Cant update firmware?

Trying to update firware in a recently acquired 350 MHz slot loading iMac (so I can update the os to 10.3)
I am booting up from the HD, which is running OS 9.1
When I try running the firmware installer, the iMac boots up as usual (no long beep), and I always get the message that the firmware was nor iunstalled.... "review instructions" or cancel.
I am pressing in the developer button, but wondering if it is actually working! (I am not pressing the reset button by mistake)
Are there any key combinations I can use instead of trying to press in the button? Any other suggestions?

Thanks for the advice!
I have updated the system to 9.2.2, and still have thew same problem.
Starting up in Open Firmware gives the following message:
Apple PowerMac2, 1 2.4f1 BootROM Built on 02/18/00 at 09:44:35
Just to give a little more detail..... Following the instructions on the firmware upgrade (restarting while holding in the developer button) results in the usual start-up chime, after which the Mac quickly restarts, chimes again (normal start-up chime) then proceeds to boot as normal.
Once it has booted up, the firware installer tells me to review instructions & try again..... very frustrating! Any help gratefully received

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Which G5?
Which firmware update?
Why?
Do you mean this one: http://macosg.com/group/viewtopic.php?t=8798
?

Cant Update Firmware - Computer Won't Recognize Classic

I recently installed a 1GB RAM card into my Powerbook g4, and instead of recognizing all my subsequent RAM after installation (1.25 GB) my computer would just recognize 756 MB, or something like that. So after reading discussions, I thought I should update the firmware to fix the problem. Well the firmware update didn't take hold because my mac didn't have classic installed. so I re-installed Classic from my Mac OSX software restore CDS, and in System Profiler it recognizes that OS9.2.2 is now installed. However, when I run the firmware update, it still says "Firmware will not run from OSX. restart from a startup disk with OS9 installed", yet it is. My startup disk is set to my hard drive with OS9 installed on it. So I don't understand what's going wrong. And now my computer is randomly crashing with the dimmed background screen and the error message "You Need to Restart Your Computer". also, my Apple menu option won't even open when clicked - the little menu on the left hand side of the Finder menu bar that lists "About this mac" .. etc.
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Hi, ashAleyP -
Welcome to Apple's Discussions.
Re the firmware update -
In order to run the firmware updater, the machine must be booted to OS 9 - it will not run in Classic while the machine is still booted to OSX. To boot the machine to OS 9, open the Startup Disk control pane (Apple Menu > System Preferences > Startup Disk) and select OS 9 as the boot OS.
It is a good idea to print out the instructions before performing the update.
Note - if your G4 PowerBook is not OS 9 bootable, there is no firmware update for it.
http://docs.info.apple.com/article.html?artnum=86117
Re the RAM issue -
If I understand correctly, you have one (new) 1.0GB RAM module and one (old) 256MB module, and the machine is recognizing only half of the new module (512MB + 256MB = 768MB net).
This can be caused by more than one thing -
• If your G4 PowerBook is OS 9 bootable, it can not use a 1.0GB RAM module. The largest it can use is 512MB, and the max it can address is 1.0GB. If this is the case, you will need to replace the 1.0GB module with a 512MB module of correct specs.
• If your G4 PB is new enough that it can use a 1.0GB module, the module you received probably does not meet specs for that machine. RAM must meet the specific requirements for each Apple model.
<hr>
It would help us help you better if you would identify the specific model of your machine. This Apple KBase article can help you do that -
http://docs.info.apple.com/article.html?artnum=88248
<hr>
In order to use Disk Utility to repair the drive, you will need to have the machine booted to the OSX Install disk. When the machine is booted to an OS on the hard drive, that drive is in use - and can not be repaired (nor dismounted).

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Basically I am trying to update my n95 to the latest firmware. I have installed Nokia Suite and it detects my phone and is connected to it. I have installed Nokia Software Updater and it just refuses to detect the device. This is the first time ive uninstalled both and reinstalled. I have tried loading NSU by itself and it doesnt detect it.
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Hi there.
I had the same problem as you with my 5230, here's what did the trick for me.
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I had tried updating on the phone and on OVI/PC suite but nothing worked after several tries and re-installs.
I then thought that maybe the problem was with the network I was using, so I put a sim from a another phone I have that's on a different network and BOOM it worked, got it updated in about 10 minutes.
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dearl all
really need your help.
does any one can help with device manager setting to upgrade firmware OTA.
when we dial *#0000# ( Fp2) will show our device manager and when chose check for update phone need a "server profile"
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Cant update firmware?

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