how to remove the HardSPL for K-Jam G4 - G4

Hello;
I would like to return to the originel IPL /SPL for the K-jam G4, I find some originel IPL/SPL in the forum but I did not found the originel of the K-jam.
Any idea !
________________________
IPL: 2.21.0001 (G4 device)
SPL: 2.21.Olip (G4 device w/ HardSPL)
Built on Aug 26 2007 at 19:41:34
Copyright (c) 2007 Olipro & HTC - Hard-SPL
=> Firmware:
OS: 5.2.xxx (Build 19199.1.0.0) SNN WM 6.1
ROM: 2.18
Registry AKU: .1.0.0
Radio: 02.25.11
Protocol: 4.1.13.12

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essultane said:
Hello;
I would like to return to the originel IPL /SPL for the K-jam G4, I find some originel IPL/SPL in the forum but I did not found the originel of the K-jam.
Any idea !
________________________
IPL: 2.21.0001 (G4 device)
SPL: 2.21.Olip (G4 device w/ HardSPL)
Built on Aug 26 2007 at 19:41:34
Copyright (c) 2007 Olipro & HTC - Hard-SPL
=> Firmware:
OS: 5.2.xxx (Build 19199.1.0.0) SNN WM 6.1
ROM: 2.18
Registry AKU: .1.0.0
Radio: 02.25.11
Protocol: 4.1.13.12
Click to expand...
Click to collapse
Just follow the method explained in the guide 'How to remove HardSPL' and you can use any Official IPL/SPL to flash back to G4 ipl/spl and download the official k-jam stock rom and flash to revert back to wm5.

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OK for removing HardSPL but rom upgrade not possible.
thanks for your reply.
I succed to remove the Hard SPL but putting Vodafone IPL/SPL, the K-jam reboot after normally and showing :
IPL 2.17.0001
SPL 2.17.0001
but upgrade with originel K-jam rom is not possible.
I succed to have the The colored screen but RUU show this error ;
____________________________________________________________
ERROR [296] upgrade only the nbf can not be used for your pda phone
please get newer nbf file.
____________________________________________________________
please advise.

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i want remove hardspl & want to restore original what was there!
-i read your thread How To: Remove HardSPL
http://forum.xda-developers.com/showthread.php?t=342744
-now fact is that i didnt buy kjam(wizard device) from any operator.
in india you have two type of mobile
one which are with operator (called cdma)
other which u can buy from market & insert any sim into it.
mine is 2nd device (which u can buy from market & insert any sim into it.)
-orginally hardspl was 2.16.0001
i want to restore it back it imate kjam!!!
i have downloaded rom from imate site also!!! but i tried to installed it failed as my hardspl is like:-
The IPL version 2.21.0001 and the SPL 2.21.olip
-so question is that in your post How To: Remove HardSPL do i need to download any of below said things
what should i replace in .nbf file as none of attachment belongs to be.
pls answer soon as i have only 1 week left in my waranty period of repair/replacemant!!

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i cant find G4 IPL&SPL for my k-jam on that page what do i must to do????whare can iafind it please help me soon.

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mp1368 said:
i cant find G4 IPL&SPL for my k-jam on that page what do i must to do????whare can iafind it please help me soon.
Click to expand...
Click to collapse
I know it's late now and this is more of a warning, but people should make IPL/SPL backup with WST before applying the HardSPL because they can be used later on to restore the phone to original condition. I have done it myself with a friend's G4.