OPPO F21s Pro 5G (CPH2455) Full Dump (16GB)

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By bablu

Encountering a dead boot or no boot problem with your OPPO F21s Pro 5G (CPH2455) can be perplexing. However, there’s a solution – flashing the Full Dump File. In this guide, we’ll provide comprehensive instructions on how to effectively address this issue.

Understanding the Process: It’s crucial to understand that directly flashing the Full Dump File onto the OPPO F21s Pro 5G (CPH2455) via a USB connection isn’t viable. Instead, you’ll need to utilize a Mipi Tester or Easy JTAG box to connect to the UFS IC for flashing the file using a computer.

Conclusion: By following these outlined steps and utilizing appropriate tools such as a Mipi Tester or Easy JTAG box, you can effectively flash the Full Dump File to rectify dead boot or no boot issues on your OPPO F21s Pro 5G (CPH2455). Exercise caution throughout the process and seek professional assistance if required.

Model Settings
ConnectedReading information
Product NameH9HQ15AFAMBDAR
Serial Number???
[NAME]ROW SZPageSzPageCount
Backup securityPartitions
ReadingLUN 0 Part0 PrimaryGPT 0.bin
ReadingLUN 0 Part2 persist.bin
ReadingLUN 0 Part17 BackupGPT 0.bin
ReadingLUN 1 Part0 PrimaryGPT 1.bin
ReadingLUN 1 Part4 BackupGPT 1.bin
ReadingLUN 2 Part0 PrimaryGPT 2.bin
ReadingLUN 2 Part4 BackupGPT 2.bin
ReadingLUN 3 Part0 PrimaryGPT 3.bin
ReadingLUN 3 Part9 BackupGPT 3.bin
ReadingLUN 4 Part0 PrimaryGPT 4.bin
ReadingLUN 4 Part4 modem a.bin
ReadingLUN 4 Part25 modem b.bin
ReadingLUN 4 Part48 modemdump.bin
ReadingLUN 4 Part59 BackupGPT 4.bin
ReadingLUN 5 Part0 PrimaryGPT 5.bin
ReadingLUN 5 Part4 modemst1.bin
ReadingLUN 5 Part5 modemst2.bin
ReadingLUN 5 Part6 fsg.bin
ReadingLUN 5 Part21 BackupGPT 5.bin
BackupsSKhynix H9HQ15AFAMBDAR
Read (16GB)Finished
Reading LUN 0 16GB.binDone
Reading LUN 1.binDone
Reading LUN 2.binDone
Reading LUN 3.binDone
Reading LUN 4.binDone
Reading LUN 5.binDone

Steps to Flash the Full Dump File:

  1. Gather Necessary Tools: Assemble essential tools including a Mipi Tester or Easy JTAG box, a computer, and the Full Dump File.
  2. Extract the Full Dump File: Download and extract the Full Dump File onto your computer for easy access.
  3. Connect the Mipi Tester or Easy JTAG Box: Disassemble your OPPO F21s Pro 5G (CPH2455) carefully to access the UFS IC. Connect the Mipi Tester or Easy JTAG box to the UFS IC following provided instructions.
  4. Launch Flashing Software: Open the compatible flashing software (e.g., Easy JTAG Plus) on your computer.
  5. Initiate Flashing Process: Within the software interface, select the option to flash the Full Dump File and follow on-screen instructions.
  6. Wait for Completion: Allow the flashing process adequate time to complete without interruption.
  7. Reassemble the Device: Once flashing is successful, cautiously reassemble your OPPO F21s Pro 5G (CPH2455).
  8. Test the Device: Power on your device and verify resolution of the dead boot issue.