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By late 2011, Google had released Android 4.0 Ice Cream Sandwich (ICS), a massive visual overhaul that introduced the Holo dark theme and virtual on-screen buttons. Optimus Black owners waited with bated breath.
LG was initially hesitant. The P970 had a single-core TI OMAP 3630 processor, and many manufacturers claimed single-core devices couldn't handle ICS smoothly (a claim later proven false by developers).
Eventually, LG relented. In late 2012, the official Android 4.0.4 ICS update began rolling out. It was a transformative update for the UI, bringing the modern "LG Optimus UI 3.0" to the device. It looked slicker, felt faster, and utilized the Nova screen better.
However, this was the end of the official road. When Google announced Android 4.1 JellyBean, LG drew a line in the sand. They declared the hardware outdated and ceased official support. The story for the average consumer ended here, but for the enthusiast, it was just the beginning. firmware+change+update+on+lg+p970+optimus+black
On your phone (if it still boots): Go to Settings > Applications > Development and check USB Debugging.
Out of the box, the Optimus Black ran Android 2.2 Froyo. It was usable, but buggy. Users reported the infamous "sleep of death"—where the phone would simply refuse to wake up, requiring a battery pull. The Wi-Fi module would drop connections randomly. The culprit? Poorly optimized baseband firmware (the radio software) and an aggressive CPU governor.
The first major firmware change arrived via LG’s slow, desktop-only update tool: LG Mobile Support Tool (later replaced by LG PC Suite). By late 2011, Google had released Android 4
How the update worked (Painfully):
The V20 update was a double-edged sword. On one hand, Gingerbread fixed the wake-lock issues. On the other, it introduced a new bug: the "LG Logo Boot Loop." If you restarted the phone while the battery was below 30%, you were often stuck staring at the silver LG logo forever. The only fix? A full factory reset via hardware keys (Volume Down + Power).
To successfully execute a firmware change update on LG P970 Optimus Black, gather these: The V20 update was a double-edged sword
Stock firmware locks the bootloader. You must root first.
The most significant official firmware change for the P970 was the update to Android 2.3 Gingerbread. This update rolled out in phases, starting in late 2011 and continuing into 2012 depending on the region (with Asian and European variants often receiving updates months apart).
What changed?
For the average user, this was the peak of the official software experience. It made the phone feel "finished," but it was already behind the curve as Android 4.0 (Ice Cream Sandwich) was hitting the market.