Bocoin B304 Flash File RDA8851C 100% Tested

Bocoin B304 Flash File RDA8851C 100% Tested. Download Latest Bocoin B304 Flash File. Bocoin B304 dead mobile recovery file. Bocoin B304 firmware file.

How to Flash Bocoin B304 Flash File

You can use any professional RDA Tool like Infinity CM2RDA, Miracle Box etc.

If You have infinity CM2RDA then read these easy steps

  • install required RDA Drivers and CM2RDA Tool.
  • open CM2RDA Tool and from Settings Tab Select CPU FP :
  • From Flash Tab click on Bin and select .BIN file and then click on Flash Button.
  • Turn off the phone and press and hold ‘0’ (Zero) key then Insert USB Cable until phone detected.
  • Wait until flashing complete
  • You are done 🙂


Please, Backup all data Before Flashing. This File is tested by HOWUNLOCK.COM on Bocoin B304 which works fine on this Model Version. The battery should be Charged more than 60%.

Do This on your own risk. We are not responsible for Any Damage or data loss. Downloading this file you must have to agree with our Privacy Policy and Disclaimer. Please have a look at our Terms of  Use.

Log from infinity CM2RDA

Operation : Read FullFlash
======= Settings
Settings : SafeMode is Off [Fast] Settings : Make IFF (MCU) file
Settings : Make Calibration file

Waiting phone …
Connect battery, press and hold ‘0’ button
Connect USB cable and keep hold button, until phone will be detected
Init : 6790A2A0
Settings registers …
1st boot Ok
==== CPU
CPU_ID : 8809 , rev : 4009
CPU_CN : RDA Micro CT , RDA8851X
==== FLASH
FL_VEN : 60C8 , rev : 1600
FL_CNM : GigaDevice , GD25Q32
FL_CAP : 00400000
Initial : 81C0024C
==== Booting
Sending RamRun Loader …
Set : 8809 , 00400000
Use : 8809_00400000_usb.fp
Sending HdrConf …
Sending LdrData …
Loader sent, starting…
Flush : 0400F000
Loader run
Boot Done!

Read Flash now …
Read Ok, 4194304 bytes read
Verify file…
Target BbCpu : CT8851C
Target Flash : flsh_spi32m
Project Info : RDA8851C_240320
[BIN] Saved as : RDA8851C_240320_CT8851C_flsh_spi32m.bin
Make FlashFiles
FATNV Check passed
FSCSC Check passed
CALIB Check passed
[IFF] File saved to : C:\InfinityBox\CM2RDA\Flash\IFF\CSD_RDA8851C_240320_CT8851C_flsh_spi32m.iff
[CAL] File saved to : C:\InfinityBox\CM2RDA\Flash\IFF\CSD_RDA8851C_240320_CT8851C_flsh_spi32m.ifc
Build done
Elapsed: 00:00:15
Reconnect Power/Cable!

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Hasnain Siddiqui

I am Developer, Programmer and Article writer. Blogging is my profession.