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Oppo A31 CPH2015 Flash File

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Full Specifications

Oppo A31 CPH2015 Flash File

Description

Official stock firmware flash file for Oppo A31 CPH2015 from RomWala. Fix bootloop, hang on logo, dead issues, FRP lock, pattern unlock, and software errors. Based on Android 10/11 with ColorOS 10/11. Flash using Download Tool with authorized account. Direct download links below.

Info Flash File

Firmware Version	CPH2015: A.53 / A.45 / A.37 / A.23 / A.17
Package Name	CPH2015EX-11-A.53-210506-14ae7997
File Size	~5.0 GB to 6.0 GB (extracted)
System	Android 10/11 (ColorOS 10/11)
Security Patch Level	2020-02-01 to 2021-05-01
Release Date	February 2020 - May 2021
Flash Tools	Download Tool, SP Flash Tool, MTK Flash Tool (Authorized account required)
Compression	ZIP/RAR
Firmware Type	Stock Firmware
Purpose	Fix bootloop, Hang on logo, Dead issue fix, FRP bypass, Pattern unlock, Software errors, Upgrade/Downgrade

Device Info

Device Name	Oppo A31
Brand	Oppo
Model	CPH2015
Other Names	CPH2015 (Global)
Year Released	2020
Network	2G, 3G, 4G
SIM	Dual SIM (Nano-SIM)
Dimensions	~162.5 x 75.4 x 8.5 mm
Weight	~185 grams
Build	Glass front, Plastic back, Plastic frame
Display	6.72 inches LCD, 60Hz, 1080 x 2400 pixels
Chipset	MediaTek Helio P35 (12 nm)
CPU	Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
GPU	PowerVR GE8320
RAM Options	4GB / 6GB LPDDR4X
Storage Options	64GB / 128GB eMMC 5.1
Expandable Storage	Dedicated SD card slot
Battery Capacity	5000mAh non-removable
Charging Support	Fast charging
OS	Android 10/11 (ColorOS 10/11)
Rear Camera	12MP (f/1.8) + 2MP (f/2.4) + 2MP (f/2.4)
Front Camera	8MP (f/2.4)
Fingerprint	Rear-mounted
Features	4G connectivity, 60Hz display, SD card support
Network Support	4G LTE, Dual SIM
Firmware Type	Stock Firmware

Available Versions

Version A.53	File Name: CPH2015EX_11_A.53_210506_14ae7997 Package Name: CPH2015EX-11-A.53-210506-14ae7997 Region: EX OS: Android 11 (ColorOS 11)
Version A.45	File Name: CPH2015EX_11_A.45_201007_187cb6cb Package Name: CPH2015EX-11-A.45-201007-187cb6cb Region: EX OS: Android 10 (ColorOS 10)
Version A.37	File Name: CPH2015EX_11_A.37_200610_2a57d21e Package Name: CPH2015EX-11-A.37-200610-2a57d21e Region: EX OS: Android 10 (ColorOS 10)
Version A.23	File Name: CPH2015EX_11_A.23_200214_c32e994b Package Name: CPH2015EX-11-A.23-200214-c32e994b Region: EX OS: Android 10 (ColorOS 10)
Version A.17	File Name: CPH2015_11_A.17_200205_c32e994b Package Name: CPH2015-11-A.17-200205-c32e994b Region: Export OS: Android 10 (ColorOS 10)

Pre-requisites

Requirement 1	Battery should be charged up to 70% minimum
Requirement 2	Make sure you have Oppo USB OG Cable
Requirement 3	Download and install Download Tool / SP Flash Tool on PC
Requirement 4	Download and install MediaTek USB drivers on your computer
Requirement 5	Take a complete backup before flashing
Requirement 6	Knowledge of flashing (professionals recommended)
Requirement 7	⚠️ Authorized Oppo service account required for flashing

Advantages of Stock ROM

Advantage 1	Flash Stock ROM to unbrick your Oppo A31
Advantage 2	Flash Stock ROM to fix the boot loop problem
Advantage 3	Upgrade And Downgrade Oppo A31
Advantage 4	Unroot and fix bugs on your phone
Advantage 5	To fix the lag or Stutter on your Oppo A31
Advantage 6	By flashing Stock ROM, you can solve software problems
Advantage 7	Revert back to Stock to gain your warranty

How to Flash

Step 1	Download the firmware & extract it to get .ofp file
Step 2	Download and install MediaTek drivers on your computer. If already installed, skip this step
Step 3	Extract and open Download Tool / SP Flash Tool on your PC
Step 4	Login with authorized Oppo service account (required)
Step 5	Load the firmware file from the extracted folder
Step 6	Click on Start All / Flash button in the tool
Step 7	Power off the device completely
Step 8	Press and hold both Volume Up + Volume Down buttons
Step 9	Connect your device to PC via USB cable while holding buttons
Step 10	Wait for the tool to detect and flash your device automatically
Step 11	Wait till process completed - Device Ready - Done

Important Notes

Note 1	⚠️ Do flash or unlock at your risk - we are not responsible if you made any mistake and device got bricked
Note 2	Read all flashing instructions carefully before doing flash or unlock
Note 3	Check device version by dial code *#899# in emergency dial
Note 4	If device not detected, reinstall MediaTek USB drivers
Note 5	Use only on Oppo A31 CPH2015
Note 6	All data will be erased - backup important files before flashing
Note 7	Do not disconnect USB cable during flashing process
Note 8	⚠️ Authorized Oppo service account required to flash this device

Flashing Guide

Requirements	Windows PC, USB Data Cable, 70% battery, MediaTek USB Drivers, Download Tool / SP Flash Tool, Authorized Oppo account
How to Flash	1. Install drivers. 2. Login with authorized account. 3. Load firmware in Download Tool. 4. Click Start All. 5. Power off device. 6. Press Volume Up + Down. 7. Connect to PC. 8. Wait for completion.
Warnings	Use only on Oppo A31 CPH2015. Do not disconnect during flashing. All data erased. Operations at your own risk.
Troubleshooting	Device not detected - reinstall MediaTek drivers. Auth error - use authorized account. Flash error - use latest tool version.