● Official Factory Engineering Publication
How to Unbrick OnePlus Ace 3 Pro
PJX110 Firmware (Flash File)
Restore your OnePlus Ace 3 Pro to full functionality with the official stock firmware. This flash file is designed to resolve a range of software issues, including boot loops, FRP lock, Fastboot mode errors, lost recovery, black screen in EDL mode, white screen after flashing, and devices that appear completely dead.
OPlus Flash Tool v5.6.44 requires authorized paid login credentials — old legacy MSM Tool bypass methods do not support this platform without server authentication.
Black Screen / EDL 9008
Hanging on Logo
Boot Loop (Lost Recovery)
Stuck Fastboot Mode
FRP Lock Reset
Dead After Flashing
> Detecting COM ports…
> Found: Qualcomm HS-USB QDLoader 9008
> Initiating Sahara Protocol v1.0 handshake…
> Sahara PASS. Uploading firehose ELF…
> Target SoC: Snapdragon 8 Gen 3 (OnePlus Ace 3 Pro)
> [AUTH] Requesting factory authorization token…
> [OK] Token validated. UFS storage unlocked.
> Writing partitions: boot, init_boot, super…
> [████████████████████] 100%
> FLASH SUCCESS. Booting OnePlus Ace 3 Pro device.
Target Architecture
OnePlus Ace 3 Pro · Snapdragon 8 Gen 3
Supported Model ID
PJX110
Diagnostic Interface
Qualcomm HS-USB QDLoader 9008
Stock Target Tool
OPlus Flash Tool v5.6.44
Recommended Safe Route
OnePlus Ace 3 Pro Certified Remote Unbrick Service
Bypass server login lockouts, flashing errors, and USB driver issues. Our technical team connects remotely to supply authorized OPlus Flash Tool server credentials and safely revive your OnePlus Ace 3 Pro back to fully working condition.
Fixes Black Screen (EDL 9008)
Fixes Boot Loop & Hanging Logo
Official Server Authorization
Guaranteed Recovery Support
Manual DIY Flashing – Prerequisites & Risks
- ❌ Paid Tool Authorization Required: OPlus Flash Tool requires official server login; flashing fails without active credentials.
- ❌ Driver Failure: Missing Qualcomm drivers cause “Device Not Detected” or mid-flashing disconnects.
- ❌ Power Interruption: Battery below 10% or accidental cable disconnect during flash can permanently brick UFS storage.
MGunlock Service – Safe Remote Method
- ✔️ Authorized Tool Login: Our engineers provide valid login credentials during the flashing session.
- ✔️ Guided Protocol: Step-by-step verified driver setup and EDL connection checking before flashing begins.
- ✔️ Complete Support: Solves stuck Fastboot, black screen EDL, lost recovery, and FRP lock in one pass.
Step-by-Step Unbrick Guide for OnePlus Ace 3 Pro
01
Download & Extract ROM & Tools
Download the OnePlus Ace 3 Pro firmware package (PJX110) along with OplusFlashTool.exe. Extract both the ROM archive and the flashing tool into the exact same folder on your Windows PC.
02
Install Qualcomm USB Drivers
Download
Qualcomm_Drivers_QDLoader file. Double-click the installer (keep default installation path). When Windows displays a security popup, select “Always allow / Install this driver anyway”. Once finished, choose Restart the computer now to complete installation.
Fig 1: Driver Security Authorization
“Install anyway”
Fig 2: Kernel Port Binding
“Restart now”
03
Reboot OnePlus Ace 3 Pro into EDL Mode (9008)
Connect one end of the USB cable to your PC. Power off the OnePlus Ace 3 Pro completely. Press and hold Volume Up + Volume Down buttons simultaneously, then connect the other end of the USB cable to the phone. Release buttons when you see Qualcomm HS-USB QDLoader 9008 appear in Device Manager.
OnePlus Ace 3 Pro Key Combo — EDL Mode Entry
VOL UP (+)
+
VOL DOWN (−)
+
CONNECT USB CABLE
Verify in Device Manager → Ports (COM & LPT) → Qualcomm HS-USB QDLoader 9008
04
Launch Tool & Select Firmware
Open
OplusFlashTool.exe as Administrator and log in with authorized account credentials. Load your extracted target firmware file in the software interface.
Fig 3: Flashing Workflow
Login Tool → Select Firmware → Click Start → Connect in EDL Mode
05
Start Flashing & Complete Boot
Click the “Start” button in the tool. Connect phone to PC in EDL mode. Wait until progress completes and reports “Success”. Unplug the USB cable from the device and switch it ON.
CRITICAL WARNING: Never disconnect the device prematurely during flashing! Disconnecting mid-process can cause system corruption or further hard bricking.
⚡ TL;DR — Quick Steps to Unbrick OnePlus Ace 3 Pro:
- Download and extract ROM file and OPlus Flash Tool in the same folder.
- Install
Qualcomm_Drivers_QDLoaderdriver on computer and restart PC. - Login to
OplusFlashTool.exeusing authorized credentials. - Select your matching OnePlus Ace 3 Pro stock firmware.
- Click the Start button.
- Connect phone to PC while holding Vol Up + Vol Down (EDL Mode).
- Wait until success message appears, unplug device, and switch it ON.
Tool Authorization Required
OPlus Flash Tool v5.6.44 — Password & Paid Service
Archive Password:
This is a paid tool and requires authorized server credentials. If you do not have server access, you can use our remote unbricking service below:
mgunlock.comThis is a paid tool and requires authorized server credentials. If you do not have server access, you can use our remote unbricking service below:
OnePlus Ace 3 Pro Firmware (Flash File) & Drivers
Download the official stock firmware package for the OnePlus Ace 3 Pro (China Version):
China Version — PJX110 Firmware
Official China Stock Firmware (Flash File)
PJX110domestic_11_14.1.0.202CN01_2024060103480000
OPlus Flash Tool v5.6.44
Password:
mgunlock.com · Paid Tool Authorization RequiredOplusFlashTool_v5.6.44.0_for_Sales_MGUNLOCK.COM.rar
Qualcomm & MTK USB Drivers
Required USB Driver Installation for Windows PC
Qualcomm_Drivers_QDLoader.rar
Troubleshooting & Diagnostics
| Issue / Status | Root Cause | Solution |
|---|---|---|
| Device Not Entering EDL Mode | Loose USB connection or incorrect button timing. | Double-check button key combo step or try using a different USB cable or USB port. |
| MSM Tool / OPlus Tool Doesn’t Detect Device | Qualcomm QDLoader USB drivers not installed correctly. | Ensure Qualcomm drivers are properly installed. Restart both PC and phone, then try again. |
| Flashing Fails Mid-Process | Interrupted connection or incorrect firmware version. | Repeat the procedure or try a different matching firmware build. Perform a factory reset after unbricking. |
| Low Battery Level | Battery charge under 10%. | Ensure phone battery is charged above 10% before starting to avoid sudden power loss. |
Frequently Asked Questions
What issues does this OnePlus Ace 3 Pro firmware fix?
It resolves boot loops, FRP lock, Fastboot mode errors, lost recovery, black screen in EDL mode, white screen after flashing, and devices that appear completely dead.
Do I need authorization to run OPlus Flash Tool?
Yes, OPlus Flash Tool v5.6.44 requires authorized account credentials. You can use MGunlock remote service if you require login authorization.
How do I connect the OnePlus Ace 3 Pro in EDL 9008 mode?
Power off the device completely. Connect USB cable to PC, hold Volume Up + Volume Down buttons, and plug the USB cable into your phone until Device Manager detects Qualcomm HS-USB QDLoader 9008.
Video Walkthrough: How to Unbrick OnePlus Ace 3 Pro (PJX110)
MGUNLOCK LABS
Instant Support — Worldwide
Need Help Unbricking Your OnePlus Ace 3 Pro?
Avoid flashing mistakes or tool authorization lockouts. Contact MGunlock support on Telegram or WhatsApp for authorized remote unbricking assistance.
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