Maybe in 2.50+160620 there are an issue, but again and again : "Of all three possible values (upload_max_filesize, post_max_size and max_filesize) the lowest one will be shown and used." + the settings in the upload question.
Assistance on LimeSurvey forum and LimeSurvey core development are on my free time.
I'm not a LimeSurvey GmbH member,
professional service on demand
,
plugin development
. I don't answer to private message.
