022. Whether you're with AT&T, T-Mobile, or Verizon, this may affect your phone, your home alarm system, or even your car.Will 4G phones still work in 2022?
Will older phones stop working?
As a result, many older phones will be unable to make or receive calls and text messages, or use data services. It can also affect other devices that rely on 3G, including medical alert devices, tablets, smart watches, home security systems, and car tracking systems. Those devices will ultimately become obsolete.How long until 4G is phased out?
T-Mobile announced that it will finish shutting down Sprint's 3G CDMA network by March 31, 2022 and Sprint's 4G LTE network by June 30, 2022.What phones will not work in 2022?
Many cell phones, tablets, medical devices, and home security systems using 3G connectivity will be phased out in 2022. Older cell phones that use 3G won't be able to make emergency calls to 911, either. AT&T announced it will shutdown 3G by Feb. 2022.Will 5G replace 4G?
Will 5G replace 4G? 5G isn't replacing 4G any time soon. In fact, they will coexist and work together. 5G capable phones can actually use both 4G and 5G technology.How can I change my 4G phone to 5G?
Switch between 2G/3G/4G/5G - Samsung Android
- Swipe up.
- Select Settings.
- Select Connections.
- Select Mobile networks.
- Select Network mode.
- Select your preferred option.