Here is an instruction for you if you have problem with Bluboo x550 software! The instruction is about how to flash x550!

Do as the procedures:

1. Download this flash tool: flash tool

2. Download Bluboo X550 android 5.1 lollipop rom: Bluboo X550 android 5.1 rom

3. Extract the file of “SP_Flash_Tool_v5.1453.02.000″ and get an folder. Open this folder and launch this flash tool:

4. Extract the file of “X550_150602″ and open this file “MT6735M_Android_scatter” in flash tool, you can see it on the right of the picture below:

5. Click “Download” and them connect x550 to your computer! (Power Off x550 firstly, and make sure drive installed successfully)

6.  Then flash will launch automatically when everything is done! Look at the yellow progress bar!

7. Now you just need to wait for several minutes and after it finished, you can see it as the picture shows you!

Now you complete the flash, power on your phone and see what happened!