Samsung Galaxy A3, A5 and A7 All Secret Codes

All Secret Codes Of Samsung Galaxy A3, A5 and A7

1. To Check  Audio Loopback Control : *#0283#
2. To Check  Battery status ADC, RSSI reading : *#0228#
3. Secret code to Camera Firmware Update : *#34971539#
4. To Check  GSM status information : *#0011#
5. To Check  Insert Network Lock Keycode : #7465625*638*#
6. To Check  TSP / TSK firmware update : *#2663#
7. To Check  Hardware Version  : *#2222#
8. To Check  IMEI number : *#06#
9. To lock the phone: #7465625*782*Code#
10. To Check   Diagnostic configuration : *#9090#
11. To Check  Dump mode : *#9900#
12. To Check  General Test Mode : *#0*#
13. To Check  Quick Test Menu : *#7353#
14. To Check  Software and hardware info : *#12580*369#
15. To Check  View SW Version PDA, CSC, MODEM : *#1234#
16. To Check  Product code : *#272IMEI#*
17. To Check  Buyer Code, S3 CSC Code : *#272*IMEI#
18. To Change USB Settings:  *#0808#
19. To To Check  Audio Loopback Control : *#0283#
20. To To Check  software version: *#1111#
21. To reset total call time: *#22558463#
22. To Show  Camera Firmware Menu: *#34971539#