Android 5.0.2 Lollipop
Screenshots for Android 5.0.2 update on LG G2 MiniXDA

LG is rolling out the Android Lollipop stock firmware upgrade for the mini model of G2.

The OTA update bearing Lollipop version 5.0.2 with build number V20a is making its way through the L2 Mini (non-branded D620r) models in Poland, Portugal and other European countries. Folks at XDA forum have confirmed the update which brings V20.

LG G2 Mini
Android 5.0.2 Lollipop update is rolling out to LG G2 Mini in EuropeXDA

"I got lollipop about 3 days ago here in sweden OTA no lag no problems its awesome and if anyone have lag just do factory reset problem solved," said a forum member.

If you are in Europe, you may manually check for the update from Settings>> About phone>> Software update>> Check now.

LG G2 Mini
Screenshots for Android 5.0.2 update on LG G2 Mini

Those who have upgraded to the new software confirmed that along with battery, the Lollipop brings system improvements.

"Battery so far is excellent, it used 3% overnight! I'm using the D620 version. Memory seems fine and multitasking has no trouble. I found a cool tweak under Accessibility > Switch Access. It allows you to remap hardware buttons" notes junior forum member Bofa32.

Source: XDA via GSMArena