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When Did Microsoft Fix the Xbox 360 Red Ring of Death (RRoD)?

There was no single "fix date." RRoD (General Hardware Failure error 0001/0002/0003) was a symptom of lead-free solder cracking under thermal cycling (BGA package failure). Microsoft mitigated it through iterative hardware revisions over years:

Revision Timeline

Revision (Codename)	Launch Period	Key Changes	RRoD Rate
Xenon (Launch)	Nov 2005 – Mid 2007	90nm CPU/GPU, poor heatsink, no heatpipe (early), X-clamp pressure	High (est. 20–54%)
Zephyr	Mid 2007 (HDMI models)	Added HDMI, 65nm CPU (still 90nm GPU), better heatsink	High
Falcon	Late 2007 – Mid 2008	65nm CPU + 80nm GPU, smaller heatsink, heatpipe added	Moderate
Jasper	Mid 2008 – 2010	65nm CPU + 65nm GPU, 256MB internal NAND (no MU), better cooling, revised X-clamp	Low (~2–5%)
Valhalla (Slim / S)	2010 – 2013	45nm CPU+GPU combined (XCGPU), single heatsink, internal PSU, no RRoD LEDs (uses on-screen error)	Very Low
Trinity / Corona (E Model)	2011 – 2016	Further integration, cheaper cooling	Very Low

Policy Response

July 2007: Microsoft extends warranty to 3 years for "3 Red Lights" error specifically. $1.15B charge.
Free repairs for affected units (even out of standard 1yr warranty) until ~2011–2012.

Identifying Your Console

Back label: Mfr Date + Amperage (12.1A = Xenon/Zephyr; 10.83A = Falcon; 9.74A/10.07A = Jasper; Slim = 10.83A/9.57A).
Power Brick: 203W (Xenon/Zephyr), 175W (Falcon), 150W/135W (Jasper), 135W/120W (Slim).

Conclusion: The "fix" was the Jasper revision (mid-2008) combining 65nm GPU + improved thermal design. Slim (2010) eliminated the LED ring entirely. A 2009+ console is generally safe.

Xbox Game Cheats