Monday, January 26, 2009

Restoring(Writing GDFS) A GDFS Using XS++

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IMPORTANT NOTICE: Don’t Write GDFS simply just because something happened and your phone is not starting. Its written only if gdfs is corrupt.

If your phone for some reason behaves abnormally and fails to start and you get a white
screen of death when you try to start your phone, then its time to restore the backup of the gdfs you had made. In case you have not made a backup of gdfs then there is no way to fix the phone , In such a case Contact Me.

Go through the GDFS Backup once if you have not read it.

Do Not Unnecessarily write a GDFS if your phone is working good.

VERY IMPORTANT: Your phone GDFS is unique to your phone. Writing a GDFS from any other phone will permanently damage your phone beyond repair. You must always write a gdfs that came from your very own handset. Lets say you have a w610i and you try to restore a gdfs that came from your friends w610i then your phone is in big trouble. Hence make sure that the GDFS that your writing is your own GDFS.

Oki Lets Start

First You must Download XS++

Then USB Flash Drivers

  1. Charge your phone battery to 100%Click connect phone in XS++
  2. Shutdown and reinsert battery
  3. Connect Phone holding C
  4. In Configuration Select GDFS.
  5. Select the gdfs to restore.
  6. Click Write GDFS.
Reinsert battery Start Phone.

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blinkqu said...

its my sony K750 gdfs is not matching with imei.
I forget to backup gdfs ?
Wahy can I do now, to fix my phone ?
Where can I gdfs K 750 ?
i use Xs++.

Prasanna samarasinghe said...

you have to flash your 4n now..

your saved data will be loss.

download k750 firmware from

Dudu said...


I'm trying to restore my K790 GDFS backed up in XS++ 3.2 but it's stucks in "Activating GDFS..." status. See below logdata pasted from XS++ screen.

10:13:51| XS++ v3.2 Dev1 (Crystal) Ready !
10:13:51| Executed on Microsoft Windows Vista
10:13:57| Attempting to open the interface...
10:13:57| TURN OFF PHONE!
10:13:57| Hold 'C' button on phone and connect phone NOW.
10:13:57| You have 30 seconds...
10:14:05| Baseband ID: 9900
10:14:05| Protocol Version: 3.1
10:14:06| Phone name detected!
10:14:06| Profiling SEMC phone...
10:14:06| Platform: DB2020
10:14:06| OTP CID: 49
10:14:06| EROM CID: 52
10:14:06| EROM Color: Red
10:14:06| IMEI: 35220601xxxxxx
10:14:06| Phone ID: K790
10:14:06| Region: AMERICA_2
10:14:06| CDA: CDA102535/20 R6A
10:14:06| Firmware Version: R1JC002
10:14:06| EROM: R3A011
10:14:06| Ready for operation!
10:14:16| Sending db2020_cid01_prodid_p3j.bin...
10:14:16| Applet ID: 070129 0950 NGUCXC1250330_DB2020_PRODUCTIONIDLOADER_P3J
10:14:16| This is a PRODUCTION_ID loader
10:14:16| Sending db2020_mem_patcher_cid52_r2a006.bin...
10:14:17| Applet ID: 061205 1523 HANCXC9876543210_DB2020_MEM_PATCHER_R2A006 0
10:14:17| This is a MEM_PATCHER loader
10:14:17| Sending db2020_red52_cs_r3a009.bin...
10:14:18| Applet ID: 070410 1557 HANCXC1250562_DB2020_CSLOADER_R3A009
10:14:18| This is a CHIPSELECT loader
10:14:18| Activating loader...
10:14:18| Activating GDFS...

Please help me. My phone is dead, no white screen blinks, no turning on, nothing.

Thanks in advance.