No firmware is perfect. The Fixers team has been transparent about three minor issues in the First Change -S2 v2.12 release:
Security is paramount. First Change -S2 v2.12- By Fixers introduces a “Game Mode” for the firewall that reduces Layer 7 inspection overhead by 65%. Gamers and streamers will notice lower jitter, while the firewall remains active against DDoS attempts.
Given that LineageOS 14.1 (Android 7.1) also exists for the Galaxy S II, why would a user opt for First Change -S2 v2.12- By Fixers? The answer lies in the target audience. LineageOS aims for pure AOSP minimalism. In contrast, Fixers prioritize performance tuning and battery life. Key differentiators include:
Furthermore, the "Fixers" brand has become synonymous with resolving long-standing bugs. For instance, the infamous "sudden death" syndrome (eMMC brick bug) is fully patched in v2.12's kernel. First Change -S2 v2.12- By Fixers
The "Fixers" team is dedicated to quality control, and v2.12 specifically addresses issues found in earlier builds.
First Change - S2 v2.12 is not just a mod; it is essentially S.T.A.L.K.E.R. 1.5. It keeps the core gameplay loop of Call of Pripyat but wraps it in a richer narrative, a more dangerous world, and deeper RPG mechanics.
Recommendation: This mod is highly recommended for players who have already finished the vanilla game and are looking for a replay with significantly more depth, story, and challenge. However, it is recommended to start a New Game to experience all the features, as it changes the game structure fundamentally. No firmware is perfect
After installing First Change -S2 v2.12- By Fixers, the Galaxy S II sheds its legacy skin and feels surprisingly modern. In synthetic benchmarks (Antutu 6.x, the last version compatible with Android 7.1), the S2 scores approximately 28,500—a 40% improvement over stock Jelly Bean's 20,000. More importantly, real-world usability metrics show:
The "First Change" moniker truly shines here: the team altered how the system handles background processes, using a custom LMK (Low Memory Killer) that prioritizes the foreground app over system animations.
Before proceeding, back up your EFS folder (IMEI data) and fully charge your Galaxy S II. This process requires an unlocked bootloader and a custom recovery like TWRP 3.2+. Furthermore, the "Fixers" brand has become synonymous with
Prerequisites:
Step-by-step: