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Update T500XXU2ATK3 on Galaxy Tab A7 10.4 (2020) SM-T500 breaks touch screen inputs intermittently

(Topic created: 01-23-2021 07:28 AM)
RobP3
Constellation
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Tablets

The latest update T500XXU2ATK3 (EUX) on the Tab A7 SM-T500 renders the tablet unusable since it makes the touch screen stop recognizing inputs intermittenty for a few seconds every time.

 

This issue appears after updating via OTA from T500XXU2ATJ6 (a 300mb update), doesn't get fixed after a factory reset, but also happens on a brand new install of the whole T500XXU2ATK3 firmware right from the first screen after boot where I have to choose a language.

 

After reinstalling T500XXU2ATJ6 the tablet works perfectly, so it's not a hardware issue.

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Solution
SamsungAl
Samsung Moderator
Samsung Moderator
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This forum is for the support of US products and customers. As your product is a non-US model and support for these models is very limited, please seek a support team for your area. You can do so by using this link: http://www.samsung.com/visitcountry  Thanks!


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nology
Asteroid
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How did you reinstall T500XXU2ATJ6?

I want to go back to an older firmware as well. I'm having black screen issues while watching full screen video. @RobP3 

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RobP3
Constellation
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I've sent you a message since I'm not sure if you can talk about certain tools in here. (even if you're not altering the OS at all)

nology
Asteroid
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Thanks for your post and pm! 

My tablet is back to normal now after downgrading to T500XXU2ATJ6. I can watch fullscreen video and play games without the screen flickering to black! 

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