Enable Developer & USB Debugging:
- Go to Menu> Setting> About Deivice
- tap on "Build number" 7 times to enable developer options
- Go to Menu> Setting> Developer Option
- turn on from there "USB Debugging"
- Go back to menu, and click "Dial Icon'
- Dial " *#0808# "
- after that, Select " DM+MODEM+ADB "
- click OK
DONE.....
5 credits ang nagamit ko..
