The seller of the Cam (labled 5.2.8 and 5.2.0 ML inside) wrote me: "Do not try to change the camera's firmware. The results will be bad."
I'll let out my hands off for now.
I've got a new 2332 labled 5.2.8 and 5.2.0 ML inside.
The calcutated Checksum in the unchanged mtdblock5/6 is not the same as the stored one.
The language flag is "66" :confused:
On my "old" 2332 labled 5.2.0 and 5.2.0 ML inside is everything ok.