N91 when flashing with latest firmware its imei 1234, if downgrade then white screen - GSM-Forum

NAVEED74 · 07-13-2011, 18:52

i got N91 which was white screen , i flashed with latest firmware , then its showing contact retailer,, and imei become 123456,, again i flashed back to old version.. imei ok.. but white screen...

i backup rpl and pm.. and ersae full phone and flashed with higher version again same thing.. even writing with rpl.. imei cannot restore;;

i tried to use mx key.. and atf.. but both same..

can anybody suggest what shall i do..

thanks

Br

Naveed

speedstarrr · 07-13-2011, 21:52

full erase then flash with v21 or v20 restore imei

shybet · 07-14-2011, 04:12

Try using BB5 downgrade fix.

Service -> Quick fix -> BB5 SW Downgrade fix.

gbluez · 07-14-2011, 06:44

N91 has 2 specific firmware for same HW, different size storage.
MCU 2.20 = for 2GB
MCU 3.00 = for 4GB

- reflash it with 2.20, apply downgrade patch from quick fix.

BR

Eliass · 10-10-2012, 10:49

Quote:

Originally Posted by gbluez

N91 has 2 specific firmware for same HW, different size storage.
MCU 2.20 = for 2GB
MCU 3.00 = for 4GB

- reflash it with 2.20, apply downgrade patch from quick fix.

BR

thank alot this has worked for me

07-13-2011, 18:52	#1 (permalink)
NAVEED74 No Life Poster Join Date: Oct 2005 Location: lahore Posts: 516 Member: 188574 Status: Offline Sonork: 100.1590742 Thanks Meter: 751	N91 when flashing with latest firmware its imei 1234, if downgrade then white screen i got N91 which was white screen , i flashed with latest firmware , then its showing contact retailer,, and imei become 123456,, again i flashed back to old version.. imei ok.. but white screen... i backup rpl and pm.. and ersae full phone and flashed with higher version again same thing.. even writing with rpl.. imei cannot restore;; i tried to use mx key.. and atf.. but both same.. can anybody suggest what shall i do.. thanks Br Naveed

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07-13-2011, 21:52	#2 (permalink)
speedstarrr No Life Poster Join Date: Apr 2006 Posts: 598 Member: 255072 Status: Offline Thanks Meter: 46	full erase then flash with v21 or v20 restore imei

07-14-2011, 04:12	#3 (permalink)
shybet No Life Poster Join Date: Apr 2007 Location: Edge of the world Posts: 529 Member: 492380 Status: Offline Thanks Meter: 184	Try using BB5 downgrade fix. Service -> Quick fix -> BB5 SW Downgrade fix.

07-14-2011, 06:44	#4 (permalink)
gbluez No Life Poster Join Date: Jul 2004 Posts: 11,049 Member: 73565 Status: Offline Thanks Meter: 5,062	N91 has 2 specific firmware for same HW, different size storage. MCU 2.20 = for 2GB MCU 3.00 = for 4GB - reflash it with 2.20, apply downgrade patch from quick fix. BR