Kingstar A20 Brodcram Android Dead boot reparing solution 100% Done
Posted in All Android Dead Boot Repair Solution
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Saturday, 18 October 2014 By Unknown
Little Guide :
What is it ?
in Brodcram 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
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