Question about HTC G1 Smartphone

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Unbricking t-mobile G1

Hi i tried to root my G1 and update tha new recovery n SPL after i flash all then reboot it jst stay on the t-mobile G1 logo help pls i think i brick my phone n i was hoping if ya know how to fix it thank you.

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Jtag is required at this point in time.. but a cheaper method for individuals is on XDA:

For additional details see the related threads.

Posted on Apr 02, 2010

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You can unbrick it via JTAG solution ORT ( Omnia Repair Tool ) can repair G1 Software and boot releated problems as you mentioned

Posted on Mar 05, 2010


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My iRola DX752 always freezes on iRola screen. What should I do?

Ok, I didn't know what that was, but then I search for it and found out that it is a tablet.
When any device get stuck in the logo while rebooting it usually means that the device is soft brick.
The only way to fix it by:
1. Flashing a new rom compatible with iRola, this process require a PC and utility.
2. If it have a custom recovery, then download the firmware or rom for your device and save it in the root folder, reboot the tablet to recovery, and flash it with custom recovery.
If you have no idea what I'm explaining here, then I suggest that you take it to a professional.

Jun 09, 2014 | Cell Phones

1 Answer

I have a g1 and it downgraded to 1.0 how can I upgrade it without a manual update

How to Update G1 Phone Firmware RC33

1. Download RC33 update from Google here.

2. Rename the download file from to, and place it at the root i.e the very top directory of your Micro SD card. (If you added the file to your microSD card by connecting the handset to your computer via USB [rather than using a dedicated microSD card reader], make sure to unmount it and disconnect the USB cable now.

3. Turn off your G1 Make sure it's completely powered off. Now again turn it on by holding the Home+End keys until you see T-Mobile G1 logo.

4. From the icon screen, open the keyboard and hit Alt+L.

5. Press Alt+S to begin the update. Remember, the update needs to be in the root of the Micro SD card and needs to be named

6. Once it finishes, follow the onscreen instructions and press Home+Back to finish.

7. G1 Phone will reboot a few times to flash different parts of the firmware.

If all went well, you should now be running the latest update, RC33. Enjoy your new, shiny RC33 update, complete with Google Latitude!

To make sure all your hard work wasn't for nothing, hit Menu > Settings > About Phone > scroll to Build Number. You should see RC33 in there somewhere.


Mar 23, 2011 | HTC G1

1 Answer

At the time of phone upgrate to andoid 1.6 to 2.1 .. at the stage of preparation it gives me a error

How to Upgrade Android 1.5, 1.6 to 2.1

Note: "DangerSPL" (or DeathSPL or Haykuro's SPL) is a prerequisite for Dream/G1 users. Magic (MT3G etc) users donot need to do this. There's a guide to install this bootloader. Flashing this bootloader under the wrong conditions can actually brick your device, so pay attention to the guide.

Instructions: (Text, Video available below)


  1. Cynagen (direct) ' Torrent
  2. Google Addon: EPE54B
  3. 32A/EBI1 Port File

For First Timers (new to Cyanogen)

Step 1. Root your Android device and install Clockwork Recovery (ROM Manager on the market) or Amon_RA's recovery (Dream / Magic)
Step 2. Do a Nandroid backup.
Step 3. Install the DangerSPL if you don't have it already
Step 4. Wipe
Step 5. Install the ROM
(Optional) Install the Google Addon if you want Google Applications like Gmail and Market

Mar 06, 2011 | Sony Ericsson XPERIA X10 Cell Phone

1 Answer


when you stuck on g1 big screen, you need:
1. download the right g1 radio
2. download danger spl. be carefull with this, search in wikipedia about it
3. download the latest rom

4. copy all file (in zip) to micro memory
5. enter fast boot (home + power about 20 second)
6. updated files radio first, reboot
7. updated dangerspl, reboot
8. updated rom
9. do hard reset / wipe (alt w) via fast boot
all done

Dec 03, 2010 | HTC G1

1 Answer

Htc g1 problem to start-up

try info there

Apr 18, 2010 | HTC G1 Smartphone

1 Answer

G1 is frozen at the G1 logo when it starts up and it doesnt do anything. i tried giving it a soft and hard reset and it still doesnt solve my problem. please help..

did you root it before ? if so maybe returning the phone to rc29 will help. this will restore your phone back to firmware 1.0 then to you can update it back to donut 1.6.

Mar 29, 2010 | HTC G1

1 Answer

How do I unbrick my g1?

You can unbrick it via JTAG solution ORT ( Omnia Repair Tool ) can repair G1 Software and boot releated problems as you mentioned

Jan 31, 2010 | HTC G1 Smartphone

2 Answers

Unbrick my g1

You can unbrick it via JTAG solution ORT ( Omnia Repair Tool ) can repair G1 Software and boot releated problems as you mentioned
Best Regards Oz

Jan 20, 2010 | HTC G1 Smartphone

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