Oppo Secret Codes

1) *#800# - Enter Engineering
       mode
2) *#801# - Enter switch test
       mode
3) *#802# - Enter
       automatically engineering
       TTFF GPS test mode
4) *#803# - Enter Engineering
        networks test mode
5) *#804# - automatic
        disconnect test mode
6) *#805# - engineering
        Bluetooth test mode
7) *#806# - engineering
        aging test mode
8) *#807# - Enter Engineering
         test mode
9) *#808# - Enter manual
         engineering test mode
10) *#809# - Enter
         Engineering echo test
         mode
11) *#888# - view hardware
         Pcb versions
12) *#900# - test
         photographs RBG
13) *#99# - screen light long
          bright
14) *#6776# - machine info
15) *#1234# - view software
           details
16) *#36446337# - test
            function introduction
17) *#06# - check IMEI
            number