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Hi brintek. That's really strange that it won't work. I had that same barcode scanner on my Galaxy Tab 7 Plus and it worked perfectly, and also on my 10.1 inch Acer A500. I don't have any suggestions other than to be sure you hold it as still as possible when using it, and I'm sure you did that, or uninstall and reinstall to see if that would help, and maybe you tried that too. I haven't had any problems with it.