ColorOS is aggressive with background apps. However, the Global ROM’s optimization algorithms are tuned for Western apps (WhatsApp, Telegram, Slack). You will experience fewer delayed notifications and slightly better RAM management compared to the Chinese version.
: Go to Settings > App Management > Default Apps to set Google Chrome, Gboard (for English keyboard), and Google Messages as your defaults. Option 2: Cross-Flashing (Advanced & Risky) oppo a11 global rom