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Posted

Free Up to 27mb of Memory on SCH-i920

READ FIRST

This was done on Verizon's SCH-i920. I don't know if the files used here are the same on the i8000. Never the less the same procedure will apply.

Ok those needing to clear up some additional memory, follow these steps below. Check your memory and log it if you want to see the difference.

The following procedure will replace 5 Rom files totaling 17mb, with 5 dummy files totaling 0mb. Since we can't erase the Rom files, we are going to replace them with a smaller size file with the same name and thus, free up some memory.

Note: hard resetting your device will put the original files back. I use to do this to free up memory on other devices until a custom Rom was released. I have only tested the 02 with the 5 files below which appear to have no effect on the operation of the Phone.

You will need: Total Commander or Roscoe File Explorer.

I recommend using your computer and phone as it will make it easier to transfer your modded files to your device.

Setup: If using Roscoe explorer, set menu view to Reportt & Sort to- by size. If using Total commander click Size on the explorer window to cascade the files by size. (you need to see the size of the files)

A. Create a folder on your Devices Storage - Internal or External and name it Mods. Then create 2 folders within the Mods folder and name them "dummy files" the other "original files"

B. Using Total Commander or Roscoe Explorer, Navigate to the Device's Windows Directory on your phone and copy any of 5 0b files( I used: recent, dmr, blank,.hst & ORB Accounts) (the 0b is the size of the file) to the dummy files folder you created above.(Storage>Mods>dummy files).

C. Next navigate back to the Windows Directory and copy the 5 files below to your created: original files folder"(Storage>Mods>original files)(this is just incase you need to put the originals back without hard resetting)

1. 1_1kHz.mp3

2. 1kHz.mp3

3. 1kHz_0dB.mp3

4. Opera9.exe

5. opera-armv4i-widget.dll

D. Using your computer navigate to the Mods dummy files folder and Rename Each of the five files there to the 5 file names above in step C. (The names must be exact- you can copy and past from here.)

E. From your device using Total Commander or Roscoe Explorer copy the 5 renamed dummy files to the Devices Windows Directory and overwrite the existing files with these new files. Your Done, You have just freed about 17mb of device space.

You can also turn off the report to Microsoft error message window the next time it comes up and delete the 10mb(+) file in your Windows Directory also.

The above 2 Opera files were related to Opera9, if you use or want Opera, download the install Opera10 to your storage.

Check your memory to see the difference

Post any questions you have, there are plenty of people here that can help.

Posted

great advice!

i was trying to do the exact same thing with Opera... It's just annoying that VZ put 2 browsers in their rom.

Thanks

Guest Delvius
Posted

Nice found! Works on the I8000 (Official L5) too.

But there are less files and a memory gain of about 11MB.

- 1kHz.mp3

- Opera9.exe

- opera-armv4i-widget.dll

66MB free Ram after boot with the whole Samsung stuff (Samsung Today as Homescreen) and S2U2, pretty nice.

Guest dwallersv
Posted

NO NO NO!

I explained in a different thread why this is an illusion, and doesn't free up any storage memory at all. Geebox saw that, checked with knowlegable friend, and confirmed what I explained there.

"Deleting" ROM files will not recover any storage at all. It will simply appear that less is in use, because those files will not be counted in the total. However, the space they take up is not recovered and added to the available storage.

All you do with this technique is remove functionality.

Now, that said, there IS some junk that the initialization procedure (when you hard reset, for example), copies from ROM to RAM as part of provisioning. This is primarily garbage apps that the carrier has put on your phone that you don't give a s--t about. For example, on Verizon, VCast, VZAccess, and about a half a dozen other piles of crapola are dumped into your Main Storage, and this stuff can be deleted and recover some soace. Not much -- usually no more than 2-5MB, but it's still wasted space.

To find this junk, using a good explorer like Resco Explorer, go into Menu->Options->Settings->Browser, and check "Hide files in ROM". Make sure "Hide hidden files" and "Hide Folders" are unchecked.

Then, browse your device looking for junk you don't need, and delete it. Start in \Program Files, and wipe the crap your carrier has deposited in your storage that you don't want, and will never use. Also, to make things cleaner, go to \Windows\Start Menu{\Programs} and delete any shortcuts to these tihngs as well (doesn't save any meaningful storage, but cleans up your GUI). Also check \My Documents, particularly for carrier-provided background images and so forth that you don't care about -- these take a lot of space, usually 1-2MB total.

IF YOU DON'T KNOW WHAT IT IS, DON'T DELETE IT!

Also, it is strongly recommended to do a "baseline" backup with a good backup program (I use SPB Backup) before deleting anything. That way, if you later decide you want it back, you don't have to Hard Reset to get this stuff back.

Other third-party file explorers have similar capabilities. AFAIK, the built-in explorer has no way to switch on and off ROM files, so you're SOL with that one -- unless it doesn't show them at all, in which case it will work fine too.

Guest surgex
Posted
NO NO NO!

I explained in a different thread why this is an illusion, and doesn't free up any storage memory at all. Geebox saw that, checked with knowlegable friend, and confirmed what I explained there.

"Deleting" ROM files will not recover any storage at all. It will simply appear that less is in use, because those files will not be counted in the total. However, the space they take up is not recovered and added to the available storage.

All you do with this technique is remove functionality.

Now, that said, there IS some junk that the initialization procedure (when you hard reset, for example), copies from ROM to RAM as part of provisioning. This is primarily garbage apps that the carrier has put on your phone that you don't give a s--t about. For example, on Verizon, VCast, VZAccess, and about a half a dozen other piles of crapola are dumped into your Main Storage, and this stuff can be deleted and recover some soace. Not much -- usually no more than 2-5MB, but it's still wasted space.

To find this junk, using a good explorer like Resco Explorer, go into Menu->Options->Settings->Browser, and check "Hide files in ROM". Make sure "Hide hidden files" and "Hide Folders" are unchecked.

Then, browse your device looking for junk you don't need, and delete it. Start in \Program Files, and wipe the crap your carrier has deposited in your storage that you don't want, and will never use. Also, to make things cleaner, go to \Windows\Start Menu{\Programs} and delete any shortcuts to these tihngs as well (doesn't save any meaningful storage, but cleans up your GUI). Also check \My Documents, particularly for carrier-provided background images and so forth that you don't care about -- these take a lot of space, usually 1-2MB total.

IF YOU DON'T KNOW WHAT IT IS, DON'T DELETE IT!

Also, it is strongly recommended to do a "baseline" backup with a good backup program (I use SPB Backup) before deleting anything. That way, if you later decide you want it back, you don't have to Hard Reset to get this stuff back.

Other third-party file explorers have similar capabilities. AFAIK, the built-in explorer has no way to switch on and off ROM files, so you're SOL with that one -- unless it doesn't show them at all, in which case it will work fine too.

Thanks for the good explanation dwallersv...I am glad I read the *whole* thread before diving in and doing all that for nothing :)

Nice attempt though Geebox, it's obvious you had good intentions to start with ;)

Guest Delvius
Posted

I do not care about storage but it gave me more free RAM :) .

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