1. IMEI Number Check *#06#
2. Mobile Model Check *#1234#
3. AP/CP/CSC Check *#1234#
4. Activate General Test Mode *#0*#
5. Enable Call Waiting *43#
6. Disable Call Waiting #43#
7. Enable Caller ID #31#
8. Disable Caller ID *31#
9. Check Call Forwarding *#67#
10. Open diagnostic configuration screen *#9090#
11. Service Mode *#0011#
12. Check Hardware version *#2222#
13. Check Audio loopback control *#0283#
14. Check Software and hardware version *#12580*369#
15. Check Camera firmware *#34971539#
16. Launch System Dump mode*#9900#
17. Bar all Incoming Call Off: *35*0000# 
18. Bar all Incoming Call On: #35*0000#
19. Bar all Outgoing Call Off: *33*0000# 
20. Bar all Outgoing Call ON: #33*0000#
21. Incoming SMS OFF: *35*0000*16#

    22 .  Incoming SMS ON:     #33*0000*16#

23. Call Divert Active: *21*Number#
24. Call Divert Deactivate:  #21#