Are you experiencing network issues on your Samsung Galaxy S21, S21+, or S21 Ultra? Is your mobile data or Wi-Fi not working properly, or are you experiencing poor mobile network reception? Don’t worry, we’ve got some tips that could help fix such issues.
In this post, we’ve compiled a list of tips to help you troubleshoot and fix any network issues on your Samsung S21. With these solutions, you can ensure that your device is always connected and working properly.
Tips to Fix Samsung Galaxy S21 Network Issues
1. Turn airplane mode on and off
The Airplane mode trick basically works by turning Airplane Mode on for a few seconds and then turning off again. This action resets all wireless features on your device and thereby eliminating any existing flaws in the device’s network system.
To perform Airplane Mode trick, follow the steps below:
- Go to Settings
- Tap on Connections
- Tap on Airplane mode and then toggle the switch to turn the feature on for a few seconds and then turn it back off again.
This is a simple trick that can fix the Wi-Fi issue. When you forget and reconnect to a WiFi network, you are resetting the WiFi network settings which can clear any configuration error in the settings.
To forget and reconnect to a WiFi network, follow the steps below:
- Go to Settings
- Tap on Connections
- Tap on Wi-Fi
- Choose the Network
- Tap on Forget
Now go back to Settings -> Connections -> Wi-Fi and reconnect to network and check if the problem resolves.
3. Toggle SIM off and on
If your mobile data/network is not working, turning your SIM off and then back on again might help resolve the issue. To turn SIM off and turn it back on again, follow the steps below:
- Go to Settings
- Tap on Connections
- Tap on SIM card manager
- Tap on either SIM 1 or SIM 2 to toggle the switch off for a few seconds and then turn it back on again.
4. Disable 5G
If you are with a carrier or in a place where 5G is not available but your phone is set to use 5G, it will not work. Try turning 5G off and see if that helps.
To disable 5G, follow the steps below.
- Go to Settings
- Tap on Connections
- Tap on Mobile networks
- Tap on Network mode
- Select LTE/3G/2G instead of 5G/LTE/3G/2G
5. Reboot your phone and router
Random software glitches in your phone or router can also cause network issues. Try rebooting your phone and router and see if that fixes the problem. To boot your phone, follow the steps below:
- Press and hold the side button and volume down key together until the Power Menu appears.
- When the Power Menu appears, tap the “Power Off” or “Restart” button.
To restart your router, unplug the power cord from the WiFi router/modem, then wait 10-20 seconds, then plug it back in again to power up the router/modem.
6. Reset network settings
If there is a network configuration error that is causing the problem, resetting the network settings may help resolve the problem. To reset network settings, perform the following procedures:
- Go to Settings
- Tap on General management
- Tap on Reset
- Tap on Reset network settings
- Tap on Reset settings button
- Type in the passcode if prompted
- Tap Reset to confirm the reset
7. Update software
If there is a bug that is causing the connectivity problem, updating the software may help fix the problem. To check and install software updates, perform the following procedures.
- Go to Settings
- Tap on Software update
- Then tap on Download and install to download and install the update.
8. Wipe system cache partition
A corrupted system cache partition can cause all kinds of problems including network issue. Try clearing the cache partition and see if that fixes the network problem. To clear the system cache partition, perform the following steps:
- Turn off your phone
- Connect your phone to the PC via USB
- Wait until the message shows your phone is being charged
- Press and hold the Volume Up key and the Power key.
- Continue to hold both keys until Android Recovery menu options appear
- Press the Volume down key and navigate to Wipe cache partition
- Press Power key to select
- Press the Volume down key to highlight Yes, then press the Power key to select
- When the process is complete, Reboot system now is highlighted
- Press the Power key to restart the device
9. Factory reset your phone
If none of the above solutions work, you may try factory restore as the last resort. But before you do so, back up all your data and contact information as the procedure will erase them completely.
To do a factory reset, perform the following steps:
- Turn off your phone
- Connect your phone to the PC via USB
- Wait until the message shows your phone is being charged
- Press and hold the Volume Up key and the Power key.
- Continue to hold both keys until Android Recovery menu options appear
- Press the Volume down key and navigate to Wipe Data/Factory Reset
- Press Power key to select
- Press the Volume down key to highlight Factory data reset, then press the Power key to select
- When the reset process is complete, Reboot system now is highlighted
- Press the Power key to restart the device