Here are some tips and method for those, whose dont know
how to install this crack and how to flash or downgrading with Usb only.
Instalation Method: - Download the latest J.A.F Crack (1.98.62) (OGM_JAF_PKEY_Emulator_v4) Download Link: http://www.4shared.com/file/81442708...ulator_v4.html - Download and install the Orignal J.A.F Setup 1.98.62 Download Link: http://support.****************/files/JAF_Main_Software/ - Downlod Nokia_Connectivity_Cable_Driver_rel_6_85_10_0_eng (For Older Phone's) Download Link: http://www.4shared.com/file/77791141..._10_0_eng.html - Download Nokia_Connectivity_Cable_Driver_rel_7_0_2_0_eng (For Newer Phone's) Download Link: http://www.4shared.com/file/82315119...0_2_0_eng.html and here are most latest Nokia_Connectivity_Cable_Driver_rel_7_1_8_0_eng Download Link: http://www.4shared.com/file/82315496...1_8_0_eng.html
- Open the OGM_JAF_PKEY_Emulator_v4 application.
- Select "STEP 2 (SELECT EXE and GO)" tab.
- Click To "GO (launch selected EXE)" button.
J.A.F Soft/exe will be open as shown below:
Q:How to Downgrad/upgrade Or how to revive Dead Phone with Usb only ? Dead Usb Flashing:
- Select BB5 tab
- Select Manual Flash and USE INI
- Select your model and ini
- tick/chk Dead Usb option/box
- connect phone with Usb cable
- Press flash
- When software say Searching for phone...Init usb communication... press power on the phone. Software should start flash procedure.
Dead Usb Screen Shot (5310 RM-303) Successfully Done! 
Log: 5310 RM-303 Dead Usb Successfully Done! Code:
JAF version 1.98.62
Detected PKEY: 900097FB
Card life counter: 99.99%
P-key nokia module version 01.02
FBUS INTERFACE NOT CONNECTED!!!
USB Cable Driver version: 7.0.2.1
Changing mode...Done!
FILES SET FOR FLASHING:
MCU Flash file: NONE
PPM Flash file: NONE
CNT Flash file: NONE
APE Variant file: NONE
Searching for JAF saved location of ini...
Checking path: C:\Program Files\Nokia\Phoenix\Products\RM-303\
Searching for default location of ini...
Checking path: \Products\RM-303\
Searching for JAF saved location of ini...
Checking path: C:\Program Files\Nokia\Phoenix\Products\RM-303\
Scanning ini files...
Searching for default location of ini...
Checking path: \Products\RM-303\
Checking path: C:\Program Files\Nokia\Phoenix\Products\RM-303\
FILES SET FOR FLASHING:
MCU Flash file: C:\Program Files\Nokia\Phoenix\Products\RM-303\rm303__09.42.mcusw
PPM Flash file: C:\Program Files\Nokia\Phoenix\Products\RM-303\rm303__09.42.ppm_a
CNT Flash file: C:\Program Files\Nokia\Phoenix\Products\RM-303\rm303__09.42.image_a_red
APE Variant file: NONE
Languages in ppm: English,Finish,Swedish,Danish,Norwegian,German,Icelandic
Detected P-KEY: 900097FB
P-key nokia module version 01.02
Init usb communication...
PRESS POWER ON NOW!
Searching for phone...Found
Sending RAW loader...
Using 06.02.002
Elf2flash 07.14.000
CMT RAW loader...
Patching RAW boot step2...
Sending RAW Loader...
...................Loader Sent!
Stage 2 starting............................................................................Loader Sent!
Stage 3 starting..................Phone prepared OK!
Waiting for the phone to boot...
Searching for phone...
Status byte: 8000
Selecting CMT flash...
Result: 0000
Phone is in flash mode...
CMT blocks: 2004, APE blocks: 0
Erasing cmt...
Processing C:\Program Files\Nokia\Phoenix\Products\RM-303\rm303__09.42.mcusw...
Erasing cmt zone 00000000 - 000006BF ... Erase result: 0000
Erasing cmt zone 000006C0 - 0001FFFF ... Erase result: 0000
Erasing cmt zone 00040000 - 000BFFFF ... Erase result: 0000
Erasing cmt zone 000C0000 - 0013FFFF ... Erase result: 0000
Erasing cmt zone 00140000 - 010DFFFF ... Erase result: 0000
Erasing cmt zone 010E0000 - 0121FFFF ... Erase result: 0000
Processing C:\Program Files\Nokia\Phoenix\Products\RM-303\rm303__09.42.ppm_a...
Erasing cmt zone 01220000 - 0189FFFF ... Erase result: 0000
Processing C:\Program Files\Nokia\Phoenix\Products\RM-303\rm303__09.42.image_a_red...
Erasing cmt zone 018A0000 - 01B1FFFF ... Erase result: 0000
Erasing cmt zone 01B20000 - 03FBFFFF ... Erase result: 0000
Send CMT CFG...
Writing cmt...
Processing C:\Program Files\Nokia\Phoenix\Products\RM-303\rm303__09.42.mcusw...
Sending CMT HASH for NOLO
Sending CMT HASH for KEYS
Sending CMT HASH for PRIMAPP
Sending CMT HASH for PASUBTOC
cmt->PAPUB_CERTIFICATE_DATA_BB5 block detected, sending...
cmt->PAPUB keys already sent...
cmt->PAPUB keys already sent...
Sending CMT HASH for UPDAPP
Sending CMT HASH for DSP0
Sending CMT HASH for MCUSW
Processing C:\Program Files\Nokia\Phoenix\Products\RM-303\rm303__09.42.ppm_a...
Processing C:\Program Files\Nokia\Phoenix\Products\RM-303\rm303__09.42.image_a_red...
Rebooting...
Finishing CMT session...
Restarting CMT...
Pooling phone...
MCUSW: V 09.42
07-11-08
RM-303
(c) Nokia
APESW: (null)
VariantSW: (null)
Prodcode: 0548793
Done! Downgrading with Usb only:
- Select BB5 tab
- Select Manual Flash and USE INI
- Select your model and ini
- tick/chk Downgrade option/box
- connect phone with Usb cable (Phone must be Power On and select Pc Suite from Phone)
- Press flash (and dont make any intreption, flashing will start auto. . .)
Downgrading Screen Shot (5310 RM-303) Successfully Done! 
Log: 5310 RM-303 Downgraded Successfully Done! Code:
JAF version 1.98.62
Detected PKEY: 9000CC69
Card life counter: 99.99%
P-key nokia module version 01.02
FBUS INTERFACE NOT CONNECTED!!!
USB Cable Driver version: 7.0.2.1
Changing mode...Done!
FILES SET FOR FLASHING:
MCU Flash file: NONE
PPM Flash file: NONE
CNT Flash file: NONE
APE Variant file: NONE
Searching for JAF saved location of ini...
Checking path: C:\Program Files\Nokia\Phoenix\Products\RM-303\
Searching for default location of ini...
Checking path: \Products\RM-303\
Searching for JAF saved location of ini...
Checking path: C:\Program Files\Nokia\Phoenix\Products\RM-303\
Scanning ini files...
Searching for default location of ini...
Checking path: \Products\RM-303\
Checking path: C:\Program Files\Nokia\Phoenix\Products\RM-303\
FILES SET FOR FLASHING:
MCU Flash file: C:\Program Files\Nokia\Phoenix\Products\RM-303\rm303__05.81.mcusw
PPM Flash file: C:\Program Files\Nokia\Phoenix\Products\RM-303\rm303__05.81.ppm_a
CNT Flash file: C:\Program Files\Nokia\Phoenix\Products\RM-303\rm303__05.81.image_a_red
APE Variant file: NONE
Languages in ppm: English,Finish,Swedish,Danish,Norwegian,German,Icelandic
Backing up CRT...
Detected P-KEY: 9000CC69
P-key nokia module version 01.02
Init usb communication...
Reading IMEI...
C:\Program Files\ODEON\JAF\ProgData\358976018046911_CRT_backup_132251.pm
Done!
Backup CRT OK!
Preparing for downgrade...
Detected P-KEY: 9000CC69
P-key nokia module version 01.02
Init usb communication...
Phone ready for downgrade!
Detected P-KEY: 9000CC69
P-key nokia module version 01.02
Init usb communication...
Searching for phone...Found
Reading SW version...09.42
Reading battery value...3790 mV
Init usb flashing...
Reading flashid... 128k flash detected.
CMT: 220C00EC <=> SAMSUNG (SEC) -> K5G1257ATM
APE: 00000000 <=> Flash -> not detected
Verifing ADL communication... Status byte 2
Scanning selected flash files...
Found CMT ULO server in flash file...
ADL->Loader: Update Application Loader -> Single Chip
Loader len: 292480, CHK: 0x513B
ADL -> Sending loader...
.........................................................................................................................................................
Waiting for the phone to boot...
Searching for phone...
Status byte: 8000
Selecting CMT flash...
Result: 0000
Phone is in flash mode...
CMT blocks: 1998, APE blocks: 0
Erasing cmt...
Processing C:\Program Files\Nokia\Phoenix\Products\RM-303\rm303__05.81.mcusw...
Erasing cmt zone 00000000 - 000006BF ... Erase result: 0000
Erasing cmt zone 000006C0 - 0001FFFF ... Erase result: 0000
Erasing cmt zone 00040000 - 000BFFFF ... Erase result: 0000
Erasing cmt zone 000C0000 - 0013FFFF ... Erase result: 0000
Erasing cmt zone 00140000 - 010DFFFF ... Erase result: 0000
Erasing cmt zone 010E0000 - 0121FFFF ... Erase result: 0000
Processing C:\Program Files\Nokia\Phoenix\Products\RM-303\rm303__05.81.ppm_a...
Erasing cmt zone 01220000 - 0189FFFF ... Erase result: 0000
Processing C:\Program Files\Nokia\Phoenix\Products\RM-303\rm303__05.81.image_a_red...
Erasing cmt zone 018A0000 - 01B1FFFF ... Erase result: 0000
Erasing cmt zone 01B20000 - 03FBFFFF ... Erase result: 0000
Send CMT CFG...
Writing cmt...
Processing C:\Program Files\Nokia\Phoenix\Products\RM-303\rm303__05.81.mcusw...
Sending CMT HASH for NOLO
Sending CMT HASH for KEYS
Sending CMT HASH for PRIMAPP
Sending CMT HASH for PASUBTOC
cmt->PAPUB_CERTIFICATE_DATA_BB5 block detected, sending...
cmt->PAPUB keys already sent...
cmt->PAPUB keys already sent...
Sending CMT HASH for UPDAPP
Sending CMT HASH for DSP0
Sending CMT HASH for MCUSW
Processing C:\Program Files\Nokia\Phoenix\Products\RM-303\rm303__05.81.ppm_a...
Processing C:\Program Files\Nokia\Phoenix\Products\RM-303\rm303__05.81.image_a_red...
Rebooting...
Finishing CMT session...
Restarting CMT...
Pooling phone...
MCUSW: V 05.81
06-02-08
RM-303
(c) Nokia
APESW: (null)
VariantSW: (null)
Prodcode: 0548793
Done!
B.R.,
kashi4gul