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Old 03-16-2008, 15:43   #1 (permalink)
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all mtk 6205


dear supporter
all of us have problem when formatting mtk 6205 chip
cause when we press power to connect the phone
and relese it the boot stop and when we prees long time the phone
will power and complete the format but nothing happend in the phone
so we want to fix this problem

i have alot of phone with mtk6205

thank you

b.r.
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Old 03-16-2008, 15:52   #2 (permalink)
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Please, explain th problem little bit detailed, post logs here.
I can't understand what is the problem because I never have seen any problems with old phones based on MT6205 CPU.
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Old 03-16-2008, 15:55   #3 (permalink)
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yes i have the same problem with chip6205
i try to format but nothing not format plz what problem
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Old 03-16-2008, 16:11   #4 (permalink)
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@zakryia
Did you read my previous message ?
If not yet (but it's little bit strange), please, read it and reply according to my request.
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Old 03-17-2008, 06:43   #5 (permalink)
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i want to formate sands a303i .cpu is 6205
here is operation log
COM5 selected
Device: Autodetect 6205-6227 NOR
Checking data, wait...
advanced flash detection enabled
eeprom backup enabled, it may takes several minutes !
Action: reset
Boot...
Press and HOLD Power button now !
19200 fixed
Connecting, wait...
Initializing[6205:8B00]...
CPU: MT6205
high speed boot enabled
boot step size: 0400
Release Power button now !
Boot Done
Initialize...
detecting chip #00 in region #00...
error: wrong answer[2A]
error: no any expected answer: wrong answer after chip id request
error: wrong answer[3B]
error: no any expected answer: wrong answer after chip cfi request
error: no any expected answer: wrong answer after chip id request
number of flash chip/regions detected: 00/01
Unknown or damaged flash chip, operation aborted.

Fault reasons:
1. damaged flash chip: replace or resolder/reball flash chip
2. damaged hardware: check hardware, water inside etc.
3. unknown hardware: set "Advanced chip detection method" box [un-checked] and try again
4. wrong model selection, try 'NAND' selection
Initialize Fail
Finished, time used: 30 sec
Remove/Install battery now !

b(.)(.)r
mobilecraker
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Old 03-17-2008, 10:16   #6 (permalink)
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hello!

do you know that 6205 is second MCU (MCU_b)
why you need to format it?
how do you boot it? via pressing button or via setting to GND power_b test point?
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Old 03-17-2008, 10:54   #7 (permalink)
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Quote:
Originally Posted by InfinityHelp View Post
hello!

do you know that 6205 is second MCU (MCU_b)
why you need to format it?
how do you boot it? via pressing button or via setting to GND power_b test point?
now i open the phone n
1.cpu is mt 6226
2. i need to formate this one bcoz with sim its getting restart
3.i m using vepro box for dection
if the steps are wrong then please guide me with right procedure
thanx
mobiecraker
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Old 03-17-2008, 12:29   #8 (permalink)
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@mobilecraker
You need to find pinout for FIRST (main) CPU and format first CPU flash.
First CPU is MT6226.
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Old 03-17-2008, 12:36   #9 (permalink)
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Quote:
Originally Posted by InfinitySupport View Post
@mobilecraker
You need to find pinout for FIRST (main) CPU and format first CPU flash.
First CPU is MT6226.
thanx already solve
i find the pinout near sim jacks n after formating first cpu mobile is working ok
now

thanx for quick support
mobilecraker
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Old 05-12-2009, 21:04   #10 (permalink)
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Quote:
Originally Posted by InfinitySupport View Post
@mobilecraker
You need to find pinout for FIRST (main) CPU and format first CPU flash.
First CPU is MT6226.
thnx infinity help,problem solved in ztc 786
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