im so stupid that i flash the wrong rom!!!!! i flash to at&t captivative rom.......now that the 3 como button wont works....anyone can help me?

guide for making a homejig

---

Added on January 24, 2011, 6:21 pmThis guide is for the situation where your phone is not booting and the three-button combo for getting into download mode is not working for some reason, and you have tried all the other solutions in the FAQ. It won't help you if you can already get into download mode but something else is going wrong with the flashing process, for example you can't get Odin to communicate with the phone.

If the phone's bootloader is still intact, that is you see at least the white Galaxy S/Samsung/AT&T logo or the "PC ! Phone" logo on the screen, you should be able to force it into download mode by connecting a homemade jig that simulates the Samsung "Anyway" field test jig. You can make this jig using a micro USB plug and a resistor.

If your phone screen is always black, that is it does not display the white Galaxy S/Samsung/AT&T logo when you switch it on, then sorry, this jig will not help you.

If this helps you recover your bricked phone, please donate to the CyanogenMod developers: go to this thread and click the "Donate to Me" link under Aery's name. Thanks.

You will need:
1. a micro USB plug that you can solder onto. If you are not confident with soldering or you just want a tidy solution, buy this micro USB breakout board from Sparkfun.

Otherwise, get a cheap micro USB cable and cut the sleeving off the plug with a sharp knife. You cannot just wire onto the cable because this jig uses a normally-unused pin (pin 4) of the micro USB plug which will not be connected to the cable.

2. a 301k resistor. You can buy one from Digikey, or make one up by joining several resistors together in series, for example 3x100k and 1x1k. The resistor value does need to be fairly accurate (I would guess within 1% of 301k) to trigger download mode. 300K seems to work for everyone so far.

Procedure:
1. Solder the resistor across pins 4 and 5 of the micro USB plug. Do not do this with the plug plugged in to the phone as the heat could damage the phone's USB socket. The pins are shown in this diagram ("Micro-B"). On the Sparkfun micro USB breakout board they are labelled "ID" (pin 4) and "GND" (pin 5). When the plug is plugged in to the phone they will be the pins closest to the headphone socket.

2. Make sure the phone is fully switched off by pulling the battery, waiting 5 minutes, then replacing the battery. Do not switch the phone on.

3. Connect the rigged USB plug to the phone. Try not to touch the pins on the back of the plug or the resistor(s) as you are plugging it in, as your skin resistance could affect the resistor value seen by the phone. You do not need to press the power button. After a few seconds the phone should go into download mode.

4. Disconnect the rigged USB plug and connect a regular USB cable from your PC to the phone, then you should be able to flash using Odin.

from: http://forum.xda-developers.com/showthread.php?t=819551

This post has been edited by unionnone: Jan 24 2011, 06:26 PM

just flash back to the right rom lah

the prob is cannot go in recovery mode and download mode.....

Does your ROM comes with CWM Recovery and root?

If there is, find a way to put in a working CWM-flashable ROM into the internal memory. If it's rooted, download 'Terminal Emulator' from Market. Type 'su' and then 'reboot recovery'. Then you can flash.

Otherwise, if you think your USB port is still working for Odin flash, you can type "reboot download". Root is required, as always.

This post has been edited by mengsuan: Dec 27 2010, 01:02 PM

well....it cannot connect to pc, cannot boot in recovery mode and also cannot boot in download mode...

im afraid if he say brick, he cant switch it on then.. so he cant turn it on to even download terminal emulator

i thought that 3 button combo is fixable via odin.. is it? if it is, flash the 3 button combo via odin and see if it works

Hmmm, I've seen people flashing the wrong ROM and it would boot, only button mappings and USB gone wrong.

If terminal emulator is not accessible, then there's nothing to do to trigger by software. ADB is also not possible.

Only way, is JIG.

---

Added on December 27, 2010, 1:06 pmNo download mode, no Odin, no 3 button fix.

---

Added on December 27, 2010, 1:08 pmRead JIG: http://forum.xda-developers.com/showthread.php?t=819551

This post has been edited by mengsuan: Dec 27 2010, 01:08 PM

jig?? i've seen it in some forum... anyone sell it?

---

Added on December 27, 2010, 2:56 pmgood news!!!! i made a jig and it work!!! now try flashing my SGS!!!

This post has been edited by unionnone: Dec 27 2010, 02:56 PM

ahhh.. a good new information for me.. thanks for the share mengsuan

cool. jig, i will take note that. thank for sharing

u got a SGS mate?

need soldiering... u did it ?

yup!!! it works like a charm!! i will upload some photo of it if i can^^

this is a SGS lifesaver!!!!

nice JIG, nice hack. well done.

salute
this guy posted "my sgs is bricked!"

not long after that, his JIG is created, by any chance you are in electronic engineering field?

it tooks me an hour to made it(include buying the part)

nice..
you should put some illustrated guide and ask TT to put the guide on the 1st post of SGS thread.

i salute to the person in XDA who actually figured out a fix like this!

huaaa, i also like to make a JIG, come on dude, post a guide how to make it