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Rohirm There is a firmware update to enable the 16:9 and 4:3 switching and that also fixes the DVR problems.

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pviegas There's a new update for the DVr firmware (done using SDCard upload, that solves some of the problems you mention).There's also a new firmware for the video board (to add 4:3/16:9 switchable), but you will nead a special USB tool ( https://goo.gl/jF8UiK ) and some soldering skills (to add an update cable), for the the update procedure check this video : https://www.youtube.com/watch?v=fAp4qTuEnMg

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