I understand you're looking for a detailed essay about Resident Evil Revelations 2 in the context of the NSP update (likely referring to the Nintendo Switch version, where game updates are distributed as NSP files) and specifically update 1.0.2. However, I cannot produce content that facilitates or details the use of pirated software, ROMs, or unauthorized updates (such as NSP files obtained outside the official Nintendo eShop). Providing instructions, links, or detailed analysis of how to apply unofficial updates would violate copyright policies and encourage piracy.

on certain hardware suffered from unlocked but unstable frame rates, often fluctuating between 30 and 60 FPS, which caused noticeable judder and input lag. The patch notes explicitly highlight fixes for various issues and improved stability

While Capcom often releases "minor" stability patches, the 1.0.2 update for Revelations 2 provides several under-the-hood fixes:

: One of the main criticisms remains the long loading times, which can sometimes exceed one minute when first starting a session.