SSD1306 OLED SPI not working

Other Hardware Displays
1

Hi,
I have a 0,96" OLED SSD1306 SPI display, but it's kinda weird - it is 4w SPI (has DC), but has no CS.

So for the question - I used the Adafruit SSD1306 library example and it worked just fine, fut afer like an hour of experimenting (with other codes too), it started showing some junk in places (not the whole display). After a week or so it isn't showing anything. I tried Adafruit SSD1306 and u8g2lib with no luck. Any idea what's wrong? Did I brick it?

Using Arduino UNO clone the whole time.

Here are some photos of it:

pinout
pinout1920×1440 127 KB
Back side
Back side1920×1440 164 KB

Thanks!

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