how can i add image? what is the

Please explain properly the problem. As formulated it is impossible to help.

i can't add png image file (2.4M)

You cannot add to what ?

sometime, i can edit, but sometime i can't edit ?

Edit in which app ? Sometimes: on which conditions.

i find the reason because there is a korean in the filename

Can you post an example of a file name that causes problems? Don’t post the file, just reply here with the name.

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