How to Manually Update T-Mobile G1 Phone Firmware to RC33

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G1 Phone with Firmware RC33

Recently we had reported about latest firmware update RC 33 for T-Mobile G1 Phone. The process of rolling our Firmware to G1 phone users is very slow and there is no control over update process. You need to literally keep looking at your G1 handset for any firmware update prompt. I am sure many users are eagerly waiting for g1 firmware update.

Well don’t worry you can manually update your G1 Phone firmware to RC33. Fortunately some has extracted the RC33 from official update package which can be used to update g1 Phone firmware to RC33. Here is guide on How to Manually Update G1 Phone firmware to RC33.

The process of Updating g1 Phone firmware is exactly similar to what we had reported during RC29 update.

How to Update G1 Phone Firmware RC33

1. Download RC33 update from Google here.

2. Rename it the download file from signed-PLAT-RC33-from-RC30.f06aa9b3.zip to update.zip, 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 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 update.zip.

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.

G1 Phone with Firmware RC33

Check out How to Unlock G1 Phone

Source:Mobilecrunch

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Reader Comments

I updated my gphone last night but had a hard time until I realized that my son’s new computer had suffixes of file names hidden. I renamed the file “update.zip” but discovered that I had really renamed it”update.zip.zip.” If you are having trouble getting the device to recognize the update.zip file when you hit Alt S, then make sure that the file was renamed properly.
cheers,
jrg

Written By jeff
on February 8th, 2009

First time trying this update. Works great. I was having the same problem as JRG but I figured it out the end that I didn’t really download that link that was posted. I only had a 2kb zip file and I wasn’t too aware until I tried downloading it again and it was 18mb. I guess lesson to be learned is read twice if you still don’t get it, read again. Thanks guys for the help.

Written By MJGFU
on February 9th, 2009

Hey whats up everybody I was totally having the same problem with it not recognizing the file!!!!! NAME THE FILE —UPDATE— not update.zip! .zip is the type of file no need to let the phone know that! Doing my update now, cant wait! Thanks G1′ers

Written By TOWNONE1
on February 9th, 2009

sweet it worked

Written By Charles
on February 11th, 2009

Doesn’t work.

Written By EB
on February 11th, 2009

hey mine keeps on failing in the middle could you please help me

Written By oscar
on February 13th, 2009

Have you tried to download a new copy of the upload file? Maybe it is corrupt.

The phone reboots several times in the process, are you waiting long enough? I wiped my sd card before copying the update file onto it as a precaution. I doubt it is necessary but may help. Simply copy all files on your sd card to your computer, reformat the card by right clicking on it and selecting the fat reformat option, then copy only the update file onto it, and go through the process. These are my best guesses.

Written By jeff
on February 13th, 2009

Has anyone tried this on the Developer version of the phone? Any issues or should it work the same? (On 3 in Australia)

Written By Deaj
on February 18th, 2009

Just tried this several times.

The G1 reports that there is afailure in line 1 and aborts. I have downloaded five or six times, wiping the sd card each time, same result.

I’ve noticed my phone is RC8 – and its new too! Do I need another update prior to this or something? It just won’t take 29 or 33.

Thanks

Written By Bill
on February 19th, 2009

Hey
do i have to unzip “update.zip” file n copy it onto the SD
CARD??

the installing process stops at the very beginning at unable to find signature!!

PLZ HELP!!

Written By sandy
on February 19th, 2009

Ok downloaded the file, transferred to megh the steps mory card and when I go through the steps, it gives me an error. Its the only file on the card. Can anyone help?

Written By markie
on February 20th, 2009

Ok downloaded the file, transferred to the memory card and when I go through the steps, it gives me an error. Its the only file on the card. Can anyone help?

Written By markie
on February 20th, 2009

keeps telling me error! help please

Written By orlando
on February 21st, 2009

change the file name to update not to update.zip.

Written By beaner
on February 22nd, 2009

rename the zip file to update
store it in ur SDcard not in any folders
if u are renaming it from ur phone it will say signed-PLAT-RC33-from-RC30.f06aa9b3.zip
just delete signed-PLAT-RC33-from-RC30.f06aa9b3 and rename it to update

Written By yo mama use g1
on February 24th, 2009

Hello,
I tried to do the update as in this manuel. It start updating then at the middle of the process it show me again the icon that I got when I click Alt L, (triangle sign) and then nothing happen and it stopp without any progress.
what should i do?
thank you

Written By bassam
on February 25th, 2009

i got the update automatically thou i use an unlocked phone(on AT&T NETWORK) and connect thru WiFi.
T-mobile said ONLY ppl with their 44$ data plan get the updates.i got it a few days back!! THEY WERE BLUFFING!

a question:when is the flash player for Google PHONE expected??

Written By sAnDy
on February 25th, 2009

Hi, i’m new with this mobile … need help …. my Build Number: dream_stg-user 1.1 STG-RC8 128394 ota-rel-key,release-keys can i update to RC33

Written By Esmond
on March 16th, 2009

The update will not work. The message it keeps on giving me on the boot screen is “update fail, update.zip is bad”.
Then it aborts update. Please help someone.

Written By Hector
on March 28th, 2009

Thank you mjgfu i really appreciate your comment it really helped alot!!!!

Written By Tank
on April 24th, 2009

Thanks!

Renamed just “update” no zip on the end and it worked

Written By d
on April 26th, 2009

cheers, downloaded the file and named it update not update.zip. worked fine.

Written By ray
on April 27th, 2009

It just says cant open /sdcard/update.zip (bad)
I NEED HELP

Written By JJ
on May 6th, 2009

Hi all
I have some questions : Can system download packages from web to sdcard by self and how to work

thanks

Written By chawn
on May 11th, 2009

Hi, I am a novice to the Android phone, I need your expert help and advice in how to upgrade my T-Mobile G1 Phone.

My Phone specification are:

T-Mobile G1
Firmware ver. 1.0
Baseband ver. 62.33.20.08H_1.22.12.29
Kernel ver. 2.6.25-01843-gfea26b0 android-build@apa27 #6
Build number: kila-user 1.0 TC4-RC28 114235 ota-rel-keys, release-keys

Thank you

Written By Abdul
on May 16th, 2009

i cant get this to work and i have tried everything… i am frustrated because my phone came with the version of rc33 and i tried to do the cupcake update and it didnt work… now im at a rc29 with no cupcake… i just got the phone 2 days ago
if anyone can help me please email me at dthomp40@scsu.edu

Written By DT
on June 5th, 2009

For the people getting update bad do not use the phone to download update the edge will not download a big file properly use a highspeed connection via laptop to get the file

Written By david
on June 6th, 2009

Hi

I use an unlocked phone (on IAM-Morocco), Can I update my phone ??!

thank you

Written By Youssef
on July 5th, 2009

I know exactly what to do, the only problem is that these files are no longer available from google!
If anyone knows where to get the file that I need
a.k.a
https://android.clients.google.com/updates/signed-kila-ota-126986.f6469a1e.zip

PLEASE TELL ME ASAP

I was going to jailbreak my phone but realized that rc29 is simply crap and not worth it!

Written By Crispin
on July 29th, 2009

need to unlock my g1

Written By bobbynyale
on October 26th, 2009

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