How to convert A50 into C45? - GSM-Forum

BufferMess · 06-09-2003, 15:30

Please help me

Thanks
Sean Archer

Deltas · 06-09-2003, 19:01

-A50 board : remove 01 resistor ( right cpu ) , move down 01 resistor ( left cpu ) . easy to see that if u compare A50 board and c45 board !
-flashing a50 with full c45 flash file ( u can use Unisiemens soft ) .
-repair Imei with Maxim 4A44 software or some another Siemens tool ! ( Maxim 4A44 can't not repair if u see ST flash chip ). in that case , u can use New ID write map .
Thats all!

darkeye_bob · 07-08-2003, 09:21

Hi deltas, I have try this convertion , but to full flash A50 I need to use the test point. It don't work without him, even if I have moved the resistor. ???
You have any idea were I have wrong ?
10X

D-Brain · 07-30-2003, 13:09

Hi,

I've tryed this method, changing and removing resistor, flashing A50 with a C45 Fullbackup made with unisiemens, but now I have a DEAD A50

What did I made wrong???

Bye n Thanks

-d-brain

alro · 07-30-2003, 13:31

Pls people, why you should make a50 a c45? What is the advantage?

D-Brain · 07-30-2003, 13:37

Because I have to replace a logic board of a customer...

and because A50 doesn't have multiple time alarms.

Bye

d-brain

Jiminay2000 · 11-18-2003, 16:29

I replased c45 flashes with a50 chips. Flash it with c45 firmware. After that phone didn't ****ch on, but after several hours I can swith it on. Now phone works, but permanently flashing backlight

06-09-2003, 15:30	#1 (permalink)
BufferMess No Life Poster Join Date: Mar 2002 Location: Karabakh - Azeris motherland Age: 45 Posts: 816 Member: 9856 Status: Offline Thanks Meter: 2	How to convert A50 into C45? Please help me Thanks Sean Archer

07-30-2003, 13:09	#4 (permalink)
D-Brain Freak Poster Join Date: Nov 2001 Location: Italy Posts: 184 Member: 7301 Status: Offline Thanks Meter: 0	I've tryed, but it doesn't work Hi, I've tryed this method, changing and removing resistor, flashing A50 with a C45 Fullbackup made with unisiemens, but now I have a DEAD A50 What did I made wrong??? Bye n Thanks -d-brain

07-30-2003, 13:37	#6 (permalink)
D-Brain Freak Poster Join Date: Nov 2001 Location: Italy Posts: 184 Member: 7301 Status: Offline Thanks Meter: 0	why!?.... Because I have to replace a logic board of a customer... and because A50 doesn't have multiple time alarms. Bye d-brain

11-18-2003, 16:29	#7 (permalink)
Jiminay2000 No Life Poster Join Date: May 2003 Location: Ru Age: 48 Posts: 539 Member: 29155 Status: Offline Thanks Meter: 15	Re: why!?.... I replased c45 flashes with a50 chips. Flash it with c45 firmware. After that phone didn't ****ch on, but after several hours I can swith it on. Now phone works, but permanently flashing backlight

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06-09-2003, 19:01	#2 (permalink)
Deltas No Life Poster Join Date: Jun 2002 Location: Vietnam Age: 57 Posts: 559 Member: 13356 Status: Offline Thanks Meter: 2	-A50 board : remove 01 resistor ( right cpu ) , move down 01 resistor ( left cpu ) . easy to see that if u compare A50 board and c45 board ! -flashing a50 with full c45 flash file ( u can use Unisiemens soft ) . -repair Imei with Maxim 4A44 software or some another Siemens tool ! ( Maxim 4A44 can't not repair if u see ST flash chip ). in that case , u can use New ID write map . Thats all!

07-08-2003, 09:21	#3 (permalink)
darkeye_bob Freak Poster Join Date: Feb 2003 Location: Tasmania Age: 55 Posts: 123 Member: 21408 Status: Offline Thanks Meter: 0	Hi deltas, I have try this convertion , but to full flash A50 I need to use the test point. It don't work without him, even if I have moved the resistor. ??? You have any idea were I have wrong ? 10X

07-30-2003, 13:31	#5 (permalink)
alro Freak Poster Join Date: Mar 2001 Location: Australia Age: 41 Posts: 497 Member: 3671 Status: Offline Thanks Meter: 28	Pls people, why you should make a50 a c45? What is the advantage?