Nvidia finally gave some love to its Shield Tablet when it pushed out the Android 6.0 Marshmallow software update for the device, which had been languishing on Android Lollipop since its release.

However, the upgrade to Android Marshmallow seems short-lived for the original Shield Tablet as things are not going swimmingly for early adopters of the software update.

Users of the Shield Tablet who have updated from Android 5.1.1 Lollipop to Android 6.0 Marshmallow are complaining that the upgrade affected the device's Wi-Fi connectivity.

"Hi, my tablet showed me that there is an update 4.0. I've downloaded it but when I pressed flash nothing happened. So I restarted the tablet and now there is no sign of any update at all. It [keeps] saying that [the] system is up to date even it showed me the update before," lamented an Nvidia Shield Tablet user.

As a result, Nvidia has halted the over-the-air (OTA) update to investigate why it is accidentally disabling the Wi-Fi connectivity on the Shield Tablet.

For those who have a Wi-Fi only variant of the tablet, this is a big deal. Some users even complained that on some devices the update set the MAC address to 02:00:00:00:00:00:00. Users did not even have a means to resolve this problem.

A customer care representative responded to irate users' queries and noted that "We have temporarily turned off the OTA update until we understand why a few users are losing Wi-Fi connection after updating their tablet to OTA 4.0."

The representative also suggested a temporary resolution for users who were unable to recover Wi-Fi connectivity after the update. The troubleshooting steps suggested are as follows:

Step 1: Reboot the tablet two to three times.

Step 2: If this does not work then power cycle the device three to four times. This is a complete power off.

Step 3: If the previous step is not effective either, then charge the device to 100 percent and retry steps 1 and 2 again a few times.

If all else fails, users can do a factory reset. It is advisable to back up important files before doing so.

Nvidia's rep says that several users claim that the Wi-Fi network returns and the issue is fixed once they switch off their tablet and leave it so for a few hours.

"Try leaving your tablet powered off for a few hours and then turn the device back on," the rep advises.

If the steps above do not resolve the issue, send a screenshot of the tablet's Advanced Wi-Fi Page to driverfeedback@nvidia.com.

It is not known when Nvidia will push out a permanent fix to resolve the issue, as well as resume pushing out Android Marshmallow.

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