This is a new sony ericsson unlocker tested 100% ok with C902

It is free but you need to register.
Aerix Home Page
Aerix-tool

Unlocking of Sony Ericsson A2 phones has never been so easy. Aerix is fast, reliable, intuitive and what is most important FREE software which you will love.


Full non-testpoint unlock of all Sony Ericsson A2 platform based phones
No quantity limits
Free of charge
Just register and use the software
News


Aerix website has been introduced
Aerix v0.99 re



Aerix-tool

Unlocking of Sony Ericsson A2 phones has never been so easy. Aerix is fast, reliable, intuitive and what is most important FREE software which you will love.
Features

* Full non-testpoint unlock of all Sony Ericsson A2 platform based phones
* No quantity limits
* Free of charge
* Just register and use the software

News

* Aerix website has been introduced
* Aerix v0.99 released
Aerix supports A2 platform based Sony Ericsson phones:

support:

C510
C702
C901
C902
C903

C905
G502
G705
K630
K660

K850
K858
T700
TM506
V640

W595
W705
W715
W760
W890

W902
W908
W910
W980
Z750

Z770
Z780

C510, C702, C901, C902, C903, C905
G905, G705
K630, K660, K850, K858
T700, TM506
V640
W595, W705, W715, W760, W890, W902, W908, W910, W980
Z750, Z770, Z780

http://www.ziddu.com/download/4410501/aerix.zip.html