If your phone is 3G and does not have a SIM card, you can easily update your towers by dialing *228 and choosing option 2. However, if your phone is 4G and has a SIM card, updating your roaming towers in this way can do more damage than good to your SIM card.
How can I improve my T-mobile signal?
https://www.youtube.com/watch?v=DpcXXjdTu74
What does ## 72786 do?
Special Code to Reset The Network (SCRTN) ##SCRTN# (##72786# on the phone dialpad) is the code that should be dialed to initiate the process of resetting mobile device network settings. An SCRTN is sometimes referred to as a “network reset” by industry professionals.
How do I refresh my T-mobile signal?
Turn off Wi-Fi to make sure you're using T-Mobile network. Set the device Network mode to Auto. Remove any cases or covers from the device. Update the device software to the latest version.
How do I update my T-Mobile PRL?
- Go to our device tutorial page.
- Select your device.
- Look under “Device Management”
- Follow the steps under “Update the PRL”
Can you update towers on T-Mobile?
Update your PRL for optimal network experience. We're adjusting towers across the country and this requires a PRL (Preferred Roaming List) update on your device(s). Making these changes now will enable you to have the best network experience as these changes are made.