Go to product viewer dialog for this item. Custom ROM Makes Your Phone Better: Performance, Battery, and Longevity
(also known as the OPPO F15), using a custom ROM can significantly breathe new life into the device, especially as official software support ended with Android 11 The Verdict: Is it Better? Switching to a custom ROM is oppo a91 custom rom better
Second, you lose some OPPO-specific features. The in-display fingerprint sensor might become slower or unreliable depending on the ROM maintainer’s driver implementation. The “Game Space” optimizations and the proprietary camera processing (including the 48MP AI quad-camera system) will degrade. While GCam ports can partially compensate, the stock camera’s low-light performance will not be matched. Also, Widevine L1 certification may break, meaning Netflix and Amazon Prime Video will stream at 480p instead of 1080p. Go to product viewer dialog for this item
You'll need to unlock the bootloader via unofficial MTK tools (risk of bricking). If successful, try: The in-display fingerprint sensor might become slower or
Background services consume precious RAM and battery cycles.
The gold standard for stability, privacy, and longevity. It focuses on a clean, lightweight interface with powerful under-the-hood security controls.
Custom ROMs like LineageOS or Pixel Experience use a clean, stock Android foundation. By removing the heavy animations and background services of ColorOS, your processor does less work. Apps launch faster, multitasking becomes smoother, and UI stuttering disappears. 2. Extended Battery Life