I have not had any issues with camera since I bought it in 2015. Have you contacted Sony for advice? I presume you have checked memory card compatibility for write speeds. I don't use the maximum mega pixel resolution and only save photos on JPEG
Hav not been told n touch with Sony, but might just do that! Have a 32g. Card, and it works well most of the time. Have reformatted it with overcoming the problem.. always save as jpg. Camera is supposed to be a very fast at saving
Other suggestion would be to go a local professional camera store and ask them for advice or look up problem on you tube in case someone has posted something helpful.
I took half a dozen or so pictures today when I was out and didn't look at them until later in the day when I returned home. The camera was in Superior Auto+ mode for some and in manual for the others. The camera was setup to save to memory card. I've had no problems with photographs up to...