How to Fix Galaxy Z Fold 3 Mobile Data/Wi-Fi Issues

Having network issue on your Samsung Galaxy Z Fold 3? The common network issues range from Mobile data and Wi-Fi not working to poor mobile network reception among others.

If you are experiencing network related issues on your Galaxy Z Fold 3 device, there are a few things that you can try that might help fix the problem.

The following are some effective solutions you can use to troubleshoot and fix network issues on your Samsung Galaxy Z Fold 3. Read on!

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Tips to Fix Galaxy Z Fold 3 Mobile Data/Wi-Fi 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 this trick, here’s how to do that:

  • Go to Settings
  • Tap on Connections
  • Tap on Airplane mode and then toggle the switch to turn it on for a few seconds and then turn it back off again.

2. Forget and reconnect to network

This is a simple trick that can fix Wi-Fi connection issue. When you forget and reconnect to a WiFi network, you are primarily resetting the WiFi network settings which could 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, try turning your SIM off and then back on again. This may help resolve the issue by reactivating the SIM. 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. Turn 5G off

If you are with a carrier or in a place where 5G network is not available but your device 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

Sometimes, random system glitches can cause network issue. Try rebooting both your phone and router one after the other to clear the glitch and see if that fixes the problem. To reboot 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 reboot 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

A network configuration error can also be the cause of the issue. Try resetting the network settings and see if that 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

6. 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.

7. Wipe system cache partition

If there is an error in the system cache, it can cause network malfunction. Try clearing the system cache partition and see if that fixes the problem. Doing this will rebuilt the cache files and eliminate any cache error that may be causing the issue. To wipe 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

8. 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