FLASH BACK TO K750 R1CA021

This tutorial will help users of W800 R1BC002, K750 R1DB001,… or any other firmware… to flash their fones to the best known firmware released on k750 till date… R1CA021.

For those of you who haven’t registered themselves at www.topsony.com, do it now!

Files you will need:

1) XS++, download from here
2) USB flash drivers, (for those who r new to flashing)
3) Firmware files (K750 CID49)
Firmware files for CID36 are also available at the same site.


Backup all your contacts, data, etc etc….

Unpack all the downloaded files.

STEP1: Installing USB flash…

If ur flashing for the first time, then u will need to install the driver from USB Flash Drivers from
http://sarathrit.4shared.com
password : sarath

STEP2: Flashing FS.
Turn off fone and remove sim. Replace battery. Now Open XS++ and connect fone after hitting START as instructed on the left side screen. Check the Flash FilesSytem Tab. Browse and select the files ‘K750_R1CA021_FS_EMEA_6_RED49.fbn’ that u downloaded and unpacked. Now hit flash. After completion, unplug fone, re-insert battery to refresh, and restart XS++.

STEP3: Customizing FS.
Again connect fone to XS++ the same way as before. This time check Customize FileSystem . use the settings: Phone… K750, CDA… 102337/103 EMEA6. now hit FLASH and follow the instructions on the left side screen. Unplug fone and re-insert battery after ur done. Restart XS++.

STEP4: Flashing MAIN.
Connect fone to XS++. This time, check Flash Main, browse and select file ‘K750_R1CA021_MAIN_EU_1_CL_RED49.mbn’ that u downloaded. Now hit flash. After completion of the process, unplug fone and close XS++.

Insert SIM and start fone. You are back to K750!!! Congratulations!!!