Downgrading from A39 - GSM-Forum

Nocco · 09-20-2003, 08:36

Hi all,

I'm having a bit of trouble downgrading my friends GD87 from a A39 firmware to a A22, my phone was A22 to start with, so I had no trouble unlocking the phone, but as said my friend's phone is A39, so I need to downgrade to A22, thing is every time I do this and power the phone on, the screen just flickers in black tones, so I have to go back to A39 to get it to work again. The phone is on vodaphone network, and has the newer (ugly) icons, & redborders. Does anyone have any ideas for me to chew on?

Thanks for any help.

DrMobile · 09-20-2003, 09:31

U can't power on A39 GD87 with A22 firmware..

SOLUTION TO UNLOCK YOUR PHONE.

DOWNGRADE YOUR PHONE TO A22 (Phone will blink only)
THAN READ UNLOCK CODES or UNLOCK IT.

than AGAIN UPGRADE YOUR PHONE TO A39 than enter unlock codes.

Best Regards,
Wahab

Nocco · 09-20-2003, 09:33

Cheers mate, I'll give that a bash.

Nocco · 09-20-2003, 09:49

Yup, that worked indeed, thanks alot.

maka · 10-30-2003, 15:43

I have exactly the same problem, i have got my pins covered, downgraded to a22, but i cant recieve the unlocking codes from a39

it just keeps flickering and i have to take the battery out to try again...

any other ways?
i am using crack2d

otmagi · 10-31-2003, 17:12

can you describe the flashing pinout for gd87 please ???

Spalato · 11-01-2003, 01:39

Quote:

Originally posted by DrMobile
U can't power on A39 GD87 with A22 firmware...

Yes you can... I have downgraded many GAD87A39 phones to version 22... in fact, latest one this morning... readed codes with cracked soft and that's is... reset it with CB2000 and take money from the customer...

Spalato

Hanukkah · 11-01-2003, 06:31

Quote:

Originally posted by Spalato
Yes you can... I have downgraded many GAD87A39 phones to version 22... in fact, latest one this morning... readed codes with cracked soft and that's is... reset it with CB2000 and take money from the customer...

Spalato

Yes, but here before taking money from customer, I have to upgrade to a39 again... because when customer use 64K sim the phone will show invalid sim (and customer will complain and take back money

), If upgraded to a39 phone will accept 64K sim gladly.

Spalato · 11-01-2003, 11:54

Quote:

Originally posted by Hanukkah
Yes, but here before taking money from customer, I have to upgrade to a39 again... because when customer use 64K sim the phone will show invalid sim (and customer will complain and take back money ), If upgraded to a39 phone will accept 64K sim gladly.

For me there is no need to upgrade to A39 again... it 's all about the A22 flash and resetting it with CB2000...

And that flash is here on the forum, check posts in Panasonic section...

Spalato

Hanukkah · 11-01-2003, 14:22

Yeah my mistake.. I just remembered I was using the a21 flash.. maybe a22 didn't have that problem.

SmOg · 07-29-2006, 05:18

Quote:

Originally Posted by Spalato

For me there is no need to upgrade to A39 again... it 's all about the A22 flash and resetting it with CB2000...

And that flash is here on the forum, check posts in Panasonic section...

Spalato

After reseting with CB2000 A22 still blinking. So im looking for an A39 flash. Thank you!!

09-20-2003, 08:36	#1 (permalink)
Nocco Junior Member Join Date: Aug 2003 Location: UK Posts: 19 Member: 37897 Status: Offline Thanks Meter: 0	Downgrading from A39 Hi all, I'm having a bit of trouble downgrading my friends GD87 from a A39 firmware to a A22, my phone was A22 to start with, so I had no trouble unlocking the phone, but as said my friend's phone is A39, so I need to downgrade to A22, thing is every time I do this and power the phone on, the screen just flickers in black tones, so I have to go back to A39 to get it to work again. The phone is on vodaphone network, and has the newer (ugly) icons, & redborders. Does anyone have any ideas for me to chew on? Thanks for any help.

Similar Threads
Thread	Thread Starter	Forum	Replies	Last Post
downgrade from m55 v11 to m55 v10 official	bandrei2501	E-Gold Based Phones	10	06-14-2004 17:31
3200 downgraded from 3.12 to 3.08,can turn on but no display	Ran	Nokia Digital Core Technology 4 ( DCT-4 )	3	01-15-2004 12:46
downgrade from a38 to a22	brucele	Panasonic	0	05-10-2003 06:34
HELP! DEAD V50 after downgrading from TEST point.	gsm4dcs	Hardware Repair by brands	1	12-09-2002 02:38
T191 downgrade from 1.71 !!!	OrbiTel	Motorola ODM	0	03-31-2002 22:42

09-20-2003, 09:31	#2 (permalink)
DrMobile No Life Poster Join Date: Aug 2001 Location: P A K I S T A N _____________ Age: 40 Posts: 3,579 Member: 5932 Status: Offline Thanks Meter: 1,694	U can't power on A39 GD87 with A22 firmware.. SOLUTION TO UNLOCK YOUR PHONE. DOWNGRADE YOUR PHONE TO A22 (Phone will blink only) THAN READ UNLOCK CODES or UNLOCK IT. than AGAIN UPGRADE YOUR PHONE TO A39 than enter unlock codes. Best Regards, Wahab

09-20-2003, 09:33	#3 (permalink)
Nocco Junior Member Join Date: Aug 2003 Location: UK Posts: 19 Member: 37897 Status: Offline Thanks Meter: 0	Cheers mate, I'll give that a bash.

09-20-2003, 09:49	#4 (permalink)
Nocco Junior Member Join Date: Aug 2003 Location: UK Posts: 19 Member: 37897 Status: Offline Thanks Meter: 0	Yup, that worked indeed, thanks alot.

10-30-2003, 15:43	#5 (permalink)
maka Junior Member Join Date: Oct 2003 Posts: 16 Member: 42438 Status: Offline Thanks Meter: 0	I have exactly the same problem, i have got my pins covered, downgraded to a22, but i cant recieve the unlocking codes from a39 it just keeps flickering and i have to take the battery out to try again... any other ways? i am using crack2d

10-31-2003, 17:12	#6 (permalink)
otmagi Insane Poster Join Date: Apr 2001 Location: morocco Posts: 74 Member: 4118 Status: Offline Thanks Meter: 0	can you describe the flashing pinout for gd87 please ???

11-01-2003, 14:22	#10 (permalink)
Hanukkah No Life Poster Join Date: Jul 2001 Location: RP Age: 48 Posts: 890 Member: 5246 Status: Offline Thanks Meter: 9	Yeah my mistake.. I just remembered I was using the a21 flash.. maybe a22 didn't have that problem.