As was said in the article about Receptor de TV Digital Terrestre Ekotech ZBT-670N, a display segment was not working, then send it back to the seller for exchange.
Yesterday I received the new ZBT-670N. The seller sent in the same box and with the same accessories, only the decoder was changed. This new is apparently running smoothly, including display.
Here are some new photos Receptor de TV Digital Terrestre Ekotech ZBT-670N: