How to Fix Samsung S22 Ultra No Signal or Network Problem

Why is there no Signal or Network Issue on Samsung Galaxy S22 Ultra?

There can be multiple possible reasons behind the network signal issue on your Samsung Galaxy S22 Ultra device such as networking server issues, incorrect network settings on the handset, problems with the physical SIM card, physical damage inside the phone’s hardware like an antenna, water damage, software glitch or bug, issues with the APN settings or mobile operator, etc.

Though it’s difficult to ensure what’s actually causing such an issue, there is nothing to worry. Sometimes a temporary system or networking glitch on the device can show a ‘No Signal’ notification on the status bar that can be easily fixed.

How to Fix Samsung S22 Ultra No Signal or Network Problem

Fortunately, a couple of troubleshooting methods mentioned below can help you fix networking-related issues on your Samsung Galaxy S22 Ultra device.

1. Force Reboot the Device

First, forcefully restarting the smartphone can fix the temporary system glitch or cache data issue. To do so:

• Press the Volume Down + Power buttons for at least 10 seconds.
• It will forcefully shut down your device and power it on again.
• Once the Samsung boot logo appears on the screen, release both keys.
• Now, wait for the device to boot up and check for the issue again.

2. Turn On and Off Airplane Mode

You’ll need to pull down the notification panel to switch on/off the Airplane mode easily. Otherwise, you can try following the steps below to turn on & off the Airplane mode on the Samsung Galaxy S22 Ultra device.

• Go to the Settings menu > Tap on Connections.
• Tap on Airplane mode > Make sure to Turn On the toggle.
• Now, please wait for a couple of seconds > Then Turn it Off.

3. Set Preferred Mobile Network on your Samsung Device

The ‘No Service’ or ‘No Signal’ error on your Samsung Galaxy S22 Ultra smartphone can sometimes occur due to the incorrect mobile network preference. You can follow the steps below manually to set the preferred mobile network on your Samsung device.

• Open the Settings menu > Tap on Connections.
• Tap on Mobile networks > Select Network operators.
• Now, the device will start searching for all the available networks in your locality.
• Once you can see your network provider, select it manually.
• Finally, reboot the device to apply changes.

4. Turn On and Off Data Roaming

Data Roaming occurs whenever your smartphone disconnects from your carrier’s network and connects to another network. So, roaming eventually allows you to make calls, send texts, and use wireless data even when you’re outside your network’s reachability across the country. However, sometimes data roaming feature can cause networking issues in some localities. At the same time, data roaming can also result in additional charges if in use. You should try turning it on for a while and then turning it off by following the steps below.

• Head over to the Settings menu > Tap on Connections.
• Tap on Mobile networks > Tap on Data roaming to turn it on.
• Now, wait for the device to get into the network coverage.
• Once done, you can turn off Data roaming.

5. Remove and Reinsert the SIM Card

Another thing you can do is remove and reinsert the SIM card physically on your handset because sometimes, loose connectivity or placement of the SIM card can cause several issues with the networking signal. Make sure to gently eject and reinsert the SIM card to avoid damage. Once inserted, follow the steps below to enable SIM or USIM card to activate it.

• Go to Settings > Tap on Connections.
• Choose SIM card manager > Tap one or both switches to activate the SIM or USIM cards.

6. Set Network Operator to Automatic

Setting the network operator to automatic mode is also worth mentioning by following the steps below. You should always do it after inserting the SIM card into the device to set the automatic network operator. To do this:

• Go to the Settings menu > Tap on Connections.
• Select Mobile networks > Tap on Network mode.
• Select LTE/3G/2G (auto connect) from the drop-down menu.
• Tap on Network operators > Make sure to Select automatically. [If it’s already selected automatically, turn it off & on again]

7. Run Ping Test via Samsung Service Mode

You should also try running the ping test on your Samsung Galaxy S22 Ultra device via the Samsung Service Mode by following the steps below.

• Open the Dialer app on your phone.
• Enter the *#*#4636#*#* code.
• Enter into the Service mode > Tap on the Device information option.
• Now, tap on the Run Ping test > The radio option will be available at the bottom.
• Check whether it’s turned on or off. Press the button next to it to turn on the radio.
• You’ll be prompted to restart the device > Tap on Reboot and check for the issue.

8. Update the APN Settings on the Device

APN (Access Point Name) Settings include multiple information related to the data connection, MMS, etc, on your mobile device. You can follow the steps below to correctly set or update the APN settings according to your cellular network.

• Navigate to Settings > Tap on Connections.
• Tap on Mobile networks > Select Access Point Names.
• Now, tap on More (3 dots) > Tap on Reset to Default.
• Enter the new APN Settings and reboot the device to apply changes.

Note: After inserting the SIM card on the device, your cellular operator automatically sends APN settings to configure widely on your handset via text message. Just open the text message and tap on the configuration to auto-save it.

9. Check for the System Software Update

In some cases, updating the software version can easily resolve multiple issues with the system glitch or cache data issue. To do that:

• Open the Settings app > Scroll down to the bottom.
• Tap on Software update > Tap on Check for Updates.
• If there is an update available, make sure to tap on Download and Install.
• Now, you’ll need to wait for the device to finish the updating process.
• Once done, your handset will reboot automatically to the system.

10. Clear Cache and Storage Data of SIM Card Manager

You can also try clearing the cache and storage data of SIM Card Manager by following the steps below to ensure there is no temporary glitch present on the device.

• Navigate to Settings > Tap on Apps.
• Tap on the Menu icon (3 dots) on the top right side.
• Tap on Show System Apps from the drop-down list.
• Search for SIM Card Manager and open it from the list of applications.
• Tap on Storage > Tap on Clear Cache.
• Once done, make sure to tap on Clear Data. If prompted, confirm it.

11. Close all background apps

It’s also recommended to close all the background running applications on your Galaxy S22 Ultra because some apps or services may silently run in the background without notifying you. Background tasks not only consume bandwidth but also eat up system resources too.

• From the Home screen, tap on the Recent Apps key to view all apps still running in the background.
• Tap on Close All to end or force close all background apps.

You can also try following the steps below to prominently clean the background running apps. To do so:

• Open the Settings app on your Galaxy S22 Ultra.
• Tap on Battery and Device Care > Tap on Optimize Now.
• Open the Settings app again > Go to Battery and Device Care.
• Go to Memory > Select the background apps that you want to close.
• Now, select Clean Now > Reboot the device to apply changes.

12. Try Wiping Cache Partition

You can try wiping out the cache partition on your Samsung device by following the steps below which will help to delete corrupted or overloaded cache partition. It’ll improve the system performance and reduces app crashes or service issues.

• Just press and hold the Power button on the device and select Power Off.
• Now, press and hold the Power + Volume keys for a few seconds until your device boots into the Stock Recovery Mode.
• Once your device booted into the Stock Recovery Mode, you can use the Volume keys to navigate & highlight options.
• Highlight the Wipe Cache Partition option > Press the Power key to confirm/select it.
• Now, use the Volume keys again to highlight YES > Press the Power key to select/confirm it.
• Your device will start deleting the cache partition data. So, wait for the process to complete.
• Finally, restart the device in the system, and check for the issue again.

13. Reset the Network Settings

If the above methods didn’t come in handy, then follow the steps below to reset the network settings on your Galaxy device. It’ll help the device regain network access from the cellular operator.

Please Note: Resetting the network settings on your device will wipe out the configured network settings such as Wi-Fi passwords, etc. So, you can try checking for the Wi-Fi passwords before following the steps below.

• Open the Settings menu > Tap on General Management.
• Tap on Reset > Select Reset Network Settings.
• Now, tap on Reset Settings > If prompted, enter your PIN, password, or pattern.
• Tap on Reset Settings and confirm it.
• Wait for the reset process and then reboot the device to apply changes.

14. Check for Corrupted or Unknown IMEI Number

The ‘No Service’ error on your Samsung Galaxy device may occur sometimes due to a null or unknown IMEI number. Sometimes corrupted IMEI number on the device might trouble you a lot. By following the steps below, you’ll be able to check for the same issue.

• Go to the Dialer app and enter the *#06# code to show up the IMEI number of the device.
  • If in case, it shows ‘Null’, that means the IMEI number is somehow corrupted.
• Now, type *#197328640# or *#*#197328640#*#* on the Dialer app.
• Make sure to select the ‘Common’ option.
• Select the #1 Field Test Mode (FTM) option and turn it OFF.
• This process will restore the IMEI number.
• Go back to the key input > Select Option 2 to turn Off FTM.
• Now, remove the SIM card from the device.
• Wait for at least 2 minutes and then re-insert the SIM card.
• Ensure to reboot the device and type *#197328640# on the Dialer app.
• Select Debug screen > Choose Phone control > Select Nas control > Select RRC > Choose RRC revision.
• Now, select Option 5 > Make sure to restart your phone to apply changes.

15. Perform a Factory Reset

If none of the methods worked for you then make sure to perform a factory reset method on your Samsung Galaxy S22 Ultra device by following the steps below. You’ll be able to easily clear out all the possible glitches or cache data issues or system bugs, etc on the device. To do this:

• Make sure to take a full data backup on the device before resetting it. Otherwise, you’ll lose your important data for sure like contacts, text messages, documents, or media files on the internal storage, etc.
• Once done, launch the Settings app on your device.
• Tap on General Management > Select Reset.
• Next, select Factory Data Reset > Select Reset.
• Tap on Delete All and wait for the process to be completed as it may take some time.
  • If it asks for a device password/pin/pattern then enter the same to confirm.
• Once done, your device will boot to the system automatically.
• Finally, go through the initial setup process, and start using your device.

That’s it, guys. We assume this guide was helpful to you. For further queries, you can comment below.