Broadcom: Android Smartphones
Enable USB Debugging and Root
- Remove SIM card and then power the phone ON.
- Enable USB debugging on your device:
- Android 2.0-2.3.x: Settings > Applications > Development > USB Debugging
- Android 3.0- 4.1.x: Settings > Developer Options > USB Debugging.
- Android 4.2.x and higher: Settings > About Phone > Build number > Tap on "Build number" 7 times to enable developer options. Then Go to Settings>Developer Options>USB Debugging.
- Android 5.0: the same as Android 4.2.x.
- Install ADB drivers (only if the phone is connected for the first time).
- You may use this ADB driver installer if you don't have ADB driver for your phone.
- Root the smartphone, as it has to be rooted in order to be unlocked! Here are some of the solutions for rooting:
- Restart the smartphone after rooting has been completed.
It's mandatory to root device before unlock!
- Turn the rooted phone ON and wait until it fully starts up
- Connect the phone to PC using USB cable
- Select "Android ADB" platform from the tab menu in the upper left side of the software
- Go to "Unlock" tab
- Select "Adb interface" in the ports selection tab
- Press "Unlock" button
- The message "Unlock done… OK" indicates that procedure was completed successfully
- Disconnect the handset
- Phone is unlocked
It's mandatory to root device before Repair IMEI operation!
- Turn the rooted phone ON and wait until it fully starts up.
- Make sure that USB debugging is enabled on your device.
- Select "Android ADB" platform from the tab menu in the upper left side of the software.
- Go to "IMEI" tab.
- Connect the phone to PC with micro USB cable.
- Select "Adb interface" in the ports selection tab.
- Enter IMEI number in the "Phone IMEI" field.
- Press "Repair IMEI" button.
- The message "Done" indicates that procedure was completed successfully.
- Wait for the message "Restarting phone... Done" to appear in Sigma dialog window; only after that you can turn the phone off.