These are some common tools used to work on this device. You might not need every tool for every procedure.
For more information regarding troubleshooting issues, check out the link provided: Blue Studio Selfie Troubleshooting Page
The BLU Studio Selfie model S070Q was first released in April of 2015. The BLU Studio Selfie features a bright 5” touch screen, and a dual SIM card slot so you do not have to worry about exchanging SIM cards. The BLU Studio Selfie is designed to fit in the palm of your hand for the best camera user experience. BLU Studio Selfie is user friendly and runs on Android V5.1 Lollipop. The Studio Selfie can handle many simultaneous processes with ease because of its 1.3GHz Quad-Core Processor.
Here you can contact Blu customer support
This is where you can purchase Parts for your phone.
If you're looking for a good forum to pose any questions about your phone, check here.