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I've never had a problem with good old rubbing alcohol on any LCD screen I've owned in the last 20 years but there is a first time for everything. It works better than any overpriced pack of tiny pads that cost way too much. You can get a half-liter of rubbing alcohol for $1-2. I've also used Windex, not store brand and only original, no scented stuff. There is also glass cleaners that are free of any harsh chemicals that might cause streaks, usually found in the auto section. Always test on the edge/corner of the screen with a q-tip. Typically the image is not displayed all the way to the edge so there is a bit of space.
Sorry, there was a problem. Please try again later.You can find the full users manual at https://www.tclusa.com/sites/default/files/2018-09/3-Series-Roku-User-Guide_US-CA-8.1_4.pdf. On page 139, you will find information about cleaning and care. Hope this helps! Thank you, TCL Customer Support
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