5200 downgrade problem - GSM-Forum

trentini · 11-02-2008, 04:43

Hi you all. I have Tornado with HWK and BB5. To unlock some versions like 5200 v5.53 some people says to downgrade the phone to version 5.00. After downgrade the phone does not turn on anymore. Actually keep turning on and off. If I restore the version phone is ok again but I cant use the versions higher than 5.00 in this nokia to unlock using my BB5 box. Some sugestion? Tks in advance.
trentini

Black_Daimond · 01-15-2009, 17:08

I have excactly same problem. I have HWK and I try to downgreat, but in UI settings it fails, and Phone powers on, and go off back after showing NOKIA logo.

Any idea how to do the correct downgrade procces???

Please help!

KARABO · 01-15-2009, 18:43

full cert backup, 308 pm backup,use good 5200 pm then full erase and flash with any firmware you like, restore cert restore 308 pm and 5200 good pm and done.

regards
karabo

11-02-2008, 04:43	#1 (permalink)
trentini Freak Poster Join Date: Feb 2004 Age: 45 Posts: 193 Member: 52170 Status: Offline Thanks Meter: 8	5200 downgrade problem Hi you all. I have Tornado with HWK and BB5. To unlock some versions like 5200 v5.53 some people says to downgrade the phone to version 5.00. After downgrade the phone does not turn on anymore. Actually keep turning on and off. If I restore the version phone is ok again but I cant use the versions higher than 5.00 in this nokia to unlock using my BB5 box. Some sugestion? Tks in advance. trentini

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01-15-2009, 17:08	#2 (permalink)
Black_Daimond No Life Poster Join Date: Sep 2005 Location: The Netherlands Antilles Age: 50 Posts: 758 Member: 179391 Status: Offline Thanks Meter: 57	I have excactly same problem. I have HWK and I try to downgreat, but in UI settings it fails, and Phone powers on, and go off back after showing NOKIA logo. Any idea how to do the correct downgrade procces??? Please help!

01-15-2009, 18:43	#3 (permalink)
KARABO Freak Poster Join Date: Oct 2005 Location: SOUTH AFRICA Posts: 205 Member: 193720 Status: Offline Thanks Meter: 16	full cert backup, 308 pm backup,use good 5200 pm then full erase and flash with any firmware you like, restore cert restore 308 pm and 5200 good pm and done. regards karabo