If you are trying to flash your Verykool S4009 Crystal device then I would like to suggest you to try using Smartphone flash tool (aka SP Flash Tool). SP flash tool is great flashing tool for Android. You can use this tool to flash almost any MTK (Mediatak IC) based smartphone. Try flashing any custom ROMs, stock ROMs on your Verykool S4009 Crystal Android smartphone.
SP flash tool is best firmware flashing tool available online whether it is custom ROM or stock ROM. Using SP Flash Tool, you can flash Verykool S4009 Crystal Android device (but make sure to check if it is based on Mediatek IC). Flash any custom or stock ROM over Verykool S4009 Crystal Android device. Also, do make sure that you have installed Verykool S4009 Crystal USB drivers properly on your PC before flashing any firmware file.
Find your Verykool S4009 Crystal USB drivers by using search below:
Pre-requisites before flashing Verykool S4009 Crystal:
- Battery should be charged up to 70%
- Make sure you have Verykool S4009 Crystal's USB cord available
- Download and install SP Flash tool in PC
- Since, SP flash tool we need to install MediaTek USB drivers
- Download Verykool S4009 Crystal firmware file (Scatter file + files to be flashed)
- Last but not the least, you need to take your device backup (for safety reasons)
- Once you have all the things ready above, follow the rest of flashing tutorial
Steps to flashing Verykool S4009 Crystal using SP flash tool
Follow the steps below to flash Verykool S4009 Crystal with SP flash tool:
1Download & install spflashtool.exe:
Download SP flash tool, spflashtool.exe
2Download flash recovery image:
FLashing is not easy, it take time and patience. To flash Verykool S4009 Crystal, make sure you have flash recovery image ready for your device model.
5Load Recovery Image:
Tick-box, Go to / click RECOVERY box from list and load recovery image of your Verykool S4009 Crystal device (load image from the separate window -->open)
6Recovery box must be CHECKED:
Recovery box is checked before you connect your Verykool S4009 Crystal, in recovery image location (uncheck all other boxes)
7Turn off and connect Verykool S4009 Crystal with PC:
Turn off Verykool S4009 Crystal and connect it with PC
Disclaimer: Please follow the flashing tutorials on your own risk.
If SP flash tool prompts green circle, you are done. Verykool S4009 Crystal have been flashed using SP flash tool.