(Updated With More Bug Fixes) Galaxy S II Software Update Begins Today, Wi-Fi Calling Included

I know Galaxy S II users were a little jealous by Mondays news of the HTC Amaze 4G software update that included Wi-Fi calling. Well be jealous no more Galaxy S II owners as your very own update is on the way beginning today giving you the very same Wi-Fi calling option.

Galaxy S II devices will be upgraded to Android 2.3.5, software version T989VUVKL1 that includes the following enhancements:

  • Caller ID enhancements
  • Battery enhancements
  • Wi-Fi calling enhancements

The upgrade will be sent Over-The-Air (FOTA) and will also be available via Kies Mini. This is great news for both HTC Amaze 4G and Galaxy S II owners as they finally have the awesome option for Wi-Fi calling.

More info: T-Mobile

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  • Anonymous

    Congrats….and welcome to the club SGSII users!

  • This Guy Rules

    Sweeeeeetness! Love this phone!

  • Maxa

    So is WiFi calling free/no count against minutes  like it was for Android phones back in May of  this year — or is it a charge against minutes

    • P21

      Depends if your account has the free wifi calling feature added.  You can just call customer care and ask it be added to your account.

    • Bratty

      Depends. It takes minutes off as a general rule but some people claim that TMo now includes it for free. If you are grandfathered in (I am), then it doesn’t count. I would call and figure this out for your specific case.

    • Anonymous

      WiFi calling does not use your plan minutes on POSTPAID PLANS ONLY.
      If you have a prepaid plan, it will still use your minutes.

  • Nearmsp

    Great news. I was planning to buy an Amaze this weekend but now will buy an SGS2. Just in time for me!

    • Jim Brez

      I was  thinking the Amaze, the iphone, but decided on SGS2 and am so happy that I did.  This phone is amazing!!  You will love it!

  • David

    I’m so happy I could cry!

  • JustMike

    I hope this isn’t the final update for the intrepid GSII.. is it time to start the office pool for what month the ICS fairy is coming?

    • Anonymous

      I guarantee that our phone will get ICS.  There’s zero reason for it not to.  

      If I were to put money on a month for the ICS update, I would go with June.  Spring is wishful thinking.

  • Anonymous

    Can’t say I’ve had any of these problems but hey all improvements are welcomed!

    I’ll appreciate my battery saying “Full” but a % would be a huge plus.

    • Sanman202

      Batter meter has been pretty much on par with mine. I’m thinking the update may make things worse. Almost a case of don’t fix what’s not broken.

      • Anonymous

        Its hard as hell to gauge the actual remaining percentage on that stupid meter.  

  • Sunday517

    Maybe i’m crazy, but I’m reading the fine print and it says New Phones will not come with the upgrade? Why not. Why wouldn’t the company pre load this in the new phones?

    • Anonymous

      The new phones are probably manufactured and shipped out before the update was ready.  They are not going to open the boxes of each new phone and run it.  People could then wonder if they are getting a true new product with the manufacture seal broken.  And its employee time they have to pay them to do that.  The store reps might be able to push that update if the phone itself can initiate it.  Otherwise its easier and more economical to do it ota.

  • Action 6

    OH I THOUGHTS UPGRADE IS ALREADY AVAILABLE TODAY COS I NEVER FOUND INSTRUCTION, ANYWAY

  • The Shick

    I wonder when the developers will include the wifi calling in their roms? I’m running eagles blood and loving it. Hope we get the update soon.

  • 400runner

    just picked one up yesterday… NICE!!!!

  • RG

    So, how does this work? Do we have to manually keep checking if our phone is ready for the upgrade or does tmobile notify us somehow?

    • kw

      I have the same question.  My phone says there is no firmware available when I check for an update

  • Hanjin

    is this only for the usa tmo version of the sgs2 or for the international i9100, too?

  • and what about the lock screen issue ??????????

  • Anonymous

    I’m very happy for all the GS2 owners out there. Wifi calling is a blessing!!

  • Sanman202

    Almost afraid to install any update as mine is running great. I can only run worse with an update. I don’t see anything in the list up improvements that is a cocern for my device. I don’t need wifi calling as well. I’m sure we have an option to opt out until the next real big update which should be ICS.

  • AndroidKura

    OK what you waiting for send it already i want my wifi calling

  • Action 6

    i put the enw sim in my GS2< but no call, do i have to activate the new sim card? how i do that?

  • I am not sure un-rooting is worth getting WiFi calling unless there is a ROM out there with it already (running EaglesBlood right now).

  • Vladimir Bonhomme

    wait will that affect my adobe flash?? cause i heard adobe is getting rid of all mobile flash???

  • Auser72

    And I just rooted my phone last weekl. How long do you think think for someone to come out with wifi ROM or upgrade for rooted phones?

  • guest

    Can I  upgrade SG2 if  it was not bought in Tmo store? 

  • AndroidLuv3r1

    So confused cause my SGS2 came with Android 2.3.5. Does it stay the same or become 2.3.6?

    • Oemgadroid

      Just the baseband is updated look at your about screen and compare what you just read..

      • Raylebron

        Mine changed to 2.3.6 after the update

  • Omegadroid

    Could have used this yesterday with the crazy South Florida outage!!! Thank GOD for Google Voice…

  • Action 6

    I messed up. I mistakenly activated my NEW SIM CARD from SGS2 box to my other tmo line that doesn’t use my SGS2. i went back to chat online, asked to change it back and told me it can’t be done. so I wasted a SIMCARD. Asked to ship me one but says NO and go to store and pay for it.
    How much does this new SIMCARD cost? i may find one at ebay for $1 maybe?
     How do i look to find the new sim for SGS2 to get wifi calling update? i forgot the number.
    help please

    • Action 6

      what should i do?

      • PrayingforWiFiCalling

        Just go to the store after you receive the update tell them wifi calling is not working, inform them you used the original card you had before they should provide a new one free of charge…if not then probably 20 bucks?

        • Action 6

          they maybe a trick, if not will buy from ebay for $1 is this new sim is available, usually ebay has simcards for as low as $1 free shipping

    • Cc

      We dont charge to replace or upgrade sim cards at corporate retail stores.  If one does something is seriously wrong as they are going in a manually changing the price from $0

  • Oldj

    Will this update fix the fuzzy lines under the screen under low lighting?

    • Raylebron

      It didnt fix neither the lines nor the circle pattern spots.

  • Jabster97

    2.6.35.11

  • Djclove007

    Has anyone got the update yet ?

  • did anyone got the update yet ? 

  • Androidman

    Did anyone get the update yet? I have not gotten it yet.

    • Fr24

      Still waiting

    • Bmitch2621

      Nope … Still waiting … Just like T-Mobile to announce an update that’s still unavailable

  • Ekoy

    just got mine

  • Ekoy

    sweet!!!! wifi is enabled and Gtalk with video.

  • Androidman

    Still have not gotten the update.

  • Fr24

    So HTC amaze got theirs and the same day you hear joy of receiving the updates sgs2 is still in the dark.. I feel upset that I have an amazing phone with out the proper coverage.. Im using my galaxy s until further notice

  • Anonymous

    im in chicago, and i still havent recieved the update, on kies, how are you all getting your update?

  • Raylebron

    Mine received it last night and Im not happy. First the lockscreen has an ugly bar that saya ‘Slide to unlock’ as if I didnt know that already. Second and most inportant I used to connect my phone to my car using the usb cable to listen to music. Today when I connect the phone the radio says that the usb device has 0 songs. That pissed me off!

    • my lockscreen never worked since the first day … do you think this update will fix that ? 

      • Raylebron

        I really dont know, my friend. Sorry

      • Raylebron

        I really dont know, my friend. Sorry

    • Raylebron

      The bar with the slide to unlock notice disappeared. Strange

  • didnt received it yet ….   

    • Raylebron

      Go to settings, scroll to Phone Update, press it and see if it does something

      • there is no phone update option … there is just software update which says no firmware 

  • Androidman

    Still no update, even from Kies!!!

  • Oreo

    Received the update this morning. So far phone still runs as smooth as day one. One bug I noticed is the browser closed on me about five minutes ago so I will keep much eye on that. Wifi calling is in the setting menu already turned on in case you connect to a network it will initiate wifi calling. Hope this helps someone on the ropes about updating. As for the lockscreen bug. What exactly is the lockscreen doing?

  • Pardue

    Well, while trying over and over again to connect via Kies for the update, T-Mobile sent is OTA to me … lol … Everything seems to be working great … After installing update, Wi-Fi calling is already turned on so it immediately connected to my home internet and presto … Wi-Fi calling!  I don’t really like the “Swipe screen to unlock”, has anyone figured out how to customize this option?  Will keep you updated for any issues I happen across.

    • Pardue

      BTW, my Android Version now displays 2.3.6 / Software Version T989UVKL1

      • Drwillcg

        What part of the country are you in,

        • Pardue

          Denver, Colorado

  • mark

    i havent got nothing im upset 

  • Juan 2 3

    Have not received notice for update, but shows I have Android version 2.3.5 already

  • Anonymous

    Anyone have the update.zip?

  • Androidman

    Still no update for me. I am getting very pissed. Why cant Samsung make this available.

    • mark

      i second that

  • fryrice

    still no google voice video chat

    • Ekoy

      I have video enabled on mine after update. Snappy too.

  • David

    Ugh I need this update in my life!! Come-on T-Mobile OTA me!!!

  • Fr24

    Keep checking my settings turning on and off my phone… Even tried taking a nap come on Samsung Santa give me the update

  • Merry Xmas

    Saw it on my phone this morning but didn’t see it on my wife’s.

    Did the update and noted the following:
    -Android version shows as 2.3.6, build = GINGERBREAD.UVKL1
    -Phone felt faster
    -“Swipe screen to unlock” appears as a semi transparent banner across the lock screen
    -Wifi calling is activated

    • Pardue

      Changed my wallpaper and then changed it back and the “Swipe screen to unlock” is gone … Yes!!!  Really stupid addition, like I don’t know how to unlock the phone….

      • Merry Xmas

        Mine disappeared as well…glad it’s gone!

        One other thing, it seems like the lock screen is easier to unlock, i.e. less screen surface swiping is required to move the wallpaper out of the way (perhaps 1/3 less).

        • anfrey

          mine won’t go away…

        • Pardue

          Did you change your wallpaper?

        • anfrey

          i did a few times and the message kept showing up. i gave up after a while and the message disappeared on its own roughly 10-15 minutes later. odd.

        • Frustrated SGS2

          I tried changing wallpaper and waited a half hour…still there! :/

        • anfrey

          mine disappeared roughly 15 minutes after changing my lock screen wallpaper. i was searching for a solution online, picked up my phone to use it and the message was gone.

        • Frustrated SGS2

          same thing happ to me.. lol.  i searched online and picked up my phone and the banner was gone.

  • Androidman

    Kies just recognized my phone update happening as we speak.

    • mark

      please tell me how i do it on this kies thing ? thanks much

  • mark

    please tell me how i do it on this kies thing ? thanks much

    • Androidman

      It took a while. I think Samsung and tmobile are rolling it out slowly.

  • Androidman

    Success. Finally working.

  • AndroidKura

    My kies mini in my pc does recognize my phone it says Please reconnect the device in samsung kies mode. The Current connection mode is not supported by kies. I just got the GBA sim card also and nothing

  • mark

    ok i got it now through KIES! download from here then connect your phone through USB . i just downloaded it and connect my phone by it self it said new update :) 

  • Local

    Finally got it through kies!!! Just connect phone to PC open kies and it will notified about new firmware.

  • updated my phone …. tried rooting it and failed …. tried several times and it failed everytime :( 

    • Anonymous

      You were already rooted?  I flashed the .tar but did not install the superuser.zip because I the app was still there but it turned out I still had to install the .zip in recovery mode and it worked.  Each time I rooted though, the .zip did not take on the first attempt but does on the second. 

      Dunno if that helps any.

    • IDONTPAY4WIFITETHER!

      HAD NO ISSUE WHATSOEVER RE-ROOTING AFTER UPDATE. JUST FOLLOW STEPS AS YOU DID THE FIRST TIME YOU ROOTED

  • AndroidKura

    I got my Wifi Calling thank you very much the Kies Mini looks very very dope can put in ur music and video like a itunes I hate that I have to use that word Itunes but still i like great stuff

  • Fr24

    Can’t get the update all the links show is an error…and no ota hmmm I give up

  • diner0

    I thought everything ws bs but NOW IM HAPPY AS HELL TO SAY I GOT THE UPDATE! :-) …you have to do exactly what the link says to download through Kies Mini IN LOVE WITH MY GALAXY SII NOW EVEN FASTER & WIFI CALLING WS MISSING BUT NOW HERE CLDNT BE ANY BETTER THANKS TMOBILE & SAMSUNG!

  • Anonymous

    I got my update via the full Kies program.

    • Maciejkoziol

      same here

  • Barebone

    Anybody experiencing issues after update. I I cannot make a phonecall several times.

    • Raylebron

      My car’s radio(Pioneer, Scion TC 2011) wont read my music files after the update. It conects and everything via USB but it just says 0 SONGS.

    • Xtocity25

      My call don’t go thru on first try

  • kw

    thanks Mark.  worked like a charm

  • Xtocity25

    Is any body experiencing any drop call after the upgrade

  • Djclove007

    Did my threw kies real easy had the swipe bar after but disappeared after 15 min noticed phones little faster n smoother no drop or calling issues ill see how battery works after wi fi is there now and now on 2.3.6 so far no issues caller I’d works now.

  • Androidman

    I cannot download Grand theft auto 3 on my galaxy s2!!! It says that it is incompatible.

    • anfrey

      looks like the sgs2 isn’t on the game’s device list (according to market description)

    • tmoRSL

      i got it , 

  • LuvFerrari

    u need to use the full version of kies for the S2 firmware update — kies mini won’t do it.

    after the update to 2.3.6 the phone does run smoother overall and the battery life improved about 10-15%.  other than the other improvements noted by others here, i found that the music player got a new icon n its UI also improved.

    my sim card (build 50-01) won’t work with the wi-fi calling anymore.  i was hoping to save the new sim which came with the S2 (build 50-05) for the future but guess i have to swap it out…  :-(

    overall the update was a needed improvement over the old 2.3.5.

    • anfrey

      my touchwiz music player looks the same as before, though it seems google music got reinstalled upon update.

      • LuvFerrari

        correct.  google music player was “re-installed” n updated.  however, the upgrade also affected the samsung music player thou — my settings in samsung music player were  reset to the default (my custom eq setting was gone, etc.)

        wi-fi calling is very convenient due to its “free minutes” feature.  unlimited calling while on wi-fi, in addition to continuous phone connection in non to low cell signal areas, was SWEET!

        • anfrey

          i was under the impression that wi-fi calling still used your minutes bucket… are you sure wi-fi calling minutes are gratis?

        • LuvFerrari

          i called tmo multiple times to get confirmation.  wi-fi calling is all FREEEEE, brother!  ;-)

  • Joevisual

    I had a worse case with my SGS update major fail. Using kies I downloaded the zip started to update and error came up. The SGS2 then went into this screen that said to do kies emergency recover. The cell stopped connecting correctly to my computer at this point. So, I can recover because its not being read by the computer correctly. The phone is in this limbo state where its not connecting to kies. Had now way of resetting. Vol up and down with power bottom didn’t do anything but give me the same screen (omni odmi mode, or something like that). Tried for about two hours to get it to sync and no go.  This was 12/16/11 night time.

    Next is not really about the update but does have a good ending. Next morning took it to tmobile store west covina on amar ave and I told the clerk/dude my phone locked up with this update. He said what update there is none for this SGS2. I told him the update for the wifi calling. He said the phone already has wifi calling. I told him well there’s a update. He said update from who? I told him from Samsung website using their sync software. The clerk said oh yeah you shouldn’t use stuff unless it comes from tmobile. That when I thought what a jackass who doesn’t even know there’s a update on what I assume their #1 phone and who thinks I shouldn’t update from the manufactures website. So the clerk takes the phone tries a reset and same omni emergency screen. He said you need to call customer service, last thing any one wants to here there just as bad sometimes as this clerk. I said who’s customers, He said what do you mean? I said Samsung’s or TMo? I thought it was his job to do this for me guess not. I know there was another person in the store being only helped by one other clerk so my clerk must have been in a hurry to help him so one would be there as there accustomed in Tmo stores. By this time I’m wasting my breath. Things are looking pretty down I’ve had the phone for less then a month and its junk now. On to plan B and Yess! I had it less than 30 days took it to Target in city of industry where I bought the thing. The cell phone guy was on it. Knew kies was Samsung software and I had my receipt so I want to see about a exchange. I get an exchange with what! 70 bucks back refund because the SGS2 is on sale for 129 today. Not only does he get me a exchange but gives me money back. The agitation I went though was more like 100 bucks worth but I’m happy camper with 70. Tmobile costumer service is a gamble sometimes you get people that are totally awful with no effort like the clerk at asuza and amar in west covina, ca on 12/17/11. Other times you get someone who knows there stuff and will do whats right.New phone over the air update today its…  good! 

    • anfrey

      did you catch the oblivious and unhelpful clerk’s name? perhaps worth writing a letter to tmo about?

  • Cwsl85

    I cant seem to get kies to connect to my phone. Is any one else having this problem?

  • Umiami47

    I bought my SGS2 on Thursday without the update and I can make WIFI Calling!

  • Sirivn

    Just got the ota update 12/21/11@3:24am. It says android 2.3.6
    When i try wifi calling it says i need a 911emergency address.
    I hope they update a fix for the browser.
    Everytime i scroll i get a blue tint n checkerboard screen.

  • saintcloud

    Question do people complain that they can’t here you.cause i get that alot.and im on my second sgs2 phone cause the first one i had software issues.got my update over the air on 12/15/11 my internet seem faster.how the service in this phone in chicago i stay by Wrigley field . Or by Irving park and kedzie service sucks.

  • saintcloud

    2.3.6 gingerbread update.its ok.they could do a lot better.again people could barely here me sometimes when im on the phone anybody with the same issues.