How To Update/Unroot Epic 4G Touch to Official ICS! [FF18]

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For those of you having trouble updating your Epic 4G Touch to the latest official ICS (FF18), here’s how to do it. I just got back my phone back from Sprint and it would not update to ICS but you can use this method to update it to the latest ICS if you are coming from a custom ROM or even stock rooted ROM.

*Note – This update/unroot method WILL ERASE ALL YOUR APPS/SETTINGS, so please make a backup of everything beforehand!

This method also will not increase your binary counter (as it’s an official ROM) so you can also use this method to unroot your Epic 4G Touch if returning for warranty.


Download stock FF18
Download ODIN
Download USB drivers

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First time to rooting and custom ROMs? Please see our Epic 4G Touch Root FAQ FIRST!
Want to contact me?
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For emergencies (such as bootloops, cannot get phone working) e-mail me at zedomax at with Subject "EMERGENCY EPIC 4G TOUCH" but please do not use that subject line for non-emergencies.
Categories: Epic 4G Touch Unroot.

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14 Responses to How To Update/Unroot Epic 4G Touch to Official ICS! [FF18]

  1. Neil says:

    COM port does not necessarily need to be #24 – Mine shows as COM3 with yellow background and works fine.

  2. bryan says:

    i have been looking for this. thanks

  3. newton says:

    Great info…. Thank you

  4. arceo85 says:

    The link to download ff18 is not working properly can you please re directed me to download stock ff18.

  5. arceo85 says:

    Thanx i got it and thanx for all your great work.

  6. DAVID says:


  7. Jon says:

    I have gt-i9100 i was using strongsteve’s blazer el-29 rom then I kept getting OTA update trying to push my phone in 4.0.4. and my phone kept downloading it asking to install I would push install later but it would not disappear. So I’m thinking I should unroot back to stock to do update and I used unroot back to ics stock directions on this page. Everythingwas going fine in odin then it said failed and now it says firmware upgrade encountered an issue. Please select recovery mode in Kies & try again. What should I do now?

  8. Reggie says:

    Uuuugh! PC crap city!!! I need this how-to for Mac…Help

  9. Mike says:

    OH COME ON! You start out by saying that it won’t erase my apps, then you wait ’till the end of the video to say that it does! Next time, please edit your video with a notification of some sort to warn people that their apps WILL be deleted. I followed you step by step, w/out backing up, and then find out at the end of everything that I lost all my apps/app data. 🙁

    • Mike says:

      I should add, your video was VERY helpful, other than losing my apps w/out creating a backup. Which is partially my fault, I know you should always backup before doing stuff like this. Still, a little heads up wouldn’t hurt!

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