Download QFIL (Qualcomm Flash Image Loader) , which is part of the QPST tool suite, or alternative tools like Miracle Box, MRT Key, or UnlockTool if you use premium hardware.
Because the CPH1803 has two distinct hardware variants (different NAND chips), only the repack contains the universal SBL (Secondary Boot Loader) patches that work on both the SKhynix and Samsung eMMC modules. download firehose oppo a3s cph1803 repack
If your device is hard-bricked, you may need to open the back cover to short the EDL test points. 2. Software & Driver Downloads Download QFIL (Qualcomm Flash Image Loader) , which
Remove the back cover and the protective shielding over the motherboard. Locate the two specific EDL test points on the board. Short these two points using a pair of metal tweezers while simultaneously plugging in the USB cable connected to the PC. Short these two points using a pair of
. This ensures your computer registers the phone when it is connected in EDL mode.
Click and choose the COM port that shows “Qualcomm HS-USB QDLoader 9008”. If no device appears, re‑check the drivers.
: Ensure you have the latest Qualcomm USB Drivers installed on your PC.