Samsung i939i USB mode how to open? i939i USB Mode Opening method diagram

Source: Internet
Author: User

Because the i939i developer model is hidden, this is not the problem of this phone is Android4.1 later version of the system to hide the developer model, if you want to open it we need a simple operation.

1. Click on the "app" 0 "set" button to enter in the mobile phone standby state.



3. Then we find the "About Device" button under "Settings" and click it.




4. Then you will see in the Open interface there is a "build number" we keep clicking until "developer mode is enabled" (Samsung mobile phone is typically 7 times).




5. When you see "developer mode is enabled", I click on the "<" icon to see "Developer Options".



Tip: This operation is done only once, the developer will always be displayed without hiding, if you want to hide this option, please back up the phone's important data, and then restore it to the factory settings. (Restore factory Setting Method: "Application"-"set"-"General"-"reset"-"Restore factory settings". )

6. Then we find the "developer option" to enter, find "USB debugging" and click Open, as shown in the following figure.






7. Then will pop up about the USB related prompts, we just click "OK" to open "USB debugging" option.

All right, here we go. i939i USB mode opened successfully, as shown in the picture above, now we can connect the phone to the computer Oh, otherwise the connection is not successful OH.

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