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Quick fixes to Samsung Galaxy S6 mobile data & Wi-Fi problems that occurred after Marshmallow update

Here are some of the internet-related problems reported by our readers that occurred to their Samsung Galaxy S6 (#GalaxyS6) after Android 6.0 #Marshmallow update has been rolled out.

Galaxy-S6-mobile-data-wi-fi-problems-marshmallow

I’ve covered some mobile data and Wi-Fi issues that you might also encounter in the future. So continue reading to know how to tackle them. You may click on the link to jump to a specific problem…

  1. Galaxy S6 keeps restarting every 2 minutes, wireless services lost
  2. Bogus notification alert pops up when browser is opened
  3. Galaxy S6 doesn’t display the login screen for Wi-Fi connection
  4. Galaxy S6 disconnects from Wi-Fi network and reconnects
  5. Galaxy S6 showing “No connection detected” error
  6. Mobile data connection not working with a certain SIM card
  7. Galaxy S6 Wi-Fi hotspot is working but there’s no internet connection
  8. Wi-Fi Calling option can’t be found on Galaxy S6

For other issues, visit our S6 troubleshooting page. Find problems that are similar to what you have and use the solutions we provided. If they don’t work, then fill up this questionnaire and hit submit to contact us directly. We expect you to provide all necessary information about the problem so we can help you better.


Galaxy S6 keeps restarting every 2 minutes, wireless services lost

Problem: My phone keeps restarting every 2 minutes, and in that time I am not able to get any service. I do not get internet or even 4g/3g network. I have tried all types of reboots on it even the factory reboot and have not received any results. At this point is there anything that I can do or do I simply have to get a new phone. I have had this phone for approximately two to three weeks. Is this a normal happenstance for Galaxy S6s or is it the android version that is causing this?

Troubleshooting: No, it’s never normal for a high-end smartphone to reboot on its own and the fact that wireless services won’t function in the device is because maybe there’s a serious firmware issue. So, the best troubleshooting procedure I want you to do is the master reset.

  1. Turn off your Samsung Galaxy S6.
  2. Press and hold the Volume Up, Home and Power keys together.
  3. When the device powers on and displays ‘Power on logo’, release all keys and the Android icon will appear on the screen.
  4. Wait until the Android Recovery Screen appears after about 30 seconds.
  5. Using the Volume Down key, highlight the option, ‘wipe data/factory reset’ and press the Power key to select it.
  6. Press the Vol Down button again until the option ‘Yes — delete all user data’ is highlighted and then press the Power key to select it.
  7. After the reset is complete, highlight ‘Reboot system now’ and hit the Power key to restart the phone.

If the problem persists, it’s time you talked with your provider and negotiate a replacement; it’s a device problem.

Bogus notification alert pops up when browser is opened

Problem: When we open the browser, a pop up appears saying “This page at notificalerts.com says: warning, this Samsung Galaxy S6 is corrupted with a virus and the battery has been damaged. System has detected 4 virus causing serious damage to your battery, and must be removed and fixed immediately. Continue with instructions to fix phone. do not close window. exit at your own risk.” And we cannot close the window after this. Please assist.

Solution: I’m not sure what web browser you’re using but you can easily close it by tapping the Recent apps button, finding the app and swiping it right or left. Don’t worry, the notification is a bogus alert and it only wants you to download a certain app that once installed on your phone, will create even more pop ups. You may also clear the cache and the data of the web browser you’re using to get rid of anything that may trigger the ad.

Galaxy S6 doesn’t display the login screen for Wi-Fi connection

Problem: I travel a lot. Without fail, whenever I go to connect to the hotel Wi-Fi, I select the  wifi but the password/log in page never appears. My phone will even display that im “connected”,  but just get the spinning wheel of death when I try to go to any site. At the same time, I can connect to my iPad and the log in page appears. So its not a hotel issue, its a Samsung/Android issue. Had same issues with my S4. Can’t someone figure this out?

Troubleshooting: You may have already connected to the network before and saved the SSID and password that’s a single tap will automatically connect your phone to the network. Try to “Forget” the network and let the phone detect and reconnect to it. You should be prompted to enter the password this time.

Galaxy S6 disconnects from Wi-Fi network and reconnects

Problem: Hello. I have the S6 Gold 64gb. Every time I’m connected to Wi-Fi it disconnects and reconnects again… every 30 min. I also noticed when I use mobile data (4g) I got notification from some apps “connection error.” I have the SM-G920F version SIM free. Can you help me to resolve this issue? Thanks.

Solution: The phone automatically switches between networks when Smart Network Switch feature is enabled. Turn it off and the problem will be fixed. But your issue with the mobile data may need intervention from your provider–the APN may need to be re-setup. Here’s how you disable Smart Network Switch…

  1. Swipe down from the top of the screen with one finger.
  2. Tap the Settings icon on the upper-right corner.
  3. Tap the WiFi icon.
  4. Tap the Menu icon on the upper-right corner of the screen.
  5. Choose Advanced from the drop down.
  6. Uncheck the box next to “Smart network switch.”

Galaxy S6 showing “No connection detected” error

Problem: I just noticed last night that a message keeps popping up that says ‘No connection detected. Try again later.’ Both when I’m connected via Wi-Fi and mobile data even though my connection is perfectly fine. I tried to search the net on ways how to fix it. I change the date/time, cleared the cache and re-install my Gmail account but none of those worked. I hope you can help me solve this problem. Thanks!

Troubleshooting: You should know what app is showing this error because it might be just an exclusive app problem. You should also know how frequent it happens. Closely observation is key to fixing this problem.

Just in case both Wi-Fi and mobile data are enabled in your phone, try turning Smart network switch off to see if it still happens. There’s a chance that this issue occurs every time the phone switches between networks.

Mobile data connection not working with a certain SIM card

Problem: Internet does not work when my MTN SIM card is inserted.  There is no notification (H+ or 3G) at the top right hand side. However, when other carriers (Etisalat and Airtel) are put into the phone it works as expected. In simple terms, it is a selective device even though it is open to all networks. This issue only started about 1 month after purchasing the S6.

Solution: When you insert that SIM card you’re having problem with, make sure you also change the default APN in your phone. If the issue still persists after, then call the provider and re-setup the APN. That should do it.

Galaxy S6 Wi-Fi hotspot is working but there’s no internet connection

Problem: I just purchased my Galaxy S6 yesterday.  It is showing a hot spot connection to my galaxy Pad.  My Pad shows it is connected to my wifi hotspot.  But I can not access the internet on my Pad as it says i have no connection to the server.  I have done the soft restarts and ran the advanced task killer.  Any advice would be greatly appreciated.

Answer: Your Galaxy S6 should have an active internet connection through mobile data so it can “share” it to your Pad. That said, make sure mobile data is enabled and if there’s still a connection problem, then call your provider and have the APN setup on your device.

Wi-Fi Calling option can’t be found on Galaxy S6

Problem: I want to enable Wi-Fi calling and have seen tutorials that show how to turn it on going to Settings > Applications > Phone and then scrolling to the bottom to see Wi-Fi calling and switching it on. Unfortunately the last option I have is vibrate under the subcategory  voicemail and I’m not sure how to make the option appear. I have installed the latest software. Please help.

Answer: It only means one thing–your service provider doesn’t offer Wi-Fi Calling. That’s the reason why there’s no option to enable the feature on your device.

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