If you want to reload the firmware of the Vodafone power tab 10" follow carefully the instructions that I'm going to give to you. Please read the instructions thoroughly and apply only the instructions that you understand. I there is anything that you don't understand feel free to comment below and we will explain in details. Read through the instructions to to the last step before you start applying the instructions. If you apply the instructions wrong you might brick your phone.
First you need a computer and download all the required files, there are three files that you need to download, first one is the firmware, the firmware is the whole android operating system that will be installed on your phone so that you can be able to use your phone. The second file that you need to download is the sp flash tool, the sp flash tool is the tool that will help you put the firmware into the phone system partition. The last file that you need to download is the vcom drivers, these drivers will help your computer recognize you Vodafone power tab in flash mode.
Download the firmware here and extract it out of the zip file into a normal folder. Again download the sp flash tool here and extract it out of the zip. Next download the vcom driver and follow the installation instructions given here. Now you have finished downloading all the required files to your computer, now switch off your tablet completely. Make sure you have a good USB cable with you that you are going to use to connect the phone to the computer.
Now open the sp flash tool extracted folder and scroll to a file named "flash_tool" and run it by double clicking it. This will run the flash tool, now click the the "scatter loading" button on the flash tool, navigate to the extracted firmware folder and select the only file you see there then click open. Now that you have finished loading the scatter file uncheck preloader from the list of files that will be flashed to your phone. Next click download and connect your phone to the computer using the USB cable. A red bar will load then followed by a yellow bar, after the yellow bar a green tick will pop up indicating that flashing is completed successfully. Remove your phone and switch it on.