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Wow the selection of ROMs for my shiny new SG2 is amazing. I got mine from Expansys and was going to stick with the stock ROM but the constant switching from 3G to H+ was driving me nuts and I would lose data connectivity every few seconds. As a result I decided to give a custom rom a try. Right now I have the Cognition S2 rom installed and will test it out for a few days but I was wondering if some of you have already gone down this path and found a good/stable rom for AT&T. Most important to me is stability, battery life and reliable data/call connectivity.
Turn off fast dormancy *#9900# been with Cog for awhile and loving it.
There is no Best ROM, different stokes for different folks and all. You really should just test around and see what works best for you.
Sent From My SGS Captivate 2.3.5
I guess I shouldn't have said "best" - what I really meant what - looking for some success reports from people running particular roms/modems with AT&T. More often than not reply posts are from users outside of the USA so I was finding it tough to gauge issues here in the states. Of course this is to be expected since none of our carriers are selling the phone yet.
Illicit Hero - thanks I did turn off fast dormancy based on the recommendation in the Cognition instructions.
im with fido, which is rogers which is AT&T and I cant say there are any problems with any of the roms. I am however using Criskelo at the moment without a single problem
ROMs are generally non region specific and the most you may have todo is put in the correct apn settings for Internet and mms, but there is a thread for at&t apn settings so you should be covered there.
As far as modems, just work your way though them till you find one that works well for you, your best bet is starting the with newest and working down till you find a good one.
Sent from my GT-I9100 using XDA Premium App
^ what he said. There is no region specific roms. All roms work fine, just enter the apn if it doesn't register automatically.
I use leomar rom for stock, it has every possible customization and theme available thru rom kitchen app. And then there is cm 7 for pure android fun.
Sent from my HTC Sensation Z710e using XDA Premium App
veyka said:
ROMs are generally non region specific and the most you may have todo is put in the correct apn settings for Internet and mms, but there is a thread for at&t apn settings so you should be covered there.
As far as modems, just work your way though them till you find one that works well for you, your best bet is starting the with newest and working down till you find a good one.
Sent from my GT-I9100 using XDA Premium App
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Click to collapse
Well said! I'm on AT&T and KH3 modem is working very well, then again, I can't remember a modem that wasn't good with the exception of KG1.
jlevy73 said:
Well said! I'm on AT&T and KH3 modem is working very well, then again, I can't remember a modem that wasn't good with the exception of KG1.
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Click to collapse
On 3UK I have found all but KE7 and KH1 have been trash for me
Download speed wouldnt top 100Kbps vs 200Kbps up! and poor signal.
I don't know why everyone is claiming that these 3 radio packages enable 3G on the i717. I've tried all 3 and twice each from different sources. I CWM the ATT radio back on it and it's returned to 2G.
I would've bought the N7000 and not taken the risk on an international sim not liking all the hackdoolery going on in my phone. Now I have that concern PLUS I'm not getting the 3G that was the deciding factor in the N7000/i717 decision.
Any thoughts? Perhaps I am missing a setting or something? All I get with the 3 non ATT radios is a little x in the greyed out signal meter /|
If you followed the directions correctly you should be getting 4G on the 1700 band. It does work because I am currently using it. Maybe your area has bad signal?
hmmm
It probably does work. The signal is 2G 5 bars, this is elevated in Manhattan, there's always good signals from all carriers. The meter reads /x| though. I tried the only available settings after installing each of the radios, GSM or GSM/LTE and perhaps one other.
I lose the IMEI with the non ATT radios. No signal. Nothing. As soon as I flash ATT it goes to 5 bars of wonderfully slow 2G...
I've finally got settings, accounts and apps installed so I might try flashing a radio again but I'm exhausted of much else.
I really don't know what could be wrong. Perhaps its the wicked humidity and the lingering high toxicity thick gaseous farts making the air heavy and my mind less clear. It really screws up my zen.
neko_tensai said:
It probably does work. The signal is 2G 5 bars, this is elevated in Manhattan, there's always good signals from all carriers. The meter reads /x| though. I tried the only available settings after installing each of the radios, GSM or GSM/LTE and perhaps one other.
I lose the IMEI with the non ATT radios. No signal. Nothing. As soon as I flash ATT it goes to 5 bars of wonderfully slow 2G...
I've finally got settings, accounts and apps installed so I might try flashing a radio again but I'm exhausted of much else.
I really don't know what could be wrong. Perhaps its the wicked humidity and the lingering high toxicity thick gaseous farts making the air heavy and my mind less clear. It really screws up my zen.
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Click to collapse
What ROM are you using with the modems? I am on OnlyOne B4 with KID ICS modem from tspx23. I'm getting 3g speeds. It makes a difference what ROM you are on because of the UCLD or UCLE based ROM. There are a lot of different modems for ICS but make sure you got the right one for the right ROM. You should at the very least get above EDGE speeds.
......
Android 4.0.4
kernel version
3.0.8-perf-I717UCLE3-CL577875
cYANOGENmOD
H0TW1R3.R5-9.0.0-rc0-QUINCYATT-unofficial
Build imm761.ucle3
The radios were from xda and another site. its on stock radio now. If you could refer me to the radio I need, I'll give it a try. I'm unsure about doing it before the weekend as this caused 1 day of downtime midweek so.... I need to get busy! I'll give it a whirl this weekend unless I feel brave this evening.
The leaked sll radio or the blaze 4g found in this thread should work...I'm in NY and they work fine, just not 100% stable
http://forum.xda-developers.com/showthread.php?t=1573568
Sent from my SAMSUNG-SGH-I717 using XDA
neko_tensai said:
Android 4.0.4
kernel version
3.0.8-perf-I717UCLE3-CL577875
cYANOGENmOD
H0TW1R3.R5-9.0.0-rc0-QUINCYATT-unofficial
Build imm761.ucle3
The radios were from xda and another site. its on stock radio now. If you could refer me to the radio I need, I'll give it a try. I'm unsure about doing it before the weekend as this caused 1 day of downtime midweek so.... I need to get busy! I'll give it a whirl this weekend unless I feel brave this evening.
Click to expand...
Click to collapse
You are using an UCLE3 ROM but to my knowledge, all the modems that are out are for UCLE2. I know it's troublesome, but I would suggest trying a new ROM based off of UCLE2 or even gingerbread to see if you can get a nice full speed 3g on Tmobile. That way at least you know the hardware and radio is good. I like AOKP, but for now I'm using OnlyOne B4 (B5 should be out tonight with some more Galaxy S3 goodies) See my signature.
This is Jeet92's version for ICS (works with UCLE2)
http://forum.xda-developers.com/showthread.php?t=1573568
This is Tspx23's version for ICS (works with UCLE2)
http://forum.xda-developers.com/showthread.php?t=1679722
......
That works much better than the stock radio.
I feel very stupid for paying $924 for that iPhone 4S 64GB factory unlocked that I had since December. It was cool getting it direct from Foxconn though.
This makes everything ok. Thank you.
deliriousbb said:
You are using an UCLE3 ROM but to my knowledge, all the modems that are out are for UCLE2. I know it's troublesome, but I would suggest trying a new ROM based off of UCLE2 or even gingerbread to see if you can get a nice full speed 3g on Tmobile. That way at least you know the hardware and radio is good. I like AOKP, but for now I'm using OnlyOne B4 (B5 should be out tonight with some more Galaxy S3 goodies) See my signature.
This is Jeet92's version for ICS (works with UCLE2)
http://forum.xda-developers.com/showthread.php?t=1573568
This is Tspx23's version for ICS (works with UCLE2)
http://forum.xda-developers.com/showthread.php?t=1679722
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Click to collapse
There is no UCLE3 as far as I know
.....
It is UCLE3.
Whatever this variant it is, it doesn't have Japanese language support. The SIP support is also gone, I saw another poster mention that too. Its stripped of all the good stuff.
This is certainly not the CM I had on the Evo 4G.... The options on that CM were extensive to say the least. It gave one the best attempt at absolute control of every aspect of the device.
By comparison, the CM9 I have on this Note is only a slight deviation from the stock OS. I'm guessing that all the efforts at custom ROMs are getting rather diverse over the years, or perhaps this one is just not as good as the mainstream ones? I noticed how many models of Android there are as opposed to when it was just the Evo and a couple others, it's definitely had an effect...
Perhaps the best way to describe it is quality verses quantity. The collective "milk" intellect of all the dev's is no longer in the milk jug, it is now spread throughout several hundred coffee cups, very, very diluted.
Please sir, may I have some more? For the Galaxy Note i717???!!!
Hey guys, I live in the suburbs of Buffalo. Notorious for Sprint having the worst service.. Everyone else is on 4G LTE, but we're stuck with BAD 3g, not even good 3g. I use the google voice app for texts/calls, I've been using it for years, and I plan on keeping my google voice # because I absolutely love the service. I have some reception questions however
- does it matter what radio I'm on? Are radio's compatible with other roms, fx: giverbread radio compatible with ICS? i'm on 1.09.00.706
- does PRL matter that much? I'm on 21090
- does it matter what ROM i'm on?
- please any tips/advice anything I can do to get better service
- also if anyone is from Buffalo/WNY and gets good reception, can you tell me your phone stats, prl, radio, rom, etc
I'm getting horrible service on my phone, reception sucks, 3g dl/upload sucks. In school I don't even dream of getting reception in class/library.. I'm just fing sick of this crap reception.
I also wanted to mention, my buddy has a sprint iphone 4s and his reception is WAY better than mine. He has one of the same classes as me, sits right next to me and he's able to go on the internet, etc on his phone just fine while I get 0 reception! Also we go to the same bar a couple times a week where I get absolutely no reception and he always does. I'm pretty sure it's something with my phone. Also I want to mention this is my 3rd evo 3d, all with the same issue, they have all always been rooted etc, so I can confirm my hardware is not faulty, the phone is practically new.
Thank you in advance for reading my thread / helping out
yergo88 said:
Hey guys, I live in the suburbs of Buffalo. Notorious for Sprint having the worst service.. Everyone else is on 4G LTE, but we're stuck with BAD 3g, not even good 3g. I use the google voice app for texts/calls, I've been using it for years, and I plan on keeping my google voice # because I absolutely love the service. I have some reception questions however
- does it matter what radio I'm on? Are radio's compatible with other roms, fx: giverbread radio compatible with ICS? i'm on 1.09.00.706
- does PRL matter that much? I'm on 21090
- does it matter what ROM i'm on?
- please any tips/advice anything I can do to get better service
- also if anyone is from Buffalo/WNY and gets good reception, can you tell me your phone stats, prl, radio, rom, etc
I'm getting horrible service on my phone, reception sucks, 3g dl/upload sucks. In school I don't even dream of getting reception in class/library.. I'm just fing sick of this crap reception.
I also wanted to mention, my buddy has a sprint iphone 4s and his reception is WAY better than mine. He has one of the same classes as me, sits right next to me and he's able to go on the internet, etc on his phone just fine while I get 0 reception! Also we go to the same bar a couple times a week where I get absolutely no reception and he always does. I'm pretty sure it's something with my phone. Also I want to mention this is my 3rd evo 3d, all with the same issue, they have all always been rooted etc, so I can confirm my hardware is not faulty, the phone is practically new.
Thank you in advance for reading my thread / helping out
Click to expand...
Click to collapse
I will be glad to help answer your questions. Since you are on latest radio firmware. GB roms are not compatible with this radio firmware. If you really like GB, you could always flash the older ruu's which will get you back onto GB.
As for prl, its a bit tricky. Prl's give instructions to tell your phone which towers to run off of and all that good stuff. Sometimes doing a prl update and or a data profile update can cure you of slow 3g speeds. (I have slow 3g speeds myself in my own home) but when i walk away from my house, it gets a little better. There are a couple things you can do. Since you have root you could open your dialer (you have to be on a sense rom for this to work) type##3282#. Under edit, type your msl code (if you know it). If not. Real easy. Download msl reader from googleplay and open the app. It will give you your msl code. No sweat right? Anyway once you enter your msl code there will be a list of option. Click on advance and scoll down to the bottom where it says something like htts or http and click on it. Once inside type these numbers in the correct spot and in the following order:
0.0.0.0
0
0.0.0.0
0
I forgot what the headings were called. Sorry. But if you enter these numbers in the correct spots like i showed you it will give you increased data speeds. After you do that just back of out epst and hit reboot to make sure the changes take place.
Now as to which rom you are on. Sometimes that does matter. Some roms have 3g speeds already tweaked like I had shown you. Generally roms that were built from source or specifically built for that phone have better speeds than ones that were ported from another device. (Due to moderator preference I cannot tell you which ones are the best) So you will have to test them out yourself. You could also try the v6 turbocharge script. Heres the link http://forum.xda-developers.com/showthread.php?t=991276.Please read the instructions carefully and get the latest script. I recommend being on a deodexed rom. Make sure you make a nandroid first before attempting this. The script will take you step by step. Also, wipe cache (not dalvik) before you run the script. I forgot to mention, to run this script I recommend smanager from google play. Just remember to enable the app as root and when you get ready to run the script, you have latest busy box and enable su on the script by highlight the skull and crossbone icon. When the script takes you to drive options, there is an option where you can enable 3g tweaks. Turn it on and see if that helps you. (just remember to do a superclean and restart when your done running the script) There was another another script by itself called 3g turbo if you want to give that a shot as well. Its located on the link I provided you. If none of these things work for you, you can always run the scripts again and turn them off plus reboot. If it causes your phone to freeze up or not boot, just restore your nandroid. I hope this helps you out.
awesome response! I will surely to try these options when I get home, I really appreciate it!
No problem.
Hi folks, I've had the AT&T samsung galaxy sII i777 for some time now and i've loved having android capabilities in comparison to the iPhone which i almost went with. I'm having one problem though; I cannot seem to even get a solid connection or establish a call around my part of town, even though other AT&T phones have no problem at all! My sister for example, has a new iphone. And while she gets bad service, she can at least make a call without any problem. For me, it will instantly end my call upon dial, give me a no-service prompt, or will just hang/stall on the dialer app. Very VERY frusterating to say the least.
My theory is that my android keeps trying to search between different networking types to find which type of connection will be ideal (edge, 3g, 4g etc), but won't stay on a service long enough while switching between different types to actually do anything. I've tryed many different modems, but with zero luck. Lately, i've given up on the project and have just been staying on the default one's that comes with the i777 AOKP package updates. And just to be clear, I am running the i777 aokp rom, not the ported i9100 to i777 AOKP rom.
Before i even rooted and flashed the sucker, on the default stock rom, it seemed to run way better than it is right now. I know custom roms are expected to have bugs, but AOKP has been out for some time, and even on the latest builds, i've had lots of apps (mainly the browser) crashing on me constantly. I've been thinking about just completely formatting the SD card, and starting anew with a fresh install of a brand new rom (after doing some thorough homework on it, of course). But that brings up another question, will formatting the SD card, also format Root Access and the installed kernal?
What are the secure steps to Completely clean my SD card, and start from scratch? I definitely don't want to brick my phone.
thank you for any feedback
Your sd card doesn't have anything to do with the functionality of the phone. It will only be a waste of your time, as you will just have to put your media back on it.
Which modem do you have now? Have you tried other ROMs?
Sent from my SGH-I777 using xda premium
Your problems have NOTHING TO DO with AOKP. Someone reading this may get that idea. Whatever apps u have crash or service errors and reception are not the fault of that rom. It's a mix of at&t problems and user error or poorly written apps.
If you had noticeably better service with the stock rom but wanted the additional features the devs here provide, sounds like you'd be better off with a rom built off a samsung source rather than AOSP source. You can try flashing a different modem first (see the thread at the top of the development forum). My phone came with UCKK6, and now i'm running UCLE5 (on AOKP 6/22), which has always seemed to provide slightly better reception and data rates. I'd start there if i were you.
NegativeSpace said:
If you had noticeably better service with the stock rom but wanted the additional features the devs here provide, sounds like you'd be better off with a rom built off a samsung source rather than AOSP source. You can try flashing a different modem first (see the thread at the top of the development forum). My phone came with UCKK6, and now i'm running UCLE5 (on AOKP 6/22), which has always seemed to provide slightly better reception and data rates. I'd start there if i were you.
Click to expand...
Click to collapse
That's interesting...after doing some testing, I discovered its opposite for me, or at least in the south part of my town. The uckk6 works better than the ucle5 by what seems like 20% or so. But on such a small scale with only getting 1 or 2 bars in the first place, its rally hard to tell. Its only a 10kb/sec difference unless I somehow find a strong connection in my house. My neighbors also have a large HAM radio antenna in their backyard and I think it causes minor interference with the cell towers :*(
Okay, so, I've done a fair amount of reading and searching about modems and RILs, including other forums, but I've still yet to find the specific information I'm looking for. (Most of the stuff that I've found relates to the i9100.) So if I missed the relevant post, I apologize, please direct me there.
That said, here's the deal. I've got an i777, which I have unlocked and am currently using on T-Mobile. I've flashed the stable CM 10.1.3 (Android 4.2.2). Its baseband is UCLE5. It's running well. I have few complaints, except for occasional low signal.
I've already seen this thread, with the different modems available: http://forum.xda-developers.com/showthread.php?t=1336958
I lost the link, but I also found a thread, possibly on another forum, where a T-Mobile user reported better performance with baseband UCMD8. I'd like to try it. I think I can manage flashing it on my own via CWM.
However, I've read in a bunch of places that it's also important to have a RIL matching the baseband version. I found a thread that gives a terminal emulator command to find your current RIL version (getprop "gsm.version.ril-impl"), and mine is "Samsung RIL(IPC) v2.0", which is apparently from Gingerbread.
So, my question is this: Should I also change my RIL? If so, 1) where would I get the appropriate RIL for the i777 with CM10.1.3, and 2) how would I install it, preferably without performing another wipe, reset and ROM installation?
Thanks in advance for your help!
NightSteel said:
So, my question is this: Should I also change my RIL? If so, 1) where would I get the appropriate RIL for the i777 with CM10.1.3, and 2) how would I install it, preferably without performing another wipe, reset and ROM installation?
Click to expand...
Click to collapse
You have nothing to worry about - just flash the i777 modem you want via recovery; you don't have to wipe anything, it will work fine. I wouldn't worry too much about RIL; over the two years of changing modems back and forth I've never encountered any problems regarding RIL (except for some wakelocks, but that's more to do with bad/weak signal than anything else).
To be clear, I'd still be happy for input from anyone regarding the i777's RIL, but I did go ahead and flash UCMD8. I've already noticed something new; my phone now seems to drop from H+ to 3G fairly aggressively when I'm not actually using it, then go back to H+ when I do, where since flashing CM10.1.3, it previously connected only at H+ or E. I imagine this is a battery saving measure. I'll have to see how it behaves for a few days.
Thanks for your response SteveMurphy. By the way, what baseband/RIL version do you use, if I may ask?
NightSteel said:
To be clear, I'd still be happy for input from anyone regarding the i777's RIL, but I did go ahead and flash UCMD8. I've already noticed something new; my phone now seems to drop from H+ to 3G fairly aggressively when I'm not actually using it, then go back to H+ when I do, where since flashing CM10.1.3, it previously connected only at H+ or E. I imagine this is a battery saving measure. I'll have to see how it behaves for a few days.
Thanks for your response SteveMurphy. By the way, what baseband/RIL version do you use, if I may ask?
Click to expand...
Click to collapse
I'm on UCMD8,
The reason you're seeing 3G more often is because with the newer roms you have the ability to better control your network modes. For instance, if you want to use Edge you can manually switch to 2G mode. It's possible the older firmwares (GB, ICS...) had this option but I really can't remember.
Galaxy S Backdoor
So it seems my question about RILs was unintentionally timely, as Samsung's RIL for Galaxy S devices contains a backdoor that's been verified with proof of concept.
https://www.fsf.org/blogs/community/replicant-developers-find-and-close-samsung-galaxy-backdoor
http://redmine.replicant.us/projects/replicant/wiki/SamsungGalaxyBackdoor
I'm not sure which version of Samsung's RIL they tested, or whether they tested the I777, but it seems most Galaxy phones are affected.
Hope someone gets to work on this soon.
NightSteel said:
So it seems my question about RILs was unintentionally timely[...]
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Click to collapse
Suspiciously timely, yes.
here's another take on the back-door claim:
http://arstechnica.com/security/201...-of-remote-backdoor-in-samsung-galaxy-phones/
-Cyril
edit: and this: http://www.xda-developers.com/andro...mctr=(not provided)&__utmv=-&__utmk=122317964