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Old January 27th, 2012, 03:09 PM   #1 (permalink)
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Default Optimus T stuck in boot loop (possible TiBu issue?)

I have an Optimus T, rooted but with the stock ROM. I ran the Titanium Backup "integrate Dalvik into ROM" function, which seemed to work fine, but it didn't free up that much space, so I ran the "undo Dalvik cache integration".

It rebooted, and now it seems to be stuck in a loop at the Android logo.

The "Master Reset" (T-Mobile Support Community: Master reset using hardware keys - LG Optimus T) does not work - the recovery screen appears briefly, then it goes into the Android boot loop.

Is there anything I can possibly do?

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Old January 28th, 2012, 06:03 AM   #2 (permalink)
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Sometimes it's not a good idea to factory reset a rooted phone. Might = Brick.
Pull battery and hold power button down for 30 sec. If that doesn't work:
Your going to have to install a custom flash_image and recovery using you computer and ADB.
If you need help look in the All things Root sub-forum where I'm going to move this for you.
If you want, if nobody responds, I can help you get ADB and research the proper info for getting a custom recovery on your phone. Just click on my name and pm me.

EDIT: Left a one week redirect so your thread will be seen in both places for one week. You should be good before then.
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Old January 28th, 2012, 09:30 AM   #3 (permalink)
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Awesome, thanks. Ideally, I'll be able to send the phone in to T-Mobile and they can re-flash it (there are actually some things I like about the stock ROM), but if they refuse, I'll be tackling the ADB method.

Thanks for your help!
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Old January 29th, 2012, 03:03 PM   #4 (permalink)
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I tried the method described here:

http://androidforums.com/optimus-t-support-troubleshooting/455670-how-i-unbricked-two-phones.html

...and it worked. Androidforums.com is the shiznit.
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Old January 31st, 2012, 08:42 AM   #5 (permalink)
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I had been wondering about Titanium's new "Integrate Dalvik into ROM" function, but decided against using it -- when I asked about it, forum posters were leery. Looks like they were right to be suspect! Thanks for your cautionary tale... I will no longer be tempted to "try it and see if it works".
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Old January 31st, 2012, 09:20 AM   #6 (permalink)
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Well, the "integrate into ROM" seems to work fine (I did that on my Optimus V with no problems). It's just the "undo integration" that seemed to bork my Optimus T, or at least that's the last thing I did before it stopped working. Guess I won't be doing that on the OV.

But, yeah, the whole idea seems pretty iffy. If I didn't have CM7 on the OV, I wouldn't've done it (CM7 moves dalvik into the /cache partition, which is pretty small on the OV, so I needed to get some data out of there). That's not the case with the stock OT, so I probably shouldn't've fooled with it in the first place.
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Old February 3rd, 2012, 12:15 AM   #7 (permalink)
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Glad to here everything worked out.
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Old February 25th, 2012, 02:29 AM   #8 (permalink)
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Default Same issue with Dalvik Cache on Optimus V

Quote:
Originally Posted by TnIan View Post
I have an Optimus T, rooted but with the stock ROM. I ran the Titanium Backup "integrate Dalvik into ROM" function, which seemed to work fine, but it didn't free up that much space, so I ran the "undo Dalvik cache integration".

It rebooted, and now it seems to be stuck in a loop at the Android logo.

The "Master Reset" (T-Mobile Support Community: Master reset using hardware keys - LG Optimus T) does not work - the recovery screen appears briefly, then it goes into the Android boot loop.

Is there anything I can possibly do?
I'm in the same position after doing the same function in Titanium Backup.
I could use the help with finding out how to get out of the Android bootloop.

Any help will be greatly appreciated!

Robert
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Old February 25th, 2012, 07:09 AM   #9 (permalink)
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This worked for me:

http://androidforums.com/optimus-t-support-troubleshooting/455670-how-i-unbricked-two-phones.html

Read the whole thing - the original instructions worked fine, but I recommend downloading a different ROM (I linked to it further down the thread).
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Old February 25th, 2012, 07:20 AM   #10 (permalink)
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Default Correct ROM for Optimus V

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Originally Posted by TnIan View Post
This worked for me:

http://androidforums.com/optimus-t-support-troubleshooting/455670-how-i-unbricked-two-phones.html

Read the whole thing - the original instructions worked fine, but I recommend downloading a different ROM (I linked to it further down the thread).
Where could I find the correct Rom for an Optimus V? I didn't mention that
mine was a V instead of a T. I'm concerned if I use the wrong download,
I'll have even more problems.

How can I search for the download for the V?

Thanks a million
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Old February 25th, 2012, 09:35 AM   #11 (permalink)
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I have an Optimus V too, but I've never unbricked one. If you google "Optimus V stock ROM," there are a bunch of links about restoring one to its default state, including links to a ROM image.

Good luck - I know how frustrating it is to have to unbrick a phone!
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