Google Pixel phones promised all-day battery. Then the March 2026 update hit. Owners watched their devices guzzle power like never before—even idle. Complaints flooded Reddit, Google’s forums, and X. Pixel 7 Pro users reported needing three charges a day. Pixel 10 Pro dropped from 16 hours to 12. A Android Authority poll captured the scale: 75.9% of over 2,000 voters confirmed faster drain post-update. Only 15.2% saw no change. The rest hadn’t checked. Clear majority. Widespread pain. But why? Users zeroed in on Deep Doze failure. Android’s power-saving mode throttles the CPU when idle. A bug, they say, blocks it. Phones stay half-awake. Draining batteries dry. One theory points to the Exynos baseband modem in a polling loop—hardware interrupts storming even in Airplane Mode. Keeps the processor buzzing. No rest. This spans generations. Pixel 7 lineup. Pixel 8 series, including A’s. Pixel 9 Pro. New Pixel 10 models too. Not picky.…