Mobile devices, Planets and the Human Condition

Guide to unlocking the Apache Extended - ROM

, posted: 29-Jun-2006 12:24

PART 1: - Viewing the Extended ROM

You will need a Registry editor.... or if you dont care how it works, you just want to see your files, skip to the end.

Backing up your registry is always a good idea before modifying.

Open your registry editor,

Browse to:


Change the DWORD Value of "MountHidden" to 0

now browse to


Change the DWORD Value of "BootPhase" to 2

you can now exit the editor, and soft - reset your device,

after restarting, you will be able to see the extended_ROM, through the file explorer in much the same way you can see / explore a Storage card.

You now have Read Access to Your Extended Rom,

I'll Post Part 2 containing the information on how to unlock your Extended rom for Write access shortly.

For those of you who just want to see your files,

Open notepad;

paste everything in italics into it into it:


save as bootphase.reg

create a new text doc.

paste everything in italics into it



save as

copy both files to your apache.

browse to them, tap them, tap yes, soft reset, all done.


Other related posts:
Apache Extended Rom Unlocker.
How to Dump an HTC Apache ROM -
Apologies for the Delay, rom Dump instructions Sunday

Comment by freitasm, on 29-Jun-2006 15:41

Good tips... How much is the freed area (or soon to be freed, when you provide the tip to actually write on that area)?

Author's note by inane, on 29-Jun-2006 15:46

total size of Extended ROM area is 9.93MB, the telecom & wm5 files take up 1.32MB of that. which leaves 8.61MB of ext-rom space for you to use! you can repartition the Ext-rom size, but Its a much more detailed process that I'll have to spend a bit of time writing.

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I'm a professional Geek, and also in my own time, I am likely to write about all manner of things on this blog.
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