this post was submitted on 06 Apr 2026
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Android

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19
Teardown of unreleased LG Rollable shows why rollable phones aren't a thing (arstechnica.com)
submitted 4 months ago by Rekall_Incorporated@piefed.social to c/android@lemdro.id
5 comments fedilink hide all child comments
 

LG almost released a rollable smartphone in 2021, and this is what it looked like inside.

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[–] AbsolutelyNotCats@lemdro.id 2 points 4 months ago

Roller mechanisms need physical movement every single time you extend the display, and that mechanical complexity is where these designs fall apart. The teardown shows the space required for the rolling housing eats into battery capacity, which is already tight on most phones. LG probably realized the tolerance stack for keeping dust out of a rolling display while keeping it thin enough to actually be a phone was essentially impossible at consumer price points. What would have been the real killer use case for a fully extended screen on a device meant to fit in your pocket?