[Q] question about root with 'brick' chip

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By don2020, Junior Member on 10th February 2014, 08:59 AM
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A year or two ago I purchased this Samsung Galaxy S2 GT i9100 from Ebay, which came to me in Chinese. I changed it to english, eventually, but I could never get it to update firmware, which was a minor contrivance. I continued using it for a long time, with some reservations.
Though two days ago, I finally got around to giving a workaround a shot, which didn't work. I tried another, and another; and nothing worked until I gave up and then all of a sudden, kies decided it would update the firmware out of the blue - without me actually doing anything.
Go figure.

Anyway, the phone started working great until I did some updates on my apps, I lost my "Navigation" app which I am told, most likely got put back into google maps (as it was a part of it) and the phone has crashed twice, frozen for several seconds several times and been quite slow in general since. I googled a bit and found that the culprit was likely the /data/logs - but I cannot get to them as the phone isn't rooted. I deleted some apps to make room on the phone, as it was 1.8/2gig (wouldn't let me update half of my apps at one point!), bringing it down to 1.4 but that had very little affect on the phones performance, and I still have half a dozen Gigs left on the USB. So the logs seem to be the culprit at this point.
Further googling indicated to me that I should err on side of caution and factory reset the phone, but I was unsure whether I should do it before or after rooting the phone, which caused me to find out about this "brickbug".

And I also found out, by an "eMMC brickbug checker" app, that I have a:
FwRev: 0x19
Brickbug? YES. Insane Chip.

Which leads me to asking you guys what the best process for me to go about this is, considering that I need to not brick my phone as I return to university in two days, but cannot continue with phone locking up and crashing?
Should I skip on the factory reset and just root phone, and if so which process is best, there are so many?
If further info, which update etc, is needed to select proper method I require, please let me know how/where to find it, and I'll post it asap.
Thank you in advance,
10th February 2014, 09:30 AM |#2  
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Whether you have a susceptible chip or not is largely irrelevant; the brick bug is triggered by running rooted stock 4.0.4 & doing a factory reset, anything else & you're fine.

I'm not sure why you think rooting the phone is going to fix the problems you're describing ? I'd only be rooting the phone if you have a specific reason to do it. Also, if you absolutely cannot be without your phone, don't root or flash anything to it ever. Sometimes stuff goes wrong, and you simply can't completely remove that risk regardless of what some people on here might tell you (even tho that risk is very very small for a given flash).

So...If I were in your situation, first up a factory reset. If that doesn't help, find Hopper8's 'Odin troubleshooting' guide stickied in the General section, download the 3 part firmware linked in the thread, flash it with Odin. This will wipe your phone. I'd then download a stock rom for your country/carrier from Samfirmware (anything but 4.0.4) & flash that with Odin. This will give you a clean installation & should resolve your issues. If it doesn't, you're probably looking at either something on the app side not playing nice, or a hardware issue.

If you want to root the phone or flash a custom rom from there, that's up to you, but be mindful of the potential for stuff to go wrong. So far as methods to do these things go, this stuff has been/asked answered thousands of times here over the past 2.5 yrs. We have stickied threads near the top of Q&A & also a thread with a multitude of guides/tutorials stickied near the top of the General section. If you do go down this path, taking as much time as you need to read/learn/understand methods on your own (as opposed to someone regurgitating a bunch of steps you don't understand the consequences of) before you do anything should limit the chance of 'accidents' happening.
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