4G LTE not working on my Galaxy S20/S20+ or S20 Ultra. How to Fix No Signal issue?

A network problem is very common as a smartphone user. Every second user is facing some type of network issue with his/her device. Even the high-powered devices are plagued with this issue. While this problem is occurring to some heavy-internet users, there’s no need to worry much as the problem can likely be resolved in no time unless hardware damage is the trigger. Follow the below simple tutorial to learn how to No Signal issue on Galaxy S20/S20+ or S20 Ultra in no time.

Most of the time, problems can be solved by the error message itself. These days exceptions are handled in a very proper way. The exact issue is most of the time mentioned there only. If it is not there or you are having a problem understanding that. No need to worry, the Fix for No Signal issue on Galaxy S20/S20+ or S20 Ultra is there for you only.

Samsung Galaxy S20 series is the latest premium and flagship smartphone from Samsung. Samsung unveiled the Galaxy S20 series i.e., Galaxy S20, S20 Plus and S20 Ultra as its latest flagship family at the Galaxy Unpacked 2020 event in San Francisco, California. The Galaxy S20 series ships with Qualcomm’s latest Snapdragon 865 chipset, which features more powerful image processing, a new fifth-generation AI Engine, better power efficiency, basically everything you could ask for in a mobile processor.

Fix No Signal issue on Galaxy S20/S20+ or S20 Ultra

Verify signal strength

In a lot of network issues, poor or weak signal is to blame. If your Galaxy Note10 is showing No Service all the time recently, be sure to check how the signal bars are showing on your device. Anything lower than 3 bars is not good and can indicate a network issue.

If you are inside a building, try to go out and see if No Service goes away. If you are traveling by car, it’s possible that you may be transiting a dead spot. What you want to do is to move a known well-covered area. If No service remains, there may be an issue with your Galaxy S20/S20+/S20 Ultra. Continue troubleshooting it by following the steps below.

Check if voice calling works

Some carriers may have 4G LTE issues which can also affect other network services. Try checking if texting or voice calling is intermittent or having random issues. If they do have a problem even if there are excellent signal bars, there may be an issue with your network. You must contact your network operator for help.

Simple Reboot or Forced reboot

Well, I think you already know how to restart your phone. So just restart the device and see whether it solves the issue or not. Restarting a device is always an ultimate solution for any issue. Not only Pixel but this applies to each and every electronic device. I used to tell my mom to restart her device if she faces any issue with her smartphone.

Well if you still need to know how to restart then, here is it: Press your phone’s power button. On the screen, tap Restart.

The other way of the reboot is as follows:

Press and hold the Volume Down button.
While holding it down, press and hold the Power key.
Keep the button held for 10 seconds, it will be restarted automatically.

If this doesn’t work then head to the next method.

Rebooting your device regularly at least once every week can be beneficial. If you tend to forget things, we suggest that you configure your phone to reboot on its own. You can schedule it to do this task by doing these steps:

Open the Settings app.
Tap Device Care.
Tap the 3-dot at the top.
Select Auto restart.

Reset Network Settings

Open Settings from either Quick Nav menu or the launcher.
Scroll down and tap on General management.
Then tap on Reset.
Finally, tap on Reset network settings.
Then tap on Reset settings.
Confirm with your lock screen password when prompted.

Update to Latest Software

Open Settings from either Quick Nav menu or the launcher.
Go to the More tab, then tap on About device.
Tap on the Software update.
If a system update is available, you’ll see the option on the screen. Tap Download and Install.
If your system is up to date, you will see a message stating that the system is up to date.

That is all. You have successfully checked for a system update on your Samsung Galaxy S20 (Plus) and S20 Ultra.

Here are a few things that are needed to take care while updating your Samsung Galaxy S20 (Plus) and S20 Ultra or any device:

Your device must be connected to the internet.
Your device must have enough space to download the update.
Your device should have enough charge, more than 50% to install the update.

Verify Roaming

If you were abroad or out of coverage of your home network recently, the roaming setting must still be on. Make sure to disable it in order for your device to connect to the network normally.

Open the Settings app.
Tap Connections.
Tap Mobile networks.
Move the slider of Data roaming to the left to turn it OFF.

Change network mode

Sometimes, changing a device’s network mode from, say, 4G LTE to 3G can get rid of network problems. If you haven’t tried doing this as of this point, here are the steps to follow:

Open the Settings app.
Tap Connections.
Tap Mobile networks.
Tap Network mode and select 3G or 2G.
Restart the device and repeat steps 1-3.
Tap 4G or LTE or auto-connect to return to the original configuration.

Manually disconnect from the network

Open the Settings app.
Tap Connections.
Tap Mobile networks.
Tap Network operators.
Tap Select manually.
Wait for your device to search for networks.
Once it’s done searching, select another network to connect to. For example, if you’re on T-Mobile, pick AT&T or any other network.
Your phone will be forced to return with an error because it won’t be able to register successfully.
Afterward, select your own network again and see if your device will now be able to re-register and fix the bug.

Troubleshoot apps in Safe Mode

In case you don’t know what is safe mode, in safe mode, the system temporarily disable all third-party applications you installed on your device. By doing this we can figure out which app is occurring the problem. Follow the below step to turn Safe Mode on:

Turn OFF the device.
Press and hold your device’s Power button till the model name screen.
When the SAMSUNG logo appears on the screen, release the Power key.
Immediately after releasing the Power key, press and hold the Volume down key.
Continue to hold the Volume down key until the device finishes restarting.
Safe mode will display in the bottom left corner of the screen.
Release the Volume down key when you see Safe Mode.

After figuring out the apps which are creating the problem, follow the below steps to uninstall it(if required):

Open Settings from Launcher.
Tap on Apps.
Tap See All Apps.
Tap an app that you want to uninstall
Tap Uninstall.
Tap OK to confirm.

Clear Cache from Recovery Mode

In case you don’t know what is recovery, the first thing the bootloader rings up is the recovery. Recovery Mode refers to a special bootable partition, which contains a recovery application installed in it. And you can fix some problems with your phone. Follow the steps to clear cache from recovery mode:

Turn off your phone.
Once it is turned off. Press and hold the power/Bixby and volume down button simultaneously until the Android logo pops up.
When the green Android logo displays, release both buttons.
The Recovery screen menu will now appear
Use the Volume button to go to Wipe Cache Partition then press the Power button to confirm the selection.
Wait until your device wipes out all cache or temporary data from the system partition.
Press the Power button again to reboot the device.

This clears all the temporary data from the device. And then it works like new.

Factory Reset

Disclaimer

Factory reset will delete everything, so you want to make sure that you create a copy of your personal data such as photos, videos, documents, texts, etc. ahead of time.

Open the Settings from the launcher.
Scroll to and tap General management.
Tap Reset.
Select Factory data reset.
Tap Reset to continue.
Tap Delete All to confirm the action.

From Recovery:

Turn off your phone.
Once it is turned off. Press and hold the power/Bixby and volume down button simultaneously until the Android logo pops up.
When the green Android logo displays, release both buttons.
The Recovery screen menu will now appear
Use the Volume Down button until you are highlighting ‘Wipe data/factory reset.’
Press the Power button to select ‘Wipe data/factory reset.’
Use Volume Down to highlight Yes.
Press the Power button to confirm the action to clear your phone data.

Contact your carrier

No Service bug can be caused by an issue from your network operator so you won’t be able to fix it on your end at all. Talk to your carrier and let them check the problem if nothing is fixed after a factory reset.

Visit the Service Centre

Although it’s rare, some cases of the issues on Samsung Galaxy devices may have bad hardware as the origin. If a factory reset won’t help in fixing your issue, visit your local Samsung store or Service Center so a qualified Samsung technician can examine the hardware. If needed, they may send it in for repair or replacement.

Do you own a Galaxy Device, or any Android device and need these types of simple tutorials? Then stay tunned to GetDroidTips’ Android Tips & Tricks column because many simple tutorials for Galaxy are coming soon.

If you have any queries regarding this, the comment section always available for you.