The Circuitry: verified tech, gaming, markets and energy news

Apple published official repair manuals for the iPhone Duo covering step-by-step replacement of the display, dual batteries, logic board, cameras, speakers, and other components. Genuine parts remain unavailable through the Self Service Repair Store.

OpenAI announced an unauthenticated remote code execution vulnerability in the Brotli compression library, found during red-teaming of its training environment. The flaw affects software such as Node.js, Bun, and Envoy, and was addressed in a new Brotli release after the root cause was fixed in February.

OpenAI announced it will train frontier models without internet access going forward. The company cited alignment research and infrastructure risks, and built an offline cache of web material for agent testing.