Chinese n97 Boot baudrate problem - GSM-Forum

seba6250 · 09-02-2010, 20:51

hi
i have today "n97"

i can't connect, i changed speed and computer, also i have two boxes and still nothing
please help me
COM4 [VCP0] selected
module v3.21
Device: Autodetect 6205-6239 NOR
Checking data, wait...
advanced flash detection enabled
Action: read flash
====> Boot ...
Press and HOLD Power button now !
19200 fixed
Connecting, wait...
Initializing [6235:8A04:8A01]...
CPU: MT6235
high speed boot On
chip: 0000:0000:0003
status: FF
boot packet size: 0400
Release Power button now !
in case of initial connection problem: on/off "Boot baudrate autoselect"
Boot Fail
Finished, time used: 12 sec
Remove/Install battery now !

YellowBoss · 09-02-2010, 21:22

Hi,

1. try to press and HOLD phone "Power" button more long time.
2. What is the problem with phone ? Is it alive or damaged phone ?

mswmkm · 09-02-2010, 22:50

I also had this problem with some phones.. Do following..

100% Tested and Working solution for this Problem

1. Give power to the phone(VPP and GND)and connect to the box.

2. Connect a Wire to phone GND(-) and catch it's other end. now you
must feel some current on your hand.(earth-current)

2.Run Chinese miracle soft and keep pressing power button Until Whole
operation end.

Tested by me many TIMES.........
GD Luck..

seba6250 · 09-03-2010, 08:35

so i must connect normally ,but ground by my body?

mswmkm · 09-03-2010, 13:36

Yes connect Normally Vpp, Gnd , infinity cable to the phone. and also connect a wire to phone gnd and catch it.(You must feel some current on your hand).

seba6250 · 09-04-2010, 12:54

nothing:/
i used battery and grounded by inf cable and also by hand:/
still same

rameez_gsm · 09-04-2010, 15:26

Hello select Nand type cpu & check again...........

mswmkm · 09-04-2010, 17:03

So..
Try this..
1. disassemble the phone and get the PCB out.
2. connect phone to infinity box and give power to the phone(it is good to use on
board RX/TX point)
3. Run the software.
4. Find "power on" test point on the PCB and connect it to the phone ground
using twister tool.(keep doing this until the operation end)

5. If not boot, it is a CPU faulty. try to reheat the CPU.

seba6250 · 09-04-2010, 22:19

it's not a nand , same error
mswmkm what's mean twister tool?

i used tp on board because there is no rx,tx signal on mico usb.
i have on board vpp,rx,tx,power and i acd3 ord adc3 something like that...

mswmkm · 09-04-2010, 23:46

Sorry for my bad spelling.. it is tweezer tool.

use this kind of tool for power on tp grounding.(because your hand also
connecting to the pcb through this tool).

seba6250 · 09-06-2010, 10:28

nothing:/ same situation

InfinityHelp · 09-06-2010, 23:24

hello!

what operation you trying to perform?
please select NAND CPU type.
your phone is NAND!

dev452005 · 09-07-2010, 12:30

Quote:

Originally Posted by InfinityHelp

hello!

what operation you trying to perform?
please select NAND CPU type.
your phone is NAND!

can u please tell me where i hv to select nand option ................

rameez_gsm · 09-07-2010, 16:43

Quote:

Originally Posted by dev452005

can u please tell me where i hv to select nand option ................

Hello see this picture.......

seba6250 · 09-09-2010, 22:08

my phone is nand??i don't think so....i saw today that on RX tp i have 0,47v what sholud i do???

09-02-2010, 20:51	#1 (permalink)
seba6250 Freak Poster Join Date: Sep 2009 Location: www.telefony-nawigacje.pl Posts: 225 Member: 1122479 Status: Offline Thanks Meter: 22	Chinese n97 Boot baudrate problem hi i have today "n97" i can't connect, i changed speed and computer, also i have two boxes and still nothing please help me COM4 [VCP0] selected module v3.21 Device: Autodetect 6205-6239 NOR Checking data, wait... advanced flash detection enabled Action: read flash ====> Boot ... Press and HOLD Power button now ! 19200 fixed Connecting, wait... Initializing [6235:8A04:8A01]... CPU: MT6235 high speed boot On chip: 0000:0000:0003 status: FF boot packet size: 0400 Release Power button now ! in case of initial connection problem: on/off "Boot baudrate autoselect" Boot Fail Finished, time used: 12 sec Remove/Install battery now !

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09-02-2010, 21:22	#2 (permalink)
YellowBoss Product Supporter Join Date: Jun 2009 Location: private Posts: 36,475 Member: 1043909 Status: Offline Thanks Meter: 60,926	Hi, 1. try to press and HOLD phone "Power" button more long time. 2. What is the problem with phone ? Is it alive or damaged phone ?

09-02-2010, 22:50	#3 (permalink)
mswmkm Freak Poster Join Date: Jan 2009 Posts: 380 Member: 950629 Status: Offline Thanks Meter: 105	I also had this problem with some phones.. Do following.. 100% Tested and Working solution for this Problem 1. Give power to the phone(VPP and GND)and connect to the box. 2. Connect a Wire to phone GND(-) and catch it's other end. now you must feel some current on your hand.(earth-current) 2.Run Chinese miracle soft and keep pressing power button Until Whole operation end. Tested by me many TIMES......... *GD Luck..*

09-03-2010, 08:35	#4 (permalink)
seba6250 Freak Poster Join Date: Sep 2009 Location: www.telefony-nawigacje.pl Posts: 225 Member: 1122479 Status: Offline Thanks Meter: 22	so i must connect normally ,but ground by my body?

09-03-2010, 13:36	#5 (permalink)
mswmkm Freak Poster Join Date: Jan 2009 Posts: 380 Member: 950629 Status: Offline Thanks Meter: 105	Yes connect Normally Vpp, Gnd , infinity cable to the phone. and also connect a wire to phone gnd and catch it.(You must feel some current on your hand).

09-04-2010, 12:54	#6 (permalink)
seba6250 Freak Poster Join Date: Sep 2009 Location: www.telefony-nawigacje.pl Posts: 225 Member: 1122479 Status: Offline Thanks Meter: 22	nothing:/ i used battery and grounded by inf cable and also by hand:/ still same

09-04-2010, 15:26	#7 (permalink)
rameez_gsm No Life Poster Join Date: Aug 2006 Location: P@kIsTaN Posts: 1,548 Member: 327384 Status: Offline Sonork: 100.1605419 Thanks Meter: 312	Hello select Nand type cpu & check again...........

09-04-2010, 17:03	#8 (permalink)
mswmkm Freak Poster Join Date: Jan 2009 Posts: 380 Member: 950629 Status: Offline Thanks Meter: 105	So.. Try this.. 1. disassemble the phone and get the PCB out. 2. connect phone to infinity box and give power to the phone(it is good to use on board RX/TX point) 3. Run the software. 4. Find "power on" test point on the PCB and connect it to the phone ground using twister tool.(keep doing this until the operation end) 5. If not boot, it is a CPU faulty. try to reheat the CPU.

09-04-2010, 22:19	#9 (permalink)
seba6250 Freak Poster Join Date: Sep 2009 Location: www.telefony-nawigacje.pl Posts: 225 Member: 1122479 Status: Offline Thanks Meter: 22	it's not a nand , same error mswmkm what's mean twister tool? i used tp on board because there is no rx,tx signal on mico usb. i have on board vpp,rx,tx,power and i acd3 ord adc3 something like that...

09-04-2010, 23:46	#10 (permalink)
mswmkm Freak Poster Join Date: Jan 2009 Posts: 380 Member: 950629 Status: Offline Thanks Meter: 105	Sorry for my bad spelling.. it is tweezer tool. use this kind of tool for power on tp grounding.(because your hand also connecting to the pcb through this tool).

09-06-2010, 10:28	#11 (permalink)
seba6250 Freak Poster Join Date: Sep 2009 Location: www.telefony-nawigacje.pl Posts: 225 Member: 1122479 Status: Offline Thanks Meter: 22	nothing:/ same situation

09-06-2010, 23:24	#12 (permalink)
InfinityHelp Product Supporter Join Date: May 2005 Location: uae Posts: 29,245 Member: 148515 Status: Offline Thanks Meter: 19,534	hello! what operation you trying to perform? please select NAND CPU type. your phone is NAND!

09-09-2010, 22:08	#15 (permalink)
seba6250 Freak Poster Join Date: Sep 2009 Location: www.telefony-nawigacje.pl Posts: 225 Member: 1122479 Status: Offline Thanks Meter: 22	my phone is nand??i don't think so....i saw today that on RX tp i have 0,47v what sholud i do???