If you proceed, you void your warranty and risk a hard brick. These are the only working methods in 2024-2025.
Having personally tested this on an OPPO A5 (PBAM00), I highly advise converting to Global. Here is why: oppo a5 convert global new
If you flash the wrong partition table or global firmware with a different panel driver, the phone becomes unresponsive. No lights, no EDL. Requires JTAG hardware (expensive). If you proceed, you void your warranty and risk a hard brick
This process will wipe your phone. Save your photos and contacts elsewhere. Charge Up: If you proceed