Oppo A57 4G CPH2307 Firmware Flash File No Auth

Download Stock Firmware (Stock ROM) for Oppo A57 4G CPH2307:

Official Stock Firmware Now available for the Oppo A57 4G CPH2307 and You can download it from below. by using this firmware you can solve all software Issues with in your Oppo A57 4G CPH2307 such as hang logo, frp lock, fastboot Mode, display blank or white after flash, dead recovery, dead after flash etc.

Oppo A57 4G CPH2307 Run on Android 12 and it is Powered by Mediatek MT6765  Processor. it is a dual SIM smartphone Support nano SIM card, connectivity features Include hotspot, GPS, WIFI and bluetooth. The device come with 3GB of RAM and 64GB of Storage that can be expandable via SD card.

Pre-Requirement’s

  • backup NVRAM using this guide
  • make a complete backup of your device
  • charge the device at least 50% to prevent accidental shut down during the process

Note:

  • disable auth/SLA by following this Guide
  • The firmware is for Repairing purpose only, You have to manage risk accordingly
  • downgrade via flash tools work’s on Most of devices but I don’t know about this device

Firmware Information:

Device Name: Oppo A57 4G CPH2307
Type: Full ROM
Size: up to 4-12GB
SoC: Mediatek
Os: Android 12
Password: Null
Gapps: Included
Root access: Not
Firmware Version: CPH2387_11_A.07_2022052023070000

Download Links:

How to Install Stock Firmware on Oppo A57 4G CPH2307:

  • unpack downloaded Firmware using 7zip or winrar then ofp using this tool
  • Now You have scatter firmware
  • Install Mediatek Vcom driver on Your computer.
  • disable SLA Authentication by following this Guide (if not disabled You will face a BROM error or flash tool Require a Authorized account/ID)
  • Download & Extract smartphone flash tools on your computer
  • from the flash tool folder Run flash_tool.exe

  • Go to Download tab Click Scatter and Load Scatter File from ROM folder
  • Repeat Process and load DA and Auth file too

  • Select Download only. Click Download & Connect Your switched off Phone by pressing volume up and down key (if no usb device then you have to do test point)

  • You will see a Yellow flashing bar with flashing Process. once done, unplug device and switch it ON

Flash using ROM2box (No Auth & Easy):

  • Install MTK and USBDK driver on your computer
  • Run ROM2box.exe from Mediatek/Firmware Reader= “Read All Partitions”
  • Once the process Started, turn Phone OFF, Now together Press Volume up + down key & Insert USB, Once Phone detected Immediate Release key (make sure your phone stable in device manager)
  • from Mediatek/Firmware Flasher ‘ Select Firmware folder & Click Flash’
  • Once the process Started, turn Phone OFF, Now together Press Volume up + down key & then Insert USB, Once Phone detected Immediate Release key (make sure your phone stable in device manager)
  • Note= if any issue with img format rename all files from .img to .bin that’s all you need to do..
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