JollaC touchscreen defect (default partial multitouch)

asked 2016-07-26 22:41:14 +0300

updated 2016-07-26 22:42:28 +0300

The JollaC I received last week has a weird problem in a specific area of the touchscreen most of the time. It seems to think there are multiple inputs when I only touch it with 1 finger, and that only in a specific area (a horizontal bar almost at the bottom of the screen). The rest of the screen is functioning exactly as it should.

This schreenshot shows a little bit what happens (CSD-tool used with only 1 finger): image description

The 'surround touch'-test seems to work fine most of the time. A factory reset did not help with this problem.

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Outch! Get in contact with Jolla Care. They mentioned despite no warranty, they would be helping.

mosen ( 2016-07-26 23:37:53 +0300 )edit

Because this isn't always happening and most of the time it is not a problem for me, I still hope it is a software problem. But thanks for mentioning it, I will do that too. :-)

Xmasjos ( 2016-07-27 00:42:57 +0300 )edit

That doesn't sound good. My (1st gen) Jolla started doing something similar last week, and a reboot doesn't fix the problem. The screen suddenly and spontaneously developed a dead spot somewhere just below the middle where touches just don't register at all. It's very annoying as it makes scrolling very difficult: it either stops scrolling, or more often, thinks it's a press instead of an ongoing scroll or drag event.

I'm not familiar with hardware specifics, but I suspect some of the touch sensor hardware circuits are broken. You might have the same problem, if the problem always occurs at the some coordinates.

I'm worried because I think we can't get a working Jolla/Sailfish phone from anybody at this point...

wvh ( 2016-07-28 20:05:32 +0300 )edit