The best way to protect your tablet is to use a Nokia T20 protective film. Here's a great deal that's optimised to protect your screen and is made with solid quality.

Features of this video for Nokia T20

• Excellent protection against scratches and dirt.
• Protects the screen from accidental knocks and tablet loss.
• Full Fit - The film cases the entire screen, use of a case is not recommended with the film.
• Super thin screen film of just 0.3 mm.
  
• Good quality.
• Made in a discreet design with rounded corners to fit the shape of the tablet.
• Safe 'anti-explosion' function - the protective glass will never shatter and be dangerous.
• Easy to assemble.
• Cleaning kit for the screen before mounting included.

You greatly minimise the risk of scratches and tears to the screen when using this Nokia T20 screen film , which is produced in a good quality.