Tag Archives: Firmware Files

RIFF JTAG – Samsung T749, Samsung E189 Unbrick – Boot repair supported

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12.07.2011 Samsung T749, Samsung E189 Unbrick – Boot repair supported

The Samsung T749 board is auto powered on with USB Data Cable connected to the PC. Battery presence is not required; connection can be established with detached board.
To resurrect Samsung T749:

  •  Solder JTAG cable to Samsung T749 JTAG pads;
  •  Connect USB cable;
  •  Make sure Samsung T749 is selected in the list of models;
  •  Click Resurrect button;
  •  Wait till software signals a successful operation completion;
  •  Disconnect power supply, de-solder JTAG wires;

Now phone is in bootable condition, that is, even if it does not start up normally, you can flash it using known flashing methods.
In case you cannot find firmware files use Global RIFF Link & Data Exchange plugin – at the moment of resurrector release there was shared full dump from alive Samsung T749 phone.
To enter download mode:

  •  Disconnect PC cable;
  •  Insert battery;
  •  Hold both ‘Volume Up’ and ‘Camera’ keys and press ‘Power ON’ button.

 

 

 

Resurrecting Samsung E189 is simple.
Phone is auto powered on with USB Cable connected to the PC. Battery presence is not required; connection can be established with detached board.
Current resurrector contains Firmware and EEPROM zones for memory chip with ID 0x00EC/0x2256
To resurrect Samsung E189:

  •  Solder JTAG cable to Samsung E189 JTAG pads;
  •  Insert USB Data cable into board and PC;
  •  Make sure Samsung E189 is selected in the list of models;
  •  Click Resurrect button;
  •  Choose which areas to flash;
  •  Wait till software signals a successful operation completion;
  •  De-solder JTAG wires;


Please click “Check For Updates” button in order to download and apply new files. Closing all running application before starting update process is recommended.

RIFF JTAG – Samsung WAVE S8500 Unbrick/Repair beta support

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31.08.2010 Samsung WAVE S8500 Unbrick/Repair boot beta support

This is beta test, and it is not available trough “Check for updates” button.


What You need to repair it ?

– RIFF Box
– Micro USB Cable
– Full charged battery (4.2v)
– CMM + ELF
– Samsung_S8500_PDA.dll
– Pinout
– Multiloader
– USB Drivers
– Firmware files

Procedure:

– Solder RIFF JTAG cable (use very thin wires for PCB, because of battery)
– Insert battery
– Connect Micro USB cable to phone and PC port
– Start the JTAG Manager and select Samsung S8500 PDA from the list
– Switch to “DCC Read/Write” TAB
– Set everything as on photo bellow:

– Press “Read memory” and wait to be finished
– Now switch to “JTAG Read/Write” TAB and press “Connect&Get ID” then “Halt the Target” buttons
– Click “Execute Script” and select CMM file
– Press “Run Script” button

– Ram loader will be uploaded and after its uploaded, phone will automaticaly enter download mode, and detected by PC
– IMPORTANT ! ! ! Now You must disconnect JTAG Cable from RIFF Box
– Start Multiloader 5.62, set “Boot change” and select Boot files folder
– Press download – and wait for process to be finished
– Now phone contains valid bootloader, and can be flashed, so You can desolder JTAG wires from PCB

To enter download mode hold LOCK+Volume Down + Power on Keys.

Problems which You may have:

– Target not detected – check all wires and tp, check battery, 4.2v is a MUST !
– Wrong DCC answer – low battery, or TCK too high, You can use 100KHz TCK too !
– “It not work” – no idea about this lol