POST EDITED!!
Announcement:
Greetings Nokia users,
Since few months a small and new group emerged to light and offered for many of you the possibility to RE-HACK your phones and even better, they offered to Cook and Customize your Firmwares which was impossible until now!!
This group hasn't stopped here! It's continuously trying to break new frontiers in Nokia Firmware Hacking which enables users to extend their cooking to another level (like CORE editing).
However, some of you aren't aware of the time spent on cracking the firmwares, developing new tools and not forgetting the dangers of definitely Bricking our phones. So far, Szakalit had to repair phone in service two times after bricking it while trying to hack CORE. I also bricked it once so far and this kind of brick isn't flashable with JAF! Now all of you know that this costs money (8~10 euro per repair)

and that's why we included a Donate button in both tools NokiaEditor and NokiaFirmwareEditor.
Sadly, so far, our tools users hasn't been generous so far and we didn't receive but ~13 euros till now and these donations did come from almost 10 users!
Now when we compare the number of donations to the number of users using the tools, we find that it's not even close to 1%. As a team, we aren't looking for making money out of this, but at the same time, we aren't willing to invest our money (and time) repairing our phones too. So we need to buy JAF boxes so we can repair our phones at home.
Therefore, we are asking hereby for your help and you can do that by donating 
We have put our Donation buttons here and we are waiting to see user's generosity. Basing on that, PNHT will decide if they continue to distribute future builds freely or include a registration fee or not release a tool at all.Think and act Fast

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PNHT**********************************************************************************************Disclaimer: Do this hack at your own risk, you may damage your phone!
Hi all!!
Thanks to the great effort of the PNHT team, we were able to Hack Nokia N97 v20!
A big thank to all PNHT members and especially Szakalit 
Also a big thank to Beta Testers 
HACK (Edited):
This hack is for N97 RM-505 506 507 v20.0.019 or V20.0.027 and V21.0.045
INSTALLATION (Updated):
Try to use Phoenix first!!
Phoenix:
Since many users are reporting problems with JAF and since others were successful using Phoenix, our friend Parotz created a little tutorial on how to flash using Phoenix. He also included the programs to download.
Please follow this You are not allowed to view links.
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if you want to use Phoenix.
JAF:
Follow the same procedure in this thread (You are not allowed to view links.
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) for installing JAF, Navifirm, firmware download and flashing procedure. Note that you need to download the correct files for your correct RM (ex:505).
N97 V20 users should download one of these files hosted on different servers:You are not allowed to view links.
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Loginmegaupload v20.0.027
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Loginrapidshare v20.0.027
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Logindepositfiles v20.0.027
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Loginmegaupload v20.0.019
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Logindepositfiles v20.0.019
N97 V21 users should download one of these files hosted on different servers:You are not allowed to view links.
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Loginmegaupload v21.0.045
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Loginrapidshare v21.0.045
Once downloaded, copy the file to your firmware files location (
C:\Program Files\Common Files\Nokia\DataPackage\Products\RM-505\) and flash your phone.
If
JAF doesn't detect your phone, download this file (You are not allowed to view links.
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) to your JAF install location (ex:c:\program files\odeon\JAF). you may also download it form this thread.
Please remember to copy files from Patches.zip (found in 5800 thread) to your E:\PNHT===========================================================================
NEW METHOD BY thnx-parotZ (PHOENIX) EDITED BY Max_online32
I use phoenix for hack successful.
Files need1. navifirm for Download Nokia Firmware You are not allowed to view links.
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2. Phoenix 2009 for Flash Firmware You are not allowed to view links.
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3. Patches
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4. Nokia Firmware Hack by PNHT
You are not allowed to view links.
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LoginNokia 5800 XM Firmware Version 40
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LoginNokia N97 Firmware Version 20
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How to1. Download Firmware by use navifirm
2. Copy all files to folder C:\Program Files\Nokia\Phoenix\Products\RM-505\
3. Copy Nokia Firmware Hack by PNHT to same folder and overwrite.
4. Connect Phone with PC Suite mode
5. Run Phoenix



6. Select Scan Products

Program will found phone devices

7. Select Firmware Update

8. Select Refurbish

9. Select OK

10. When finish phone will reboot then uncompress Patches.zip to Memory Card Ex. E:\Patches

12. In your phone run RomPatcher and apply Patch for hack your phone ^^
Thanks & Credit: PNHT