Next, tap the ‘I see an USB drive, proceed’ option within the application. Method 2: Flashing via SP Flash Tool (MediaTek Devices) (Difficult) Download the SmartPhone (SP) Flash Tool on your computer. Let us look at the steps given below to learn how to flash dead Android phones using PC with the help of the SP Flash tool. My computer properly detected connecting phone to PC. Plugin on your phone with a detectable USB Cord. Click OK or Allow on any prompts showing on your Android Device. Then, you just need to open your phone's file manager and transfer files to the flash drive. Find the Scatter File from the same TWRP zip file (Or you can Download from here Stock ROM) Now in the flash tool click on the scatter file, find the scatter file in the ROM extracted folder. Connect your phone to the USB cable while holding the flash key (for example Volume down ). I was tried many methods for installing custom recovery but all faild. There are only 3 steps to flash your phone using this software. How to flash android phones using pc While holding Volume up key connect your device to PC using USB cable.