Recent content by HeliTeknik

  1. HeliTeknik

    iPad mini with Retina display | Image-retention issue | Narrow color gamut

    No, just open App Store and wait for 30 sec. and switch to a gray bg. The IR last about 15 sec. I tried a longer period and the formula is like this: IR is the half of duration. For 4 min. IR last 2 min.
  2. HeliTeknik

    iPad mini with Retina display | Image-retention issue | Narrow color gamut

    Can you please give the production week of your iPad ? Klantenservice: Serienummers I have been changing my iPad rMini 32 GB LTE for the 4th time because of terrible image retention!