Step-1: Open your facebook account in Uc Browser.

Step-2: Now go to account Settings & Privacy » General » language » change your language to Bhasha Indonesia.

Step-3: Now go to your Browser Settings » Network » Proxy Server » and set proxy & port to
219.083.100.195:8080
or
118.98.35.251:8080
Note-:- If these proxies are not working go to Proxy Nova - Indonesian Proxy & copy an active Indonesian Proxy and paste it in proxy box.

Step-4: In the box below it write
m.facebook.com

Step-5: Now SAVE all the settings.

Step-6: Now go to your name change settings and enter your desired frist name and remove last name. Keep it blank.

Step-7: Confirm your password & SAVE it.

[ Now your ID is Single name with no last name ]

Step-8: Delete or inactive your proxy settings.

Step-9: Change your langauge back to English (US).

Step-10: Ab kya sab toh ho gya, ab Enjoy Kro :P :D‏ ‏ ‎

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Note-:- This Trick will work only in Java & Symbian phones. Because Android Version of UC Browser doesn't have Network Settings.