Thunderbolt can you turn off 4g

Here's how to disable it to boost your battery life. However, as users are starting to note, you'll pay for that speed with abysmal battery life. This is even more frustrating for users who operate in areas where 4G hasn't yet been rolled out. Unfortunately, it would seem that there is no obvious way to toggle between the Thunderbolt's juice-sapping 4G mode and its more battery-friendly 3G antenna.

There is, however, a hidden menu that will let you do just that. Tap the first heading labeled "Phone Information" and scroll to a drop-down menu labeled "Set preferred network type. Anecdotal reports from around the Web report upwards of a four-fold increase in battery life for the Thunderbolt with 4G disabled.

Depending on your usage, that could mean the difference in making it through the day on a charge and being saddled with a dead battery. What to do?

The 4G network is spreading throughout the country which is great, but it's not provided in your area or you've traveled to a non-4G destination. Why not turn off the 4G and save battery life? Once you've selected CDMA auto PRL , back out of everything by clicking the back arrow on your phone next to the menu button on the bottom of the phone. Your phone is now running on 3G only and you will notice battery life improvement. Want to turn it back on? Get a lifetime subscription to VPN Unlimited for all your devices with a one-time purchase from the new Gadget Hacks Shop , and watch Hulu or Netflix without regional restrictions, increase security when browsing on public networks, and more.

Step 1 Dial in the code for the hidden menu. This will automatically enter you into the hidden menu. There's no need to hit send.