Oppo A31 Pattern Unlock Without Auth File – SP Flash Tool (One-Click)

If you searching for the right solution to unlock pattern lock from your Oppo A31 CPH2015 then here we have the best and right solution for you. In the following topics, I share with you a comprehensive tutorial that will help you to remove screen lock from your phone very easily. We all know nowadays Oppo pattern lock removal is difficult, but with this process, you can unlock the screen lock in just 5-10minutes.

Screen Lock is a privacy protection lock for android devices, You can enable screen lock by (Pattern/ Pin/ Face/ Fingerprint) on any Android phones. Once screen lock is enabled then the user needs to enter the correct Password, Pattern, Pin lock to access the device once again.

If you have forgotten the screen lock on your phone and the factory reset not works for you then you have to use unlock tools to get back access to your phone. Here, you will get the correct idea to Oppo A31 pattern unlock successfully. So, without wasting any time follow the below simple steps and download all required files to your computer.

Download Oppo A31 CPH2015 Pattern Unlock File Without Auth

File Name: Oppo A31 CPH2015 No Auth Pattern unlock File & Tool .zip

File Size: 80MB

How to Flash: use SP Flash Tool

Link: Download

Downlaod: SP Flash Tool

MTK Auth Bypass Tool: Download

How to Unlock Pattern lock Oppo A5s

  • Download & unzip the Oppo A31 ANo Auth Pattern Unlock File.zip to your computer
  • Open the folder

Install LibUSB and Filter MTK Driver: 

  • Now Run LibUSB and install it on your Computer

Install LibUSB

  • Open LibUSB and Install it on your Computer
  • Click Next =>> Agree =>> Install =>> Finish
  • Open the extracted folder => Oppo USB Driver =>> Driver
  • Install Oppo Preloader USB driver from there
  • Tap Install = >> Finish
  • Open LibUSB driver window
  • Click Install a device filter
  • Now Power Off and connect your phone to the computer
  • Press Volume Up and Insert USB Driver

Install LibUSB Driver

  • Now you can see the device’s MTK USB COM Port in the LibUSB window and Click Install.
  • Click OK

Run SP Flash Tool and Select Pattern Unlock File: 

  • Run SPFlash.exe
  • Click on Choose from Scatter-Loading File Tab

  • Choose the Oppo CPH1909 scatter.txt file and Click Open.

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  • Now Select Options from the top-left corner and choose Option

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  • Select Connection =>> Change Boud rate to 921600 (Leave it as it is)
  • Now you have to bypass the USB Security of your phone

Bypass the USB Protection and Flash Oppo A31 phone

  • Open Oppo A31 Folder => Bypass
  • Run the MTK Auth Bypass Tool with Administrator Permission
  • Reconnect your Oppo phone
  • It will detect your device Port and disable the USB protection
  • Now Open the SP Flash Tool and select the COMPORT in the Connection window
  • That’s it.
  • Untick the Preloader
  • Go to Format
  • Select Manual Format Flash
  • Put the USERDATA Format address there. (File Should be in FRPCode.txt file)
  • Click on Start

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  • Wait for finished.
  • Once finished, disconnect and Power On Oppo A31 phone
  • Setup all initial steps.
  • Now you have successfully Oppo A31 pattern unlock without Auth by SP Flash tool easily.

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