One Click Lag Fix for Galaxy S Phones

The power of the Android community continues to amaze me, as there is now a one-click fix for the lag issues we have been hearing about with the Galaxy S phones out there.  Developed and released by a private individual, it is awesome that we have a platform where the crowd can work on problems together to get them fixed.

In a post on the XDA Forums, Android dev Ryanza announced his fix utility, as well as giving a description of what the fix does to your handset.  The quote from the post:

Details about what this fix does:

Creates a VIRTUAL EXT2 filesystem inside the stock RFS filesystem on the internal SD card, with a 4KB block size. This means that this lag fix creates a buffer between the real filesystem and the android system. This buffer should reduce the amount of disk I/O required for all operations by utilizing EXT2 buffering, as well as not writing file access times to disk, etc. It allows only 1GB for application data at this stage, down from the 2GB of application data when running stock.

Fair warning, while this is fairly simple, it does take some knowledge of the root of your device, and the ability to flash back to some prototype ROMS in case something goes wrong. If you have not noticed anything going wrong with your handset, leave well enough alone. If you are a power user, let us know how this works for you!

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AndroidGuys
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Founded on November 5, 2007, we've enjoyed bringing you the latest in Android news and rumors. Updated daily, we strive to deliver reviews, opinions, and updates on all things related to Android.

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35 Comments

  1. Matt
    August 10, 20:34 Reply

    I did this lag fix, and and scored a 2142 with quadrant, the phone was flying. it was awesome…. for an hour. then my vibrant quit waking from sleep and I had to uninstall the lag fix. I’m sure the devs will find a way to fix that, so keep watching this one.

    • Kevin S.
      August 15, 13:41 Reply

      Matt, it works best from a complete restore back to factory specs. It completely locked up for me as well and I had to restore. Once you restore, root & apply the lagfix then reinstall all your old apps and you should be good to go! I ran a Quadrant test right after installation and a cold boot and I got 2200!

      Cheers.

  2. Kevin
    August 10, 20:36 Reply

    Great to see a fix, but isn’t it disappointing that Samsung finds this lag acceptable for shipping, and that they didn’t tweak the file system in the first place? Embedded Linux developers should know that noatime mount options are a must for flash storage devices.

    Profile early, profile often.

  3. ari-free
    August 10, 21:11 Reply

    don’t use ext2…use ext3 for journaling to prevent data corruption.

  4. ari-free
    August 10, 21:17 Reply

    It’s good to know that there are plenty of other tricks for massive speed gains besides JIT and overclocking

  5. BigRu
    August 10, 22:44 Reply

    It has been working great on my vibrant, for the past 2 days, my quadrant score is usually over 2000, and hasn’t been below 1600.

  6. Yung
    August 11, 12:03 Reply

    Where’s the fix at?

  7. Yung
    August 11, 12:05 Reply

    Oh, where’s the fix and can I do it without rooting my phone?

    • ari-free
      August 15, 05:00 Reply

      you must root your phone. see above for the fix

  8. tempest7
    September 05, 13:01 Reply

    The fix works really well for me so far. Blazing fast test results. Don’t know how stable it is.

  9. doraemongal
    September 15, 23:55 Reply

    Can you pls tell me where is the downloading item..I’m not high-tech software..i need step basis to reload the fix

  10. John
    September 18, 21:33 Reply

    Hi,

    I have a few questions please.

    Can I backup my ROM to restore to original state?
    If things go wrong, how best to correct them?
    Will rooting my Galaxy S allow my phone to play wifi hotspot for my laptop?

    Thanks for all the help

    John

  11. John
    September 19, 11:00 Reply

    One more question, if I download this from the market can it all be done without pc link and do I still need to set the usb settings I see mentioned or can it just download and reboot phone with reload packages.

    TIA

    John

    • spencer
      September 27, 07:27 Reply

      Can all be done on the phone John, no need for PC.

  12. Daniel
    October 06, 21:15 Reply

    I have installed and clicked on the “install ext2 tools”. No change; still lags. Is there something that I may have done incorrectly? Please please help. Thanks.

  13. Daniel
    October 24, 18:27 Reply

    Will Samsung eventually come up with an update that fixes the lag issues?

  14. Vinayak Naik
    November 12, 22:26 Reply

    i have done it. thanks a lot.

    but one clarity needed is that, what is that no 1423

  15. Hamid
    November 24, 14:56 Reply

    please help me my phone stop working after rooting & lag fix with appearance black screen & vibration

  16. Katherine
    December 03, 08:48 Reply

    I can install z4root but can’t find the One Click Lag Fix app in Market or in other forums…..
    Can anyone post the file directly here for me to d/l? Thanks heaps.

  17. yoi
    December 08, 18:51 Reply

    please help me my phone stop working after rooting & lag fix with appearance black screen & vibration

  18. yoi
    December 08, 19:01 Reply

    please,please,please

  19. Wisam
    December 14, 13:02 Reply

    I have no single improvement after doin all of above, can you please explain

  20. Chris
    February 03, 21:49 Reply

    This works better if using a 2.2 update. I used on 2.1, got like 1650. 2.2, Averaged around 1990. And i push my phone hard. The lagfix stops working well after about a week. All you have to do is unroot and reroot with ryanza’s z4 root, and it’ll run like a dream again.

  21. Muneeb
    February 27, 18:13 Reply

    wow it tooks my SGS 2.2 on the top and score 1900 . . speeds very improve entirely and also some apps. . good work

  22. Peter Shen
    April 05, 02:32 Reply

    This is awesome. Very clean and fast! Peter, Koowie.com

  23. Ton3
    June 26, 14:32 Reply

    so whats the app to fix my lagging i cant find anything

  24. mary
    August 19, 22:40 Reply

    is this harmful to my phone??

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