U600 Firmware Install GUIDE! You will need:
- Optiflash for U600. Found here.
http://www.frontside.be/word/U600_Optiflash.rar- A firmware upgrade. Found here.
http://homepages.pathfinder.gr/xux99/samsung/http://forum.gsmhosting.com/vbb/showthread.php?t=389972- The original samsung USB cable that came with the phone.
Procedure:
Launch Optiflash and click on ‘Options > Settings > Generic’
- Select ‘Customer T: d830/d840/d910 (USB)
- Set ‘Flash Erase Passes’ to ‘1′
- Set ‘Operation Passes’ to ‘Default’
- Uncheck all checkboxes except ‘Differences only’
Select the tab ‘Flash and Verify’
- Browse to and select your firmware (*.s3)
Select the tab ‘Default Contents’
If you have a file *.cts with the firmware *.s3:
- Select radio button “S-Record with content”
- Browse to and select your *.cts file
If you do not have the file *.cts:
- Click on ‘S-Record only’
- Click ‘OK’
- Connect the phone to the computer via the USB cable.(in the phone click connect to pc studio)
- Remove your SIM and microSD card and battery from the phone which will turn the phone off .(leaving USB cable in) You will see leds on.
- Whilst holding down the * key on the phone, briefly press the ON button.
Your computer will recognise the device as Samsung USB Mobile.
Return to Optiflash, Click on ‘Options > Settings > COM Port’
- Select the COM port your phone uses (If you’re not sure, you can find out by: Control Panel > System > Hardware > Device Manager > Ports (COM and LTP))
- Select 921600.
- In Second COM Port select ‘NONE’
- Click ‘OK’
Lastly, click ‘Flash’
The flash procedure will be finished when the message ‘All is Well’ appears above the green progression bar.
A full reset should not be necessary once the firmware is upgraded, however, if you want to do it: Type *2767*3855# then wait one full minute before you restart your phone.
To check your existing firmware type *#1234# into your handset
Time to flash: approx 15 mins.
** NOTE: IF YOUR PHONE RESTARTS IN A DIFFERENT LANGUAGE, DON’T PANIC! THE LANGUAGE SELECTION PROCESS IS:
MENU (left touch button) > SETTINGS (bottom right icon) > PHONE SETTINGS (2nd option) > LANGUAGE (1st option)