Question about Sony Ericsson K750i Cellular Phone

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Sony 750 become dead

My sony k750 connected with SEtool (lite) and it displayed read gdfs .then if it was dead and no reply please advise me to what can i do

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  • Anonymous Mar 21, 2009

    i have too this problem...



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My phone sony 580 become dead without any reason and make flashing red at right side only what i can do I buy it just Aug,2007 with 200$ my plane with 3 years am student no extra money now
email me ( I need your help am with rogers.

Posted on Oct 09, 2008


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Posted on Jan 02, 2017


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W880i tryed to flash it in boot rom mode, 2+* pressing 2 never seemed to work, flashed it but middle something happened th phone stop responding and now my gdfs is corrupt (using setoollite), the back...

Some time Sony Ericsson Software update Service will solve such problem.
I had almost same problem with Sony Ericsson W550i and SETool fail to repair it.
Then i used Repair option on Sony Ericsson PC Suite 6.001 and problem was solved.

Apr 02, 2011 | Sony Ericsson Walkman® W880i Cellular...

1 Answer

Forget my sony ericsson code w200i

which code? do you mean phone security code? a programme called setool lite can reset it if this if that is what you mean.

(unpack with winrar or winace to a new folder, your antivirus may tell you its a virus but this is a false positive due to flash drivers)

make sure ya battery is full before you start this.

remove sim and memory card

put battery back in phone but do not switch on

open setool lite by clicking the phone icon inside the folder

select w200 on the list at the top and press read gdfs nothing else

press and hold 'c' and connect usb cable

it will then say found new hardware and ask for drivers which are located in the folder that has setool lite inside (this may take a few mins)

when it has read the phone it come up with a log on the left hand side and will say done at the bottom.

your phone security code is now reset to 0000

May 20, 2010 | Sony Ericsson W200i Cellular Phone

1 Answer

Blue screen problem

One of the sections in its OS is called GDFS and in this case its corrupted. You need professional services. Like Cruiser, SETOOL etc.

May 12, 2010 | Sony Ericsson W380i Cellular Phone

2 Answers

Unlock the phone Sony Ericsson K550i

a programme called setool lite could reset the code back to 0000

download setool lite here:

turn antivirus resident sheild off (it will report this programme as a false positive)
when downloaded extract file with winrar

turn phone off and remove sim and memory card
do not turn phone back on!
select k550 in the list
press 'identify' on setool lite
press and hold 'c' on the phone and plug usb cable in

it will ask for driver which is in the setool lite folder so direct it to there

after driver installed setool will then read your phone and displa info on the screen

as soon as that has finished unplug your phone, put sim and memory card back on and the security code should be reset to 0000

Apr 21, 2010 | Sony Ericsson K550i Cellular Phone

1 Answer

Sony satio not turning on, red light flashes roughly 7 to 10 times..

Download SeTool 2 lite
  1. Start SeTool 2 lite
  2. Press Unlock\Repair Button, The first button.
  3. Reinsert Battery
  4. Connect phone holding 2+5
  5. Wait, SeTool 2 lite will repair the EROM, it will flash it back.
  6. Done

Now you can start your phone.



Jan 28, 2010 | Sony Cell Phones

1 Answer

Display problem(display become white sometime)

Its not dispaly pblm, there is problrm with thr firmware, please update the firmware to solve your probel,
else flash your set with bew firmware frin service center

Sep 04, 2009 | Sony Ericsson K750

1 Answer

Unlocking my phone

Yes you have to format its GDFS, through the Data Cable (CDU-60) and a software called XS++ or SETool.
All things are mentioned on this thread, I'v tested it many times 100% Working.
Best of Luck.

Aug 21, 2009 | Sony Ericsson Walkman® W880i Cellular...

1 Answer

Problem with Swtching on the Sony Ericsson K800i mobile

You have to Upgrade the EROM and the SW. It's done by service software only, something like setool and cruiser tools.Search on google for setool and cruiser.

I think there is a setool lite version who can help you solve the problem for free just by reflashing the SW of the device.

Feb 11, 2008 | Sony Ericsson K800i Cellular Phone

2 Answers

Sim card unlocking codes

Hi all, it is bad that after payment you are unable to unlock it. This phones are well secured by sony-erric's CID base chipset. You should not trust that paid service code provider. It is advisable to hand over this job to skilled technician who have SETOOL, CRUISER BOX, MULTI BOX etc. sony-erric service tools. Only this can help you.

2nd thing is that, the technician will decide whether your phone GDFS area (which is responsible for this ) is correct or not. He can put right this area also by the same tool.

How it helps you let the people vote it here

Dec 25, 2007 | Sony Ericsson W850i Cellular Phone

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