The problem occurs every time the an SD function is executed after tft.begin();
I've checked the SPI clock speeds to see they where different, which their was a huge difference...
[SD card : 4,000,000] [ili9341: 40,000,000] both default values set on the .CPP files.
When attempting to increase the SD card speed, it made it impossible to start the sd card.
When lowering the clock speed on ili9341, the display worked but as only slow.
Still after setting equal clock speeds the error persists.

void setup() {

  Serial.begin(115200); 
  tft.begin();            //Initiate object Screen
  tft.fillScreen(ILI9341_RED);               //The diplay successfully works at this point
  yield();
  delay(1500);

    Serial.print("Initializing SD card...");
  if (!SD.begin(15)) {              //ili9341 screen turns white and wont respond anymore until it resets...
    Serial.println("Initialization Failed");
  }
  Serial.println("initialization done.");  //SD CARD still works and the SD card keeps working flawlessly
  tft.fillScreen(ILI9341_RED); //ili9341 screen does not respond 
  yield();
  delay(1500);
}

Hi, I've tested this code running ok on an ESP32 board with an ILI9341 LCD Display. But now I want to add SD card to it, so I need to use software SPI to control the LCD and SPI to Read from SD card. But, the software SPI is to slow. So, do you have some solution? Thanks