JellyBean 4.1.2, Galaxy S2x - Was it what you hoped for?

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We've finally received the long awaited JellyBean 4.1.2 upgrade today. I wanted to get an overall sense of what people like or perhaps dislike about the new OS. Views on overall battery life, device performance, the new UI, or any issues pertaining to the upgrade overall. Was it what you hoped for? Let's hear it!

Quick guide to those having difficulty with Kies - click image to enlarge.

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rikkster, Mobile Master

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Posted 5 years ago

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thenixter

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I'm really enjoying it so far. Battery life seems to be a bit better than before but I've noticed a weird thing it'll leave wifi running after it's been locked even when it's been disabled. It's definitely faster IMO, this thing flies now with project butter and I've yet to see any lag even with Power saving mode enabled. Gotta say it was definitely worth the wait!
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thenixter

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And with the added ability to receive OTA's I'm wondering if we'll be seeing any more possible fixes or updates in the future.
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rikkster, Mobile Master

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Rumour has it possibly 4.2.
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Cristhian Mejia

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I tried T-Mobile Jelly Bean and its exactly identical, sans the T-bloat. It's fast because of project butter optimization, but for some reason my battery won't charge to 100%. Always at 98%. Kies soft-bricked my phone had to install TWRP to get phone to boot. Phone shows 2 counts for downloads and I'm using 4.0.3 again. I think I'll stick with this software until I get my preordered S4 next week. Battery is comparable, but seems like a rushed update.
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rikkster, Mobile Master

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Not sure if TWRP has it, I'm using cwm recovery touch 6.x.x.x and under Advanced, it allows you to wipe the battery stats, my S2x shows a full 100% charge. Here's an article on how to bring the flash counter back to NO instead of 2.

http://forum.xda-developers.com/showt...
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Hasan Khan

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It feels awesome to use it finally last night. Much better than previous version.

Samsung is not giving the feature like Multiview, Smart stay etc to S2 because maybe its CPU is slower hence it will lag in opening multiple programs at once.

Overall great update!
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Cristhian Mejia

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Go to cnn.com play a video on the player and press on it. It will give you a pop out option and you can play it on the screen while you multi task.
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NBS

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Really wanted the multi-view, more than anything else actually. Disappointed in that regard. Google Now is the only thing that I think I'll realy notice. Probably gonna root it when the warranty expires to get multi-view on it.
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HippieLongstocking

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OK. Do after much long hours of resetting my comp getting all the proper updates I needed to get Samsung lies downloaded on my Comp. What is the next step. I know there are Releasing the updates in stages. everyone will have the update by may. But do we get a notification or email letting us know when the rest of us are "eligible" for the update. because this chick is getting impatient :-P
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thenixter

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Anytime! Good call it's definitely safer. I wonder how Samsung chooses who the updates roll out to and when, be interesting to know if it has to do with when you purchased it or if it's completely random lol.
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HippieLongstocking

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I've been pondering that in my brain when I was reading up on it
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rikkster, Mobile Master

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JB 4.1 would be a "global" launch in the sense that once it has past all the phases of testing it gets distributed to the masses. There shouldn't be any reason why you haven't received it yet. There are other devices (non-Koodo) scheduled to receive the 4.1.2 upgrade which is why they mention the upgrade will be rolled out in stages.

Just to confirm the version you have, open up Kies, (you'll likely be prompted to update Kies again) go into Help and scroll down to Kies Information, there was an update early yesterday, so the the Kies software version should read 2.5.3.13043_14.

Pull the battery out of your S2x, after 15 or 20 seconds re-install it. Open up Kies and while it's loading, attach the device via usb and see if that makes a difference.
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HippieLongstocking

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I had no problem with kies. I did the update this morning with no problems:)
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rikkster, Mobile Master

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So you now have JellyBean on your S2x?

Edit: Read your other post. Awesome!
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NBS

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Playing with it for a day so far, more cons than pros from my standpoint. I'm not upset or anything, it's certainly not all bad, but it just seems to be causing more of a hassle for me than anything.

When the warranty expires, I'm going to root this thing and take control of it, until then, I can certainly deal with it. I'll probably find some ways to get some things back the way i liked it in the meantime, which might make the upgrade worthwhile in the end.
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Erwin

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The new update was great, I feel like I was using my S3 with my S2X. Still thought they were too late to update it. Not really up to par with the Bell and Rogers variant. Koodo has to be more up there and request the updates from samsung, and not just wait for them to do it.
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rikkster, Mobile Master

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Just pointing out that Rogers has the S2 and Bell has the S2 HD LTE, two completely different devices compared to the S2x. It's really out of Koodo's hands. TELUS carries the S2x and they were able to provide us with estimations as to when the OS upgrade would be available. It's safe to assume that Samsung deals directly with TELUS when it comes to OS upgrades, Koodo has very little say in the matter.
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Erwin

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yeah i said variant, I didnt say its the same version.
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Jordan

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TeaBird, open up Kies, and click on your device once it loads. there should be a dialogue that comes up telling you an upgrade is available
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HippieLongstocking

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Yay! I woke up this morning plugged in my phone and to my surprise.... there it was the update. I was so ecstastic! It's all done. Already noticing the differences. My keyboard no longer lags when typing on websites!!!!!!!!!!!!
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rikkster, Mobile Master

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Congratulations!!! Let us know what you think of the new OS upgrade, pros, cons and so on.
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HippieLongstocking

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Yes I officially have jellybean! Yayyyyyyyyy! ( just walked into a tree branch) anyways ... yes It's awesome. Smoother, I like how the notification bar when slide down has the settings button right there ! Also in music when I'm turning up the music it has the settings toggle for all your sounds so u can turn ur notifications off right there. It was annoying to have to go home then for to settings then sound. Everything is right there. Love it really enjoying it. Sorry for the sloppy writing I'm walking and typing. Not that easy lol!
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Mary Mm

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battery life is terribly low
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thenixter

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Try doing a factory reset after you've updated the phone as it should help. Head to settings --> Back up and reset and you'll see the option. A word of caution though make sure you back up your contacts and any other data on the phone itself first because it'll all be lost once you've reset it.
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Mary Mm

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thanks. I already did that.
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thenixter

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Hmm you could try downloading a free app called Juice Defender. It'll shut off your wifi and data when you're not using them to save you battery life, you'll still get all of your notifications from facebook etc.
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Jordan

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I've noticed that too. My battery only lasted till 4pm yesterday under normal usage.
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thenixter

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Do you have GPS and everything else enabled? Granted I've only been on wifi but I'm pushing a day and a bit now with mine.
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rikkster, Mobile Master

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Same here, 27 hours and I'm now at 12%. There is a power saving mode that can be enabled within Settings which should work toward extending battery life. Failing that, there are quite a few apps out there designed to prolong battery life.
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James Hall

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Ive tried to update mine but keep getting "gt-i9100 does not support initialising" when i try to update it.

no ideas what im doing wrong but im pulling my hair out.

im running windows 7 64 bit on my pc does this make a difference?
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thenixter

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You might want to contact Samsung themselves on this one then. A friend of mine ordered an unlocked At&t unlocked S3 when Jellybean first came out for that device and he wasn't able to update it either for some reason. As Jorden mentioned the update for that version should be out as well so I'd see if they can help you further with it. Here's a link to their site, hope you're able to get Jellybean running. http://www.samsung.com/ca/info/contac...
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James Hall

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cheers for that ive sent Samsung a message so fingers crossed
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James Hall

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after some trolling through the internet last night Ive discovered im not the only one with the cwp software that's having these issues.
I got fed up and used odin and installed the jelly bean I9100XWLSN firmware and im well happy with it. much better than ICS
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rikkster, Mobile Master

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Congrats!!
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James Hall

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cheers its a nicer phone to use now with JB installed im glad I took the plunge
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rikkster, Mobile Master

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That's the international variant of the S2, did you purchase it in the UK?

http://www.sammobile.com/2013/01/23/s...

Which Android version shows up on your device when you go to Settings > About Phone? You should have 4.1.2.

If you have a lesser version than 4.1.2, input your device's model number (gt-i9100) on the SamMobile firmware page, in the box "Search device here".

Link below.

http://www.sammobile.com/firmwares/

You may have to flash the firmware manually.
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James Hall

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yes it was bought in the uk from the carphone warehouse
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cody Dick

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I am really liking it so far. Though I lost root on the phone. Anyone know the rooting process for it now?
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rikkster, Mobile Master

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I managed to flash a custom recovery, but no root as of yet, thinking maybe if it's done through Odin, there might be a way to preserve root access.
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James Hall

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theres a guide here to rooting the s2 and he has links for the jelly bean kernal.

Im tempted to try it but ive never rooted a phone before so will be doing a bit of reading up first

http://androidforums.com/galaxy-s2-in...
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rikkster, Mobile Master

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Just a personal preference, but I find XDA Developers to be the go-to site for modding just about any Android or Windows Phone device.

http://forum.xda-developers.com/showt...

http://forum.xda-developers.com/forum...
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James Hall

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I have used XDA in the past when I had the HTC HD2 running on android
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rikkster, Mobile Master

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Been registered with them since '07 (HTC s640 Iris) a relic by today's standards.
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cody Dick

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Found a guide to root here http://androidforums.com/galaxy-s2-t-... works great. Rooted on 4.1.
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cody Dick

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I tried and it does not work. I'm not sure why you want to do that, as its not needed for rooting. Make sure you read the last post in the guide it simplifies the process.
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rikkster, Mobile Master

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Just confirming that these codes do not work, with the S2x rooted, due to the recent upgrade to 4.1. These codes (low-level instructions) aren't required to root the S2x, but are used to determine, for example, if the device is currently locked/unlocked to a carrier (*#7465625#).

Fortunately my S2x is permanently SIM unlocked, however the only way to verify this was to insert a SIM from another carrier, (kind of a pain when I was able to check by simply inputting the code above prior to JB 4.1).

Losing this feature has prompted me to return to 4.0.4 rooted for the time being, while I figure out a workaround. A side note, it is possible to SIM unlock the S2x without root using this code *#197328640# and tweaking the parameters within, but not with JB 4.1 installed.
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cody Dick

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If you're permanently unlocked I'm not sure why you would need to check often. Unless you lost the unlock through the update. Would be nice I'd there was some unlocking software for our phones.
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rikkster, Mobile Master

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I experiment with a lot of custom ROMs and I do mean a lot. Having the ability to see if the ROM has altered the SIM lock by entering a simple code is far less time consuming than having to power down the S2x, peel off the back cover, install a SIM from another provider, reboot, etc.

Having said that, I'm convinced the unlock code is permanently stored via protected NVRAM, which would explain why the SIM unlock rarely, if ever gets wiped.

There are unlocking apps for the S2x available on the Play Store free of charge. Galaxy S Unlock worked flawlessly for me. Unfortunately, the only way to verify that the unlock was successful running JB 4.1, would be to insert a non-Koodo SIM card. *#197328640# works flawlessly too, but not if you're running JB 4.1. The codes are definitely a convenience.

I guess I'm seeing this as more of a minor drawback with JB 4.1, than anything else. There are well over one hundred low-level instructions that can be issued to the S2x that can perform a variety of functions, diagnostics and minor tweaks. I've already discussed three thus far. The fourth, *#06# is the only code that will work with JB 4.1 and will return your IMEI number.

For the everyday user, the codes are not that important. Someone could easily fubar their device if they didn't know exactly what they were doing. For those of us that like to put these devices through their paces, it's a minor setback, the device still works and JB 4.1 appears to be a fairly stable platform for the most part.
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cody Dick

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Thanks for the informative post, I can see how that would be a nuisance. I'll be sure to try Galaxy S Unlock thanks. I wonder if there are different new codes for Jellybean floating around somewhere.
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Mike Bisson

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How can I get the nexus 7 email app? I figured this update would replace the crappy stock email app, but it stayed the same.
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rikkster, Mobile Master

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Heard there were some issues with the stock Nexus 7 email app as well. Here are a few other alternatives to choose from.

https://play.google.com/store/apps/de...

https://play.google.com/store/apps/de...

https://play.google.com/store/apps/de...

https://play.google.com/store/apps/de...
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rikkster, Mobile Master

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Dare I ask this question again? lol!
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cody Dick

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Ya! I think it would be good idea. I still really like jellybean, but there is definitely some glitches especially in the tw launcher.
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Ric Thot

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Can't say it revolutionized the device, but it's great.

Annoying bug (known 4.1.2 issue) that resets the default input mode on every reboot (i.e. I set SwiftKey as my default keyboard, upon rebooting, it defaults back to the stock Samsung kb).

Bunch of Samsung stuff that can't be disabled anymore as well...
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Martin Chung

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It is really great, but there are some features missing like Smart Stay and Easy Mode which supported on International Galaxy S2(I9100) with new Jelly Bean upgrade.
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El Tattoo Artist

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Can somebody tell me which way is easier to upgrade the s2x? Kies or Odin? Also which way is the safest.
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rikkster, Mobile Master

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I despise Samsung Kies because it has caused so many problems with this JB update, it is however the safer way to go if you're not familiar with Odin.

If you choose the Odin method of applying an upgrade, follow the instructions on how to root the S2x, Rooting the S2x will allow you to perform a full system or Nandroid backup in case something goes wrong. Other than that it's a lot easier and faster than Samsung Kies.
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RedMageX

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Or you could go ahead and use the new Cyanogen mod install prep app on Google Play. https://play.google.com/store/apps/de...
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rikkster, Mobile Master

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Definitely another possibility if you want to go the route of a custom ROM.
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El Tattoo Artist

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@DamonR. is the Cyanogen mod a safe way to upgrade though?
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El Tattoo Artist

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@DaminR. I clicked on the link you posted and it sent me to google play but it reads that my phone isnt compatible with that version... I guess I won't be upgrading my s2x after all. Thanks anyways to those who replied to my questions.

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