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How To Fix The Samsung Galaxy S9 Mobile Data Not Working After Software Update

The #Samsung #Galaxy #S9 is the latest flagship phone of the South Korean giant that offers several outstanding features to consumers. This phone has a 5.8 inch Super AMOLED display while under the hood is a powerful Snapdragon 845 processor paired with 4GB of RAM. This phone has an advanced camera system that has a dual aperture technology making it able to take excellent photos in different lighting conditions. Although this is a solid performing device there are instances when certain issues can occur which we will be addressing today. In this latest installment of our troubleshooting series we will tackle the Galaxy S9 mobile data not working after software update issue.

If you own a Samsung Galaxy S9 or any other Android device for that matter then feel free to contact us using this form. We will be more than happy to assist you with any concern that you may have with your device. This is a free service we are offering with no strings attached. We however ask that when you do contact us try to be as detailed as possible so that an accurate assessment can be made and the correct solution can be given.  

How To Fix The Samsung Galaxy S9 Mobile Data Not Working After Software Update

Problem: I have a Samsung Galaxy S9 through Sprint that has never had any kind of data connection issues until installing the latest OS update . Now I don’t get LTE and data goes out completely often. I’ll lose all bars and there will be an x there. I’ve worked with Sprint tech support and they had me reset my profile, do a factory reset, and reselect the LTE/CDMA mobile network mode. None of those helped, so I was told to go to a Sprint repair store. Went there and they put a new sim card in. Still no LTE and data completely goes out same as before with old sim card. Any ideas? Thank you for your help!

Solution: The first thing that you will need to do in this case is to make sure that your phone is using the correct Sprint APN settings.

Access the APN settings of the S9

  • From the Home screen, swipe up on an empty spot to open the Apps tray.
  • Tap Settings > Connections > Mobile networks > Access Point Names.
  • If available, tap the T-Mobile US LTE (the bullet point fills with green). If not available, tap ADD.
  • To reset your APN settings, tap Menu (3 dots) > Reset to default.
  • Verify and update the following settings for the Data APN:

Sprint APN Settings

  • Name: Sprint
  • APN: cinet.spcs
  • Proxy: blank
  • Username: blank
  • Password: blank
  • Server: Not set
  • MMSC: blank
  • MMS Proxy: 68.28.31.7
  • MMS Port: blank
  • MCC: 234
  • MNC: 15
  • Authentication type: not set
  • APN Type: default
  • APN protocol: IPv4

In case your phone is already using the correct APN settings and it is still not getting a mobile data connection then you should backup your phone data then perform the steps listed below.

Wipe the cache partition of the S9

  • Turn off the device.
  • Press and hold the Volume Up key and the Bixby key, then press and hold the Power key.
  • When the Android logo displays, release all three keys.
  • An ‘Installing system update’ message will show for 30 – 60 seconds before the Android system recovery menu options appear.
  • Press the Volume down key several times to highlight wipe cache partition.
  • Press Power key to select.
  • Press the Volume down key to highlight yes, them and press the Power key to select.
  • When the wipe cache partition is complete, Reboot system now is highlighted.
  • Press the Power key to restart the device.

Factory reset the S9 using the hardware keys

  • Turn off the device.
  • Press and hold the Volume Up key and the Bixby key, then press and hold the Power key.
  • When the green Android logo displays, release all keys (‘Installing system update’ will show for about 30 – 60 seconds before showing the Android system recovery menu options).
  • Press the Volume down key several times to highlight ‘wipe data / factory reset’.
  • Press Power button to select.
  • Press the Volume down key until ‘Yes — delete all user data’ is highlighted.
  • Press Power button to select and start the master reset.
  • When the master reset is complete, ‘Reboot system now’ is highlighted.
  • Press the Power key to restart the device.

If the above steps fails to fix the problem then you should have the phone checked at a service center as this could already be caused by a faulty hardware component.

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