To get into bootloader:
1. Turn off ur phone.
2. Hold voice key (the key above SD card slot) and press red key (power key) until u get into the red screen. >> You are in primary bootloader now!
3. Then to get into secondary bootloader, after the above step, press voice key (try several times) until u see the screen change. It must show Bypass bla3... >> You are in secondary bootloader now!
To flash:
1. Install RSD Lite and unzip the driver.
2. Prepare the shx files and switch to secondary bootloader.
3. Connect with USB cable.
4. Windows will start to find the driver (only first), ask Windows to search the driver manually and point it to the folder where u unzip the driver.
5. Then follow the instruction and if a pop up appear, just click Continue.
6. There is few driver and repeat step 4 and 5 untill all done.
7. U will see ur phone connected in RSD Lite.
8. Select the shx files.
9. Make sure battery is fully charged.
10. Start flashing!
If success, repeat with sbf and primary bootloader.