Problem after upgrading - Galaxy S II Q&A, Help & Troubleshooting

After I updated my phone I noticed that my internet speed reduced from 2mbps to 60kbps please help me
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If you have a I9100 or I9100T (check the sticker under the battery), you can try flashing some of the modems in this thread until you find one that works well for you.
Or you could go back to whatever stock firmware you were running before you "upgraded". I presume you made a note of the details of the firmware you had on your phone previously ?

sm_abu said:
After I updated my phone I noticed that my internet speed reduced from 2mbps to 60kbps please help me
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Click to collapse
Upgrade from what to what might give a clue .
jje

this phone is bought from Singapore and I'm using it in India. Previous Verizon i 3.3
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Related

[Q] Really slooooow internet

Hi I'm on orange in the UK and I'm having major problems with the sg2 and internet.. my wifi works fine.. but 3g n Co is proper slow almost not working at all.. my misses has a galaxy ace on orange and her internet is fine when mine isn't working...
I'm using the latest miui
Was winding if there's any fixes or a modem I need as its pissing me off I want to get rid of this phone.. I read something awhile ago about a dial code and disabling h+ but I don't think u can do that on miui....
Any info would be great as I reallly want to fix this
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Bump some must know Simon on how to make browsing faster
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mxn- said:
Bump some must know Simon on how to make browsing faster
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Click to expand...
Click to collapse
First of all: who's Simon?
It could be something to do with when you flashed miui. Have you tried flashing back to the original rom? Was 3G working before you rooted?
Was ment to say someone..
I'm gunna try stock once u get on a computer it says 3g nearly all the time but nothing loads and when it does its after a few mins
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What's the best modenlm?
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mxn- said:
What's the best modenlm?
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Click to collapse
I don't know but I'd guess the latest one in the dev forum. To be honest I'd flash everything back to normal, if it's still going slow then it could be something up with your phone. Then you can get a replacement.
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No network (internet connection) while using newest version of ICS

I updated my phone to the latest version of ICS yesterday, and today has been my first day of using it.
Everything's been great apart from the fact I can't use the internet when I'm not connected to wifi.
Any fixes for this please?
Thanks in advance and sorry of this has already been asked. I'm a noob.
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Hi, have been using an earlier ics release? When I installed XXLPB, I had to enter the APN settings manually. Just search for '[your network operator] APN settings' in Google and you should be able to find them.
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Thanks!
Was given them last night and it now works fine
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New_World_Order said:
Thanks!
Was given them last night and it now works fine
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Click to collapse
Or use "HiApn" From Android Market
Or just flash the correct CSC on the beta ICS once installed .
jje
New_World_Order said:
Thanks!
Was given them last night and it now works fine
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Click to collapse
Hey, glad to hear it's all working for you now. Cheers.
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Never heard of this, I'll take a look! Thanks!
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u will have to add ur apn settings urself
u can install the rom again but with full wipe .. then it will be fix ..

korean to international

Hello there i was wondering is there any chance of changing the s3 korean firmware to european .
Next week i'm getting a korean s3 but i really want to change the firmware
Now I have a s2 that was 250s and then i changed it to i9100
Well i googled and searched in xda forums but i didn't found anything about it
Is it possible to change the firmware with flashing the korean kernel for it . Or the radio chip stuff is like mars and venus
No, because your phone doesn't have the same hardware with International one.
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UrbanDrawer said:
Yeah, just download an europian firmware from http://www.samfirmware.com by searching "I9300" and flash it with Odin. You need to sign up to download the firmware.
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Click to collapse
no pit file needed ?? working fine?
Sorry, messed up, if your model number isn't I9300 it will potentially brick it.
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UrbanDrawer said:
Sorry, messed up, if your model number isn't I9300 it will potentially brick it.
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Heh too bad . Hope died
UrbanDrawer said:
Sorry, messed up, if your model number isn't I9300 it will potentially brick it.
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Click to collapse
One more question it will be EMMC bug or just firmware bug?
M440S can ron i9300 roms and kernels.
Adding to above, M440S can flash I9300 Roms provided you convert the kernel. There is a Korean s3 user thread so look over the re
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xcly said:
Adding to above, M440S can flash I9300 Roms provided you convert the kernel. There is a Korean s3 user thread so look over the re
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Click to collapse
any links?? searched 20-30 minutes in xda
General. Korean thread. Read. I can't believe you searched 30mins and not found it..
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xcly said:
General. Korean thread. Read. I can't believe you searched 30mins and not found it..
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Click to collapse
well the forum is big lol . thanks
That is not an excuse. That thread is big enough to be seen even within a "big" forum..
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True . Still I bought gt-i9300 lol so that is not a problem anymore . I have a question again . What is the advantages of having branded s3 between unbranded s3
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Not much? If you're rooted anyway. Not gonna get updates early if you're branded. But custom roms sort that out.
No noticeable difference when it comes to actual usage
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xcly said:
Not much? If you're rooted anyway. Not gonna get updates early if you're branded. But custom roms sort that out.
No noticeable difference when it comes to actual usage
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Click to collapse
Again a personal question . I used CF-root for stock kernel on my gt-i9100 because syiah , philz seems to lag . Did on my i9300 too . I understand that they have more battery life , but overclocking them leads to fast battery drain , is that right? So i prefer staying stock. Well i don't play with my phone , i play with my gtab 7500 more
If you don't need the extra performance, no need to overclock. I did it for the heck of it then realised I don't actually need it so went back to stock. Overclocking does lead to faster drain but some kernels also provide under volt support so they kind of negate each other in terms of battery.
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So undervolting could save battery in theory? I heard it destroys the battery even the phone in whole .
Heard too much stories of dead phone because of undervolting and overclocking. Because of idiots putting overclocking and undervolting on maximum. But they just dont know what are they doing.
Thanks a lot . Sorry for so much bothering
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Question again . If i undervolt my device should i do battery calibiration or just leave it?
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enkhtwshn said:
Question again . If i undervolt my device should i do battery calibiration or just leave it?
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Battery calibration is a hoax .
Battery calibrates itself over a week or so .
jje
JJEgan said:
Battery calibration is a hoax .
Battery calibrates itself over a week or so .
jje
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Click to collapse
no need to calibirate then thanks ! In mongolian phone shops we have a chinese battery with more mhA(like+300) and i have tested so far . The charging goes approximatly 6 hours when the original takes 4 can it damage phone particles . I have to assure undervolting goes without problem . From what volt should i start . I m asking because i work in mining geological team and the reason i bought this phone is the gps glonass
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I9300 freezes + blue led flashing

Hi
I'm having a problem with my S3. Sometimes my phone won't wakeup after night. The blue led is on and i must reinsert battery to turn on the phone. My soft is XELLA so i was thinking that's problem with sudden death won't bother me but that's not right?
Is my phone slowly dying?
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Try factory reset, if the phone boots normally after a battery pull then it isn't terminal yet.
Odp: I9300 freezes + blue led flashing
OK, i will try this. I hope that's will help.
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Still the same. Phone was send to repair and returned with new firmware
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Please can you tell me which firmware?
i am having the same issue with xella, i want to install another rom
It's I9300XXELLA with 4.1.2 android, without root or anything custom.
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Same thing happens to my phone on same XELLA 4.1.2 firmware , should be back after 20 minutes , and use the DFG method to stop the freezing , I fixed mine that way
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KayKrate said:
Same thing happens to my phone on same XELLA 4.1.2 firmware , should be back after 20 minutes , and use the DFG method to stop the freezing , I fixed mine that way
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Click to collapse
DFG method helped me only for 3-4 days, then problem returned.
I will try again, mabe it helps for longer time.
Is there no newer "firmware" for your country? Latest firmwares that most other people have is pretty much freeze free. Since MB3 in February
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This is the latest firmware.
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rootSU said:
Is there no newer "firmware" for your country? Latest firmwares that most other people have is pretty much freeze free. Since MB3 in February
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Can u give me a freeze free version for my cf auto rooted device 4.1.2 XELLA?
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pawel.bohdal said:
This is the latest firmware.
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What country /carrier?
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---------- Post added at 08:12 AM ---------- Previous post was at 08:11 AM ----------
KayKrate said:
Can u give me a freeze free version for my cf auto rooted device 4.1.2 XELLA?
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I don't quite know what you're asking?
If you're rooted, flashing a custom kernel like perseus or siyah should be all you require
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rootSU said:
What country /carrier?
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---------- Post added at 08:12 AM ---------- Previous post was at 08:11 AM ----------
I don't quite know what you're asking?
If you're rooted, flashing a custom kernel like perseus or siyah should be all you require
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Click to expand...
Click to collapse
Well , my device has been freezing alot yesterday like 3 times and I want a freeze free firmware , The MB3 version is a leak 4.2.1 for i9300 , is it recommended to use it as my main firmware ? And perseus kernel is freeze free ?
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The fix is in the kernel so if you use perseus, you don't need to change the android build
I meant from MB1 sorry not 3.
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rootSU said:
What country /carrier?
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Click to collapse
Poland. Without branding.
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pawel.bohdal said:
Poland. Without branding.
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MD2 has just recently come out for poland
http://www.sammobile.com/firmwares/1/?model=GT-I9300&pcode=XEO#firmware
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Ok. I will try install it.
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rootSU said:
The fix is in the kernel so if you use perseus, you don't need to change the android build
I meant from MB1 sorry not 3.
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I want a stock kernel , can I use a firmware from sammobile and flash it with stock recovery? And which country firmware to flash?
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I had this issue as well on rooted stock 4.1.2 ROM, I installed Android Revolution HD of same Android build (newer firmware), and never had it again. Tried also few other ROMs as well (official MIUI and ParanoidAndroid), also didn't experience this kind of freezing. Must be Firmware related, because I'm pretty sure that I was experiencing probs on XELLA firmware as well.
KayKrate said:
I want a stock kernel , can I use a firmware from sammobile and flash it with stock recovery? And which country firmware to flash?
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Why would you want the inefficient stock kernel if you're rooted?
You can flash official roms via odin
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Internet on wifi is slow

I recently upgraded to 4.3 and now my internet over wifi is really slow, especially when watching videos on YouTube or any streaming video. Speedtest comes out with 9 - 10mbps. I never use to have this problem before when I was running 4.1. However 3g is fast and 4g is ok. I have tried connecting to other wifis and still the same problem. Can somebody help me pliz.
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kaivitipower said:
I recently upgraded to 4.3 and now my internet over wifi is really slow, especially when watching videos on YouTube or any streaming video. Speedtest comes out with 9 - 10mbps. I never use to have this problem before when I was running 4.1. However 3g is fast and 4g is ok. I have tried connecting to other wifis and still the same problem. Can somebody help me pliz.
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Click to collapse
Wats ur modem?
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Give a thank if I helped you
Im using NetComm wireless... I even tried with a TP-Link modem and its still the same.
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kaivitipower said:
Im using NetComm wireless... I even tried with a TP-Link modem and its still the same.
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Click to expand...
Click to collapse
I mean ur baseband version. U can find it at about phone.
There it is
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kaivitipower said:
There it is
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Flash a newer modem.
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JellyYogurt said:
Flash a newer modem.
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please JellyYogurt can you help me with a link to a new modem?
i m using I9300 with 4.3 and baseband is I9300XXUGMK6
wifi can connect but its very slow, mobile network is ok
fabu1234 said:
please JellyYogurt can you help me with a link to a new modem?
i m using I9300 with 4.3 and baseband is I9300XXUGMK6
wifi can connect but its very slow, mobile network is ok
Click to expand...
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Well I am using mk6 too but seem no lag. Guess different location different modems.
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Give a thank if I helped you
---------- Post added at 06:05 PM ---------- Previous post was at 05:59 PM ----------
Oh. U have to flash a new rom to get new modems. Try flashing custom roms tat have different modems. Or download stock rom from sammobile and see the modem the rom is on.
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Give a thank if I helped you
I got this now but wifi tends to slow down after a while. It goes fast after factory reset. But then i have to keep downloading apps! >:{
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