On Friday (04/21/17) afternoon I received my new Samsung Galaxy S8 plus. Quickly unboxed it, installed the Spigen case that I purchased a week ago and dived right into it.

The phone is absolutely stunning and a piece of art. The screen is gorgeous and everything that you can expect from a good Samsung AMOLED screen. As a long time iPhone user, it will take me a little bit of time to get acclimated to Android, but honestly, I think the biggest challenge will be to re-train my brain to recognize the alerts sounds as they are different from the iPhone ones. That speaks volumes on how much Android has closed the gap to the iOS devices.

So, I am enjoying my new Galaxy S8 plus, going through the options, installing my apps and familiarizing myself with the different options when I get a message that there is an update. It is 2:00AM and I decided to install it and call it a day. To my surprise, I woke up to a nasty and persistent error message on my phone. Its said “DQA keeps stopping” and the only option given was to close the app. No big deal I thought – restarted my Galaxy S8 plus but the message kept coming up. After a quick Google search I found that everyone who installed the security update is having the same issue. “DQA” is short for data quality assessment, which monitors Wi-Fi data connections. Hence the most popular “fix” for now is simply turning off Wi-Fi. This is obviously not ideal and Samsung is working on a fix, but in the meantime there are a couple of other methods you can try.

Method 1: Reboot your device

Just reboot your smartphone a couple of times and the error may not show up again. NOTE: this did not work for me!

Method 2: Clear cache using Recovery. Be careful and take your time.

  • Power down your phone and then press and hold, the power, volume up and Bixby button together.
  • On the no-command screen, hold the power key and press volume up to enter recovery.
  • Use the volume keys to move through the menu, and select Wipe cache partition option and then press power key to select.
  • Then select Yes, and press power key again. Reboot your phone.

Method 3: Disable high-performance mode

  • Open Settings
  • Search for Performance Mode and select it from the search result.
  • Change the option to Normal and apply

Method 4: Force-quite DQA app

  • First, go into Settings > Apps and tap the overflow menu.
  • Select show system apps and then find the DQA app.
  • Tap on it and then on Force Stop.

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