III-Share-III-Android Phones Force Preloader Mode Test Points AKA REPAIR DEAD BOOTS - GSM-Forum

Faisal_Computer · 05-15-2013, 08:12

Hello,
Please share here all your tested preloader mode tested TestPinouts ....

Little Guide :

What is it ?
in MTK Android there is many Partitions in your phone. like Preloader, Recovery, Bootimg etc..... if somehow Preloader get Corrupted then you phone will not able to DETECT WITH PC !!! in other words you will have phone with BOOT DEAD.

How Preloader get corrupted ?
There could be few reasons but main reason could be that someone or you Flash your complete phone (include Preloader) with wrong files or with wrong ver. Also there could be reason someone Delete Preloader or you Deleted.

How could i know my phone have preloader dead ?

Preloader can be dead if some one Flash it wrong and after flash your mobile will not detect with pc any more. for confirm
open device manager
take battery out from phone
insert usb
insert battery
and check is computer detecting any device
If it's not detect then you have phone which Preloader is dead AKA Boot Dead

How can i repair it ?

you have to disassemble your phone and take pcb out. check there should be some Golden points. check these points there should be written on them Rx,Tx,GND,Vcc,Vcharge etc... check there should be written "COLO" or "KOLO" or "KCOLO" you have to Sold that point with GND After Sold Attach usb now your phone will detect with USB !! and now ready to Flash.
In some phones "COLO" or "KOLO" or "KCOLO" not written for those type of phones you have to test all points one by one Short Golden point with GND and attach usb cable which point short with gnd can able to detect your phone by pc is Force Preloader Mode Test Point !! Keep in mind Don't Short Vcc,Vcharge or any other pin which have 4.x Volts also i had tested "Colo" or "Kolo" or "KCOLO" don't have any kind of volts..

So Please share your Researched Force Preloader mode TestPoint Picture with Model name

Here i am starting with two pictures

Qmobile A10 Dead boot repair TP
CPU TYPE:6575
Special Thanks to Danish for test

Qmobile A2
CPU TYPE:6573
Special Thanks to SweatHamza for Test

All Off topic will be deleted !! keep this Thread clean
@ All Copy pasters Don't Copy this

Br
Faisal_Computer

dicle_gsm · 05-15-2013, 08:32

This solution not only died for phones ?

Faisal_Computer · 05-15-2013, 08:38

Quote:

Originally Posted by dicle_gsm

This solution not only died for phones ?

This solution also works for those phones which is not making Stable com port !! Even after Pressing Boot key from boot
Br
Faisal_Computer

naushad09 · 05-15-2013, 14:56

1 question this soluation also working in spd ic like karbon A1+ ....?
means colo kolo point also in spd phone. or its only mtk andoried

Faisal_Computer · 05-15-2013, 15:55

Quote:

Originally Posted by naushad09

1 question this soluation also working in spd ic like karbon A1+ ....?
means colo kolo point also in spd phone. or its only mtk andoried

We had tested in MTK but if you have phone in hand you please test and let us know
Br
Faisal_Computer

Ahmed Zitoon · 05-15-2013, 16:05

Tested By Me

I already tested nw

thanks Volcano Box , thank Faisal_Computer

Umesh_Arora · 05-15-2013, 18:50

Quote:

Originally Posted by naushad09

1 question this soluation also working in spd ic like karbon A1+ ....?
means colo kolo point also in spd phone. or its only mtk andoried

spd android use this cable

http://forum.gsmhosting.com/vbb/f723...cable-1643123/

sweet4hamza · 05-15-2013, 19:57

please after write flash file , remove the jumper , bec with jumper phone did not power on

mohmmed734 · 05-16-2013, 02:23

hi i have Smart Phone Xtouch x506 after flash
after flash your mobile will not detect with pc any more
plzz How can i repair it.Dead boot repair TP CPU TYPE:6575

Xtouch x506اذا سمحتم اذا كان هناك احد يتكلم عربي ممكن المساعده انا عندي جهاز
سحبت له الفلاشه ببوكس الفولكانو وبعدين سويت له فلاش بالبرنامج الوكاله مامشي الحال بيضت الشاشه رجعت الفلاشه المسحوبه ببوكس الفلكانو مات الجهاز تمام ماعد رضي الكمبيوتر يتعرف عليه اذا كان احد يملك الحل فنرحو المساعده

ashamsu · 05-16-2013, 07:14

Dear Supporter....

if it is detected after shorting the pins, what about the flash files for that mobile...

Faisal_Computer · 05-16-2013, 11:40

Quote:

Originally Posted by mohmmed734

hi i have Smart Phone Xtouch x506 after flash
after flash your mobile will not detect with pc any more
plzz How can i repair it.Dead boot repair TP CPU TYPE:6575

Xtouch x506اذا سمحتم اذا كان هناك احد يتكلم عربي ممكن المساعده انا عندي جهاز
سحبت له الفلاشه ببوكس الفولكانو وبعدين سويت له فلاش بالبرنامج الوكاله مامشي الحال بيضت الشاشه رجعت الفلاشه المسحوبه ببوكس الفلكانو مات الجهاز تمام ماعد رضي الكمبيوتر يتعرف عليه اذا كان احد يملك الحل فنرحو المساعده

Hello..
Please check for points which i describe in my 1st post
Br
Faisal_Computer

Faisal_Computer · 05-16-2013, 11:42

Quote:

Originally Posted by ashamsu

Dear Supporter....

if it is detected after shorting the pins, what about the flash files for that mobile...

This is for detecting in pc after mobile detect you can use normal ways to Flash. keep in mind after Flash make sure you Disconnect That point from the GND
Br
Faisal_Computer

Aamir_Zia · 05-16-2013, 14:46

CPU TYPE:6575
Hardware version:CB00
Software version:E201
Boot downloading complete!

EMMC_ID:0x1501004E4A5330304D003B62455ECF37
EMMC_PRODUCT_NAME: SAMSUNG :0x4E4A5330304D

EMMC_BOOT1_SIZE: 0x00100000
EMMC_BOOT2_SIZE: 0x00100000
EMMC_PRMB_SIZE: 0x00020000
EMMC_GP1_SIZE: 0x00000000
EMMC_GP2_SIZE: 0x00000000
EMMC_GP3_SIZE: 0x00000000
EMMC_GP4_SIZE: 0x00000000
EMMC_USER_SIZE:E9000000
>>Analysis of USB port...

sadhna_mobile · 05-16-2013, 15:26

i did done in a72

http://forum.gsmhosting.com/vbb/f811...0/#post9429170

Umesh_Arora · 05-16-2013, 15:49

TP pictures

MTK 6575 s3 540 960 LCD

05-15-2013, 08:12	#1 (permalink)
Faisal_Computer No Life Poster Join Date: Jun 2005 Location: Kamalia, Pakistan. Age: 38 Posts: 16,852 Member: 151871 Status: Offline Thanks Meter: 71,421	III-Share-III-Android Phones Force Preloader Mode Test Points AKA REPAIR DEAD BOOTS Hello, Please share here all your tested preloader mode tested TestPinouts .... Little Guide : What is it ? in MTK Android there is many Partitions in your phone. like Preloader, Recovery, Bootimg etc..... if somehow Preloader get Corrupted then you phone will not able to DETECT WITH PC !!! in other words you will have phone with BOOT DEAD. How Preloader get corrupted ? There could be few reasons but main reason could be that someone or you Flash your complete phone (include Preloader) with wrong files or with wrong ver. Also there could be reason someone Delete Preloader or you Deleted. How could i know my phone have preloader dead ? Preloader can be dead if some one Flash it wrong and after flash your mobile will not detect with pc any more. for confirm open device manager take battery out from phone insert usb insert battery and check is computer detecting any device If it's not detect then you have phone which Preloader is dead AKA Boot Dead How can i repair it ? you have to disassemble your phone and take pcb out. check there should be some Golden points. check these points there should be written on them Rx,Tx,GND,Vcc,Vcharge etc... check there should be written "COLO" or "KOLO" or "KCOLO" you have to Sold that point with GND After Sold Attach usb now your phone will detect with USB !! and now ready to Flash. In some phones "COLO" or "KOLO" or "KCOLO" not written for those type of phones you have to test all points one by one Short Golden point with GND and attach usb cable which point short with gnd can able to detect your phone by pc is Force Preloader Mode Test Point !! Keep in mind Don't Short Vcc,Vcharge or any other pin which have 4.x Volts also i had tested "Colo" or "Kolo" or "KCOLO" don't have any kind of volts.. So Please share your Researched Force Preloader mode TestPoint Picture with Model name Here i am starting with two pictures Qmobile A10 Dead boot repair TP CPU TYPE:6575 Special Thanks to Danish for test Qmobile A2 CPU TYPE:6573 Special Thanks to SweatHamza for Test All Off topic will be deleted !! keep this Thread clean @ All Copy pasters Don't Copy this Br Faisal_Computer Last edited by Faisal_Computer; 05-15-2013 at 08:36.

05-15-2013, 08:32	#2 (permalink)
dicle_gsm No Life Poster Join Date: Jul 2007 Location: tr Posts: 2,219 Member: 539148 Status: Offline Thanks Meter: 2,174	This solution not only died for phones ?

05-15-2013, 14:56	#4 (permalink)
naushad09 No Life Poster Join Date: Jan 2006 Location: E a r T h Posts: 733 Member: 216094 Status: Offline Thanks Meter: 321	1 question this soluation also working in spd ic like karbon A1+ ....? means colo kolo point also in spd phone. or its only mtk andoried

05-15-2013, 16:05	#6 (permalink)
Ahmed Zitoon No Life Poster Join Date: Oct 2005 Location: Alexandria-Egypt Age: 36 Posts: 912 Member: 187853 Status: Offline Sonork: 100.1609563 Thanks Meter: 1,201	Tested By Me I already tested nw thanks Volcano Box , thank Faisal_Computer

05-15-2013, 19:57	#8 (permalink)
sweet4hamza No Life Poster Join Date: Nov 2010 Location: Atif mobile,goal, faisalabad Posts: 12,041 Member: 1434736 Status: Offline Sonork: 100.1607275 Thanks Meter: 5,377	please after write flash file , remove the jumper , bec with jumper phone did not power on

05-16-2013, 07:14	#10 (permalink)
ashamsu Freak Poster Join Date: Oct 2006 Location: India Posts: 488 Member: 376471 Status: Offline Sonork: 100.1608095 Thanks Meter: 107	Dear Supporter.... if it is detected after shorting the pins, what about the flash files for that mobile...

05-16-2013, 14:46	#13 (permalink)
Aamir_Zia No Life Poster Join Date: Dec 2003 Location: Karachi Pakistan Age: 38 Posts: 6,770 Member: 47321 Status: Offline Sonork: 100.54032 Thanks Meter: 497	CPU TYPE:6575 Hardware version:CB00 Software version:E201 Boot downloading complete! EMMC_ID:0x1501004E4A5330304D003B62455ECF37 EMMC_PRODUCT_NAME: SAMSUNG :0x4E4A5330304D EMMC_BOOT1_SIZE: 0x00100000 EMMC_BOOT2_SIZE: 0x00100000 EMMC_PRMB_SIZE: 0x00020000 EMMC_GP1_SIZE: 0x00000000 EMMC_GP2_SIZE: 0x00000000 EMMC_GP3_SIZE: 0x00000000 EMMC_GP4_SIZE: 0x00000000 EMMC_USER_SIZE:E9000000 >>Analysis of USB port...

05-16-2013, 15:26	#14 (permalink)
sadhna_mobile Freak Poster Join Date: Dec 2009 Location: india Posts: 411 Member: 1178839 Status: Offline Sonork: 100.1609495 Thanks Meter: 74	i did done in a72 http://forum.gsmhosting.com/vbb/f811...0/#post9429170

05-16-2013, 15:49	#15 (permalink)
Umesh_Arora No Life Poster Join Date: Aug 2012 Location: India Age: 39 Posts: 4,591 Member: 1792140 Status: Offline Sonork: 100.1618782,gaba Thanks Meter: 6,087	TP pictures MTK 6575 s3 540 960 LCD