Alcatel one touch 903 unlock done by Sigmabox
Procidure
1:Select "MTK" platform from the tab menu in the upper left side of the software
2:Go to "Unlock" tab
3:Turn the phone off
4:Connect* turned off phone to PC
5:Select an appropriate virtual COM port in Sigma Software (usually the highest number)
6:Important: select "Meta" in the "MTK boot" tab
7: Press "Unlock" button and follow the instructions in the log window
8: Press and hold "Power ON" button on the phone
9:As soon as Sigma shows an appropriate message in the log window, release "Power ON" button
10:The message "Unlock done… OK" indicates that procedure was completed successfully
11: Disconnect the handset
12: Phone is unlocked

Unlock done
Procidure
1:Select "MTK" platform from the tab menu in the upper left side of the software
2:Go to "Unlock" tab
3:Turn the phone off
4:Connect* turned off phone to PC
5:Select an appropriate virtual COM port in Sigma Software (usually the highest number)
6:Important: select "Meta" in the "MTK boot" tab
7: Press "Unlock" button and follow the instructions in the log window
8: Press and hold "Power ON" button on the phone
9:As soon as Sigma shows an appropriate message in the log window, release "Power ON" button
10:The message "Unlock done… OK" indicates that procedure was completed successfully
11: Disconnect the handset
12: Phone is unlocked

Unlock done