Seeking help to get an OLED display to work with SSD1306 (works with U8G2)

Hi
I am trying to get a 9,96" OLED display to work with the SSD1306 library:

#define SDA 14
#define SCL 12
#define RST 16
#include <SSD1306.h>
SSD1306 display(0x3c);
does not work.

an example with the U8G2 library works:

U8G2_SSD1306_128X64_NONAME_F_SW_I2C 
u8g2(U8G2_R0,/*clock=*/12,/*data=*/14,U8X8_PIN_NONE) ;
void setup(void) { 
  u8g2.begin();

But all my code is written for the SSD1306 library.

Has anyone got a clue how to bring it to work with the SSD1306 library?
Maybe a it has a non-standard I2C address?
I could not get the address to be detected by an I2C scanner either.

Thank you
Laszlo

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