The Nexus 7 (2013) tablet experienced some annoying bugs after its launch, including GPS issues and touchscreen problems, both acknowledged by Google and supposed to have been fixed by a recent software update. However, it looks like the touchscreen issues are still there for some new Nexus 7 buyers, even after the JSS15Q update is applied (see video at the linked site below). Android Police speculates that some of these Nexus 7 units that still present touchscreen glitches may have been calibrated incorrectly – but such a problem could be solved via a second software update. However, even if a second software update is released, it may not completely fix the issue in case Asus used various touchscreen digitizer types when manufacturing the tablet. Another explanation offered for the problems is a grounding issue, which can’t be fixed with a simple software update.