We happy that our first few bloggers should keep this as part of our appreciation to thanksgiving for them.the following models are freely supported,
Models :

BeeLine A100
Coral 255 -Coral 550 -Coral 555 -Coral 725 -Coral 850
SFR 114 -SFR 115 -SFR 116 -SFR 231 -SFR 232 -SFR 241 -SFR 251 -SFR 251 Messenger -SFR 261 -SFR 341 -SFR 342 -SFR 343 -SFR 344 -SFR 551 -SFR 552
Zte 547 -Zte A261 -Zte Aeon -Zte Eclipse
Zte Gn281 -Zte Gn290 -Zte Gr221 -Zte Gr230 -Zte Gr231 -Zte Gr250 -Zte Gs203 -Zte Gs213 -Zte Gx670 -Zte Gx671 -Zte Gx760 -Zte Gx761 -Zte Gx930
Zte N261 -Zte N285 -Zte N290 -Zte N295
Zte N261 -Zte R220 -Zte R221 -Zte R222 -Zte R225 -Zte R236
Zte N261 -Zte S202 -Zte Sage -Zte Sydney -Zte T202
Zte X632 -Zte X670 -Zte X672 -Zte X760 -Zte X761 -Zte X930 -Zte X960 -Zte X990 -Zte X991 -Zte Z533
Zte Urban - Zte Smile

Link : ZTE Code Calc

Procedure:
1. Type *#06# on the Zte Phone
2 Type the 15 digits in the space provided
3 click on Padlock ,thats all