The host (phone's OS) identifies specific files or address ranges that are critical for performance.
This report examines , a storage technology standardized by JEDEC to ensure mobile phones maintain high speeds throughout their lifespan . While new smartphones often feel fast, performance typically degrades over time as data becomes fragmented; FBO is designed to solve this specific "lagging" problem. The Core Problem: File Fragmentation
If fragmentation is high, the host instructs the device to perform physical defragmentation .