Sometimes, a random reboot or malware can corrupt the persist partition (affecting fingerprint and sensors) or modem partition (affecting signal). The flash tool can target individual partitions to repair specific hardware functions.
It sounds like you’re asking for explanatory or instructional about the OPLUS Flash Tool (often used for flashing firmware on Oppo and Realme devices).
If you have searched for this keyword, you are likely looking for a solution to a serious software issue. This article will serve as your complete encyclopedia. We will cover what the OPLUS Flash Tool is, what it can do, how to use it safely, where to download it, and the risks involved.
Your Oppo phone does not turn on. It doesn't vibrate. It doesn't show a charging light. However, when you plug it into a Windows PC, you hear the "USB connect" sound. This typically indicates the phone is stuck in EDL mode. Only the OPLUS Flash Tool can re-write the bootloader to revive it.