I am in the US. I bought one from ebay and then fixed it myself. Did not have to open the phone for this.
There are many products on ebay. I bought this one -
Product link:
http://www.ebay.com/itm/Replacement-Blac...
There were no instructions, but I contacted the seller and they told me how to.
Use a hair dryer to warm the tape under the bezel. Then use a cutter or thin knife with light force to cut off the adhesive at the edge of the lens.
P.S: Be careful with the tape that is provided. First remove the central circle so that you are left with just the donut. use a pair of tweezers for best results.
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