That’s normal during the first boot. It will disappear after a factory reset from recovery mode.
The Oppo F11 (model number ) remains a popular mid-range smartphone, known for its 48MP camera and MediaTek Helio P70 chipset. However, as devices age, users often face slowdowns, boot loops, or software glitches. The most effective solution is reinstalling the official Android 10 firmware . This article provides a deep dive into everything you need to know about the firmware Oppo F11 CPH1911 Android 10 —from identifying the correct version to step-by-step flashing instructions. firmware oppo f11 cph1911 android 10