
: Stock ColorOS can be aggressive with background tasks; custom ROMs often allow for more granular control over battery-draining processes. Essential Preparation
: Ensure your battery is above 80% to prevent the phone from dying mid-flash. on how to unlock the bootloader for the specifically? oppo a91 custom rom better
A custom ROM is objectively better for longevity, privacy, and performance— if you can live without OPPO-exclusive features. : Stock ColorOS can be aggressive with background
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