mt 6252 6250 big problem - GSM-Forum

Boyov-txa · 05-26-2012, 16:53

hi all, not support CPU, infinity team pleazse help
COM2 [VCP0] selected
module v4.27
Device: _Autodetect MT6252-6253 NOR
Checking data, wait...
Action: read flash NAND
interface: BROM_DLL_v3.1108.00
Connect...
Phone should be Switched OFF !
Press and HOLD Power button now !
Connecting...
Booting...
Release Power button now !
bootcode current/expected: 3.2/3.2
CPU: 6250:CA02:0100
status: FF
bbchip bl ver: FE
NOR flash id[0000]: 0000:000000000000 [AMD] AM29DL323D
chip size: 0Mb
otp status/size: S_DONE/00000000
NAND flash id[0000]: 0000:000000000000 [SAMSUNG] K9F5608Q0C
chip size: 0Mb
page/spare size: 0000/0000
pages per block: 0000
bits i/o: 00
address cycles: 00
internal RAM size: 00000000
external RAM [HW_RAM_UNKNOWN, CS0] size: 00000000
error: can not boot device: 0C0B:S_DA_UNSUPPORTED_BBCHIP
error: last error: 0C0B:S_DA_UNSUPPORTED_BBCHIP
Disconnect...
done
Finished, time used: 23 sec
Remove/Install battery now !

YellowBoss · 05-27-2012, 10:52

Hello,

Could you, please, try to press and hold phone "Power" button more long time during boot process.
What is the results ?

Boyov-txa · 05-28-2012, 09:36

result same. phone cant connect

Stoyan · 05-29-2012, 12:00

absolutely the same problem here, phone chinese E71 - red edition MTK6250,
Cannot read fullflash

YellowBoss · 06-01-2012, 05:55

Quote:

Originally Posted by Stoyan

absolutely the same problem here, phone chinese E71 - red edition MTK6250,
Cannot read fullflash

Hello,

Could you, please, post operation log anyway.
Thanks !

YellowBoss · 06-01-2012, 07:34

Hello,

Just got one phone for test with similar problem.
Phone was booted well after I press and hold "power" button all time during boot process. "Power" button should be released after you will see "Set baudrate" message.

Stoyan · 06-01-2012, 08:35

Quote:

Originally Posted by YellowBoss

Hello,

Could you, please, post operation log anyway.
Thanks !

Cannot now, phone was read with flash tool and flash translated as usual.
returned to customer

05-26-2012, 16:53	#1 (permalink)
Boyov-txa Freak Poster Join Date: Aug 2007 Age: 37 Posts: 281 Member: 571263 Status: Offline Thanks Meter: 67	mt 6252 6250 big problem hi all, not support CPU, infinity team pleazse help COM2 [VCP0] selected module v4.27 Device: _Autodetect MT6252-6253 NOR Checking data, wait... Action: read flash NAND interface: BROM_DLL_v3.1108.00 Connect... Phone should be Switched OFF ! Press and HOLD Power button now ! Connecting... Booting... Release Power button now ! bootcode current/expected: 3.2/3.2 CPU: 6250:CA02:0100 status: FF bbchip bl ver: FE NOR flash id[0000]: 0000:000000000000 [AMD] AM29DL323D chip size: 0Mb otp status/size: S_DONE/00000000 NAND flash id[0000]: 0000:000000000000 [SAMSUNG] K9F5608Q0C chip size: 0Mb page/spare size: 0000/0000 pages per block: 0000 bits i/o: 00 address cycles: 00 internal RAM size: 00000000 external RAM [HW_RAM_UNKNOWN, CS0] size: 00000000 error: can not boot device: 0C0B:S_DA_UNSUPPORTED_BBCHIP error: last error: 0C0B:S_DA_UNSUPPORTED_BBCHIP Disconnect... done Finished, time used: 23 sec Remove/Install battery now !

05-28-2012, 09:36	#3 (permalink)
Boyov-txa Freak Poster Join Date: Aug 2007 Age: 37 Posts: 281 Member: 571263 Status: Offline Thanks Meter: 67	same result no boot result same. phone cant connect

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05-27-2012, 10:52	#2 (permalink)
YellowBoss Product Supporter Join Date: Jun 2009 Location: private Posts: 36,453 Member: 1043909 Status: Offline Thanks Meter: 60,921	Hello, Could you, please, try to press and hold phone "Power" button more long time during boot process. What is the results ?

05-29-2012, 12:00	#4 (permalink)
Stoyan No Life Poster Join Date: Aug 2002 Location: BULGARIA Age: 53 Posts: 1,185 Member: 14868 Status: Offline Thanks Meter: 44	absolutely the same problem here, phone chinese E71 - red edition MTK6250, Cannot read fullflash

06-01-2012, 07:34	#6 (permalink)
YellowBoss Product Supporter Join Date: Jun 2009 Location: private Posts: 36,453 Member: 1043909 Status: Offline Thanks Meter: 60,921	Hello, Just got one phone for test with similar problem. Phone was booted well after I press and hold "power" button all time during boot process. "Power" button should be released after you will see "Set baudrate" message.