Since some users are reporting about reduced wifi reception after updating to GB roms, I decided to extract wifi related files from a Froyo rom and GB rom and see what differences are there.
There are a number of wifi related files live under /system/etc/wifi and I have extracted them from a Froyo Rom (zske2) and GB Rom (xxkpf) and put them in this zip file don't flash this!
If you unzip it, you will find 2 sets of wifi settings and firmware. What I notice is that the binary firmwares are definitely different and there are various changes in the settings as well.
The first thing that caught my eye is the pa0maxpwr parameter in nvram_mfg.txt . From the name, it seems to mean maximum power. You can see that the value was 78 in Froyo. In GB, the engineers were trying values 74, commented it out and then settled for 72.
I tried setting it back to 78, seems to get a bit better (around 10db increase) if I connect from another room.
For those who are interested in this, please report back whether certain changes in these setting files will give you better result. Not necessary the one I mentioned. However, please use some objective measure e.g. Wifi Analyzer on the Market.
To edit these files, you can copy them out using root file explorer, edit them and put it back. I think you need a reboot to activate the change.
Be nice to compare compass/orientation files to see why GB compass doesn't seem to work at all... Maybe the wifi signal is interfering, and they didn't turn it down low enough
Great you starting to make some progress. How is the signal compare to your laptop at same position with this little tweak? Looking forward to your further explore!
Sent from my YP-G70 using xda premium
Hmm, tried editing on a U.S version YP-G1, makes no noticeable difference in connection strength (using wifi analyser). I'm about 35 ft away from the router.
I just tried this on my yp-g70 International version. It seems to have actually lowered my reception a few db. I set it back to 72 and rebooted and it brought it up a couple db. I'm connecting to wifi about a block away so that may have something to do with the few db change. I don't think it really made a difference though.
My experience is similar to previous 2 posts. Playing with the maxpwr setting doesn't seem to improve much.
In fact, I even apply the entire set of Froyo firmware and settings to a GB rom. It doesn't seem to get any better.
I think to actually track down wifi reception problem. We need more information from those who experience the problem. e.g. ROM version and objective testing of the different ROM version at the same spot. May be even router brand & version as well.
WT Ho said:
My experience is similar to previous 2 posts. Playing with the maxpwr setting doesn't seem to improve much.
In fact, I even apply the entire set of Froyo firmware and settings to a GB rom. It doesn't seem to get any better.
I think to actually track down wifi reception problem. We need more information from those who experience the problem. e.g. ROM version and objective testing of the different ROM version at the same spot. May be even router brand & version as well.
Click to expand...
Click to collapse
I am using XEKP2 stock rom (Russian one) and Dlink G604T router with latest NZ fw. Some people on forum using XXKPH also suffered a bit. This seems to be a general problem for GB (independent of version). If some people got connection/disconnection from router, then it could be router dependent. Anybody can easily experience it simply revert to Froyo stock. I would say you may get 10~20db signal increase (though wifi reception in GB may still be in acceptable range). Hope to get more people report their wifi reception on comparison of GB and Froyo under same condition.
Sent from my YP-G70 using xda premium
Some positive result from anil_kilic
This is some test results sent to me by anil_kilic. It is interesting that at pa0maxpwr=72, his connection is very bad and a boost in pa0maxpwr to 78 gives him a 8-10db gain in signal strength.
It is only one data point but it might mean that this kind of tweak will benefit very bad connection but not on moderate or good connections. Hopefully, we will see some more test cases.
anil_kilic said:
Before (pa0maxpwr=72) :
*Not static signal
*Disconnect / cant get signal.
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"lightbox_next": "Next",
"lightbox_previous": "Previous",
"lightbox_error": "The requested content cannot be loaded. Please try again later.",
"lightbox_start_slideshow": "Start slideshow",
"lightbox_stop_slideshow": "Stop slideshow",
"lightbox_full_screen": "Full screen",
"lightbox_thumbnails": "Thumbnails",
"lightbox_download": "Download",
"lightbox_share": "Share",
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"lightbox_new_window": "New window",
"lightbox_toggle_sidebar": "Toggle sidebar"
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After (pa0maxpwr=78) :
*Static signal
*I got 8-10 db
Click to expand...
Click to collapse
WT Ho said:
Since some users are reporting about reduced wifi reception after updating to GB roms, I decided to extract wifi related files from a Froyo rom and GB rom and see what differences are there.
There are a number of wifi related files live under /system/etc/wifi and I have extracted them from a Froyo Rom (zske2) and GB Rom (xxkpf) and put them in this zip file don't flash this!
If you unzip it, you will find 2 sets of wifi settings and firmware. What I notice is that the binary firmwares are definitely different and there are various changes in the settings as well.
The first thing that caught my eye is the pa0maxpwr parameter in nvram_mfg.txt . From the name, it seems to mean maximum power. You can see that the value was 78 in Froyo. In GB, the engineers were trying values 74, commented it out and then settled for 72.
I tried setting it back to 78, seems to get a bit better (around 10db increase) if I connect from another room.
For those who are interested in this, please report back whether certain changes in these setting files will give you better result. Not necessary the one I mentioned. However, please use some objective measure e.g. Wifi Analyzer on the Market.
To edit these files, you can copy them out using root file explorer, edit them and put it back. I think you need a reboot to activate the change.
Click to expand...
Click to collapse
I`ve did exactly what you said on a SGS+ (GT-i9001) and raise that value from 72 to 78 and then extreme a bit till 90 I will post screenshots in a few mins ... no changes tho ...
Edit: well it seems I saved my screenshots as csv instead of pictures but anyway I gained not so much dB signal but more stability and ability to use wifi even on poor signal and that really help.
KPL new FW
very interesting.
SG have issued a KPL firmware with WIFI "improvments" they say.
ThisFW is for korean YP-GB70 ONLY but the wifi setting can be investigated as well.
Just my say, it is working well on my device and for me better than KPF was, so can be subjective.
Link:
http://ts.daumcdn.net/custom/blog/8...me.html?http://supportgp.tistory.com/notice/2
Thanks our Korean friends
lolo9393 said:
very interesting.
SG have issued a KPL firmware with WIFI "improvments" they say.
ThisFW is for korean YP-GB70 ONLY but the wifi setting can be investigated as well.
Just my say, it is working well on my device and for me better than KPF was, so can be subjective.
Link:
http://ts.daumcdn.net/custom/blog/8...me.html?http://supportgp.tistory.com/notice/2
Thanks our Korean friends
Click to expand...
Click to collapse
Last value pack it has improvements and very good tbh but...the main GB problem isn't the driver itself it's the loading of it. I could manage to make it work by reloading sometimes but that's frustrating to reload wifi module 4-5 times/day....
mobile sent
Related
Thought I'd share my tests for bandwidth, bluetooth and GPS using them with various test scenarios and comparisons.
Background info: I bought the Prime last week at Best Buy. I pretty much pulled it out of the box and ran all the OTA updates, so I have ICS and it's got the latest updates. Not rooted.
Serial: BCOKAS11**** (Gray, 32 GB)
Network: Ran the test at my house. I'm probably hitting my upload bandwidth on all the tests, so it may not be the best test for upload bandwidth. My average bandwidth on a computer is about 11.8 mbps down, 1.7 mbps up. I only run G Wifi at my house. I have an older N router, but it slows down my network overall... so I have it disabled.
The Speed test image below are the following scenarios (pictured from top to bottom):
- Wifi, GPS, bluetooth earpiece paired using Google Music
- Wifi, bluetooth earpiece paired using Google Music
- Wifi, GPS, bluetooth on
- Wifi and GPS
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"lightbox_new_window": "New window",
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As you can see, BT streaming kills about half of the bandwidth from wifi. This isn't great, but I can live with that.
Next test are for GPS. Sorry the pics are so big, I'll try to fix that later. These were done outside my house in a Michigan suburb with GPS Test and are picture in the following order (you can tell by the icons in the dock):
- All Radios on, connected to my Wifi network, Bluetooth using Google Music
- Wifi on connected to network and GPS on
- GPS only on
It took less than a minute to start picking up satellites, but no where near as fast as my phone. I am not too familiar with these read-outs.
I'm clearly picking up some GPS satellites outside. I seemed to be able to get some signal in my house.
Overall, I pretty happy with the tablet. It does have a few bugs that could be related to ICS like the slow browser issue and some FCs. I don't have any light bleeding, but my eye aren't that great either. I was really worried about this thing after everything I've read on here, but I think I must have got the keeper model.
I'm new to xda, so throw me a 'thanks' if this helps you! Thanks!
Links to your pictures dont work, guessing they are not in the public section of dropbox
Argh... standby. Guess that's why I'm still a 'Junior Member'.
dabbill said:
Links to your pictures dont work, guessing they are not in the public section of dropbox
Click to expand...
Click to collapse
Can you see them now? It blew up the ones of the GPS screens after I did that. They weren't that big originally. Thanks for pointing it out.
I have the same tablet 32gb grey and mine is also BCOKAS11XXXX like yours.
Mine is perfect except wifi the wifi/bt issue.
So this batch is good , and mine confirms that the wifi/bt problem is hw related.
I'm afraid no firmware update will solve that, but I still hope.
bimbobo said:
I'm afraid no firmware update will solve that, but I still hope.
Click to expand...
Click to collapse
I heard that the same problem exists on cell phones, but I've never tried that for comparison.
Very weak signal compared to other devices, and this has come up a million times, yes it works. Yes it has a very weak signal.
JoeyLe said:
Very weak signal compared to other devices, and this has come up a million times, yes it works. Yes it has a very weak signal.
Click to expand...
Click to collapse
Well, there are a lot of posts where people say they can't get a signal at all. So, I was just sharing my results with the serial numer I have since that seems to be trending info on the forum.
teknomar7 said:
Well, there are a lot of posts where people say they can't get a signal at all. So, I was just sharing my results with the serial numer I have since that seems to be trending info on the forum.
Click to expand...
Click to collapse
Well yes, I agree it is working and usable for lets say photo tagging (in open air) or something but for example driving it most of the time will not work. But still it looks like you're lucky with your unit!
BTW: This is from the Galaxy S II
Can you tell me what the giant '0' is for on the GPS Test app? One test I ran had a '2'.
But yes, you definitely have more strength. I'm not implying its an amazing GPS device... but it's functional. It got my position to around 50 ft from every test according to the app.
Can we do some runs with WiFi please on a new C1 prime? I'd like to see a 250MB file transfer on a 2.5GHz N router connected to a ethernet wired PC and the transfer speeds associated with that transfer from various distanced.
I think what is happening is that people are reporting good Wifi using Speedtest because their DSL/Cable only goes as high as ~15mbps
For example, when I had both of my primes, my wifi was AWESOME with regards to Speedtests because my DSL line with verizon was only 7.1mbps down/768kbps up.
I never checked the LAN speed which would have accurately tested the maximum capability of my route/prime.
Who can help?
Pubnum said:
I think what is happening is that people are reporting good Wifi using Speedtest because their DSL/Cable only goes as high as ~15mbps
Click to expand...
Click to collapse
Well, I only pay for 12 Mbps down at my house. And that's still faster than any free wifi I would be connecting to anywhere (or my phone). I could test at a friend's apartment... I think he gets around 35 down and 6 up on an N router. He has the fastest internet out of the people I know. Providers are kinda limited / expensive in Michigan because they are different in each city.
If I stop at his apartment this weekend, I'll take my Prime.
teknomar7 said:
Can you tell me what the giant '0' is for on the GPS Test app? One test I ran had a '2'.
But yes, you definitely have more strength. I'm not implying its an amazing GPS device... but it's functional. It got my position to around 50 ft from every test according to the app.
Click to expand...
Click to collapse
Not my picture by the way, I'm not sure what that means, maybe someone else?
JoeyLe said:
Not my picture by the way, I'm not sure what that means, maybe someone else?
Click to expand...
Click to collapse
Ah. I thought you just ran that test and posted the pic from the S2.
teknomar7 said:
Ah. I thought you just ran that test and posted the pic from the S2.
Click to expand...
Click to collapse
Nope, I found it online. I can however see what my HTC Sensation does, that one also has a partly aluminium back cover.
JoeyLe said:
Nope, I found it online. I can however see what my HTC Sensation does, that one also has a partly aluminium back cover.
Click to expand...
Click to collapse
Ha. I have the same phone. I will probably test it out later today out of curiosity... better comparison to test in the same location I did the Prime.
P.S. I'm rooted using the DarkForest ICS Sensation ROM... Version 5.1 flys and the hotspot functionality works.
*edit... with O/C kernel too.
teknomar7 said:
Can you tell me what the giant '0' is for on the GPS Test app? One test I ran had a '2'.
Click to expand...
Click to collapse
Ended up figuring this out. It's the MPH. Changes if you move around.
I downloaded this free app and shockingly enough, I actually went from a 3mbps download average to a 6mbps average. I don't know how it works, but it simply just does. No this isn't spam.
Here are some tests that I did tonight with it.
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"lightbox_stop_slideshow": "Stop slideshow",
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"lightbox_download": "Download",
"lightbox_share": "Share",
"lightbox_zoom": "Zoom",
"lightbox_new_window": "New window",
"lightbox_toggle_sidebar": "Toggle sidebar"
}
Test it out for your self. Let us know your results.
I can honestly say that it does hurt your battery life...
I also noticed that this seems to work better when you have fast dormancy off. To disable fast dormancy...dial *#9900* and click on disable fast dormancy.
wow I can't believe this app really works!
Sent from my GT-I9100 using Tapatalk
whats the name of the app?
brentett said:
whats the name of the app?
Click to expand...
Click to collapse
Sorry...it's the title of the thread.
Mine was actually a little bit slower after applying the tweak. went from 4200kbps to 4000kbps, but the ping time went from 220ms to 170ms.
only one test on my phone though, so can't come to any significant conclusions
I tried it at a friend's house and my speeds went from 1.27Mbps immediately down to 0.21Mbps and 0.81Mbps. I tried a few different settings, none got it back to 1.3Mbps, so I uninstalled the tweak and the app.
Just tried it at home right now and scored a 5.2Mbps down, 1.80 up which is just about the fastest speed I've ever had at my house. Usually I'm around 2-3Mbps, but never higher than 5Mbps. Just looked my result history and 4.8Mbps was my fastest here in town.
Ran the test again 5 minutes later and puled in a 5.6Mbps down, 2.35Mbps up! I have never seen speeds that high in both categories.
I'm going to try testing a few things tomorrow, but these are promising initial results.
sdmark said:
Mine was actually a little bit slower after applying the tweak. went from 4200kbps to 4000kbps, but the ping time went from 220ms to 170ms.
only one test on my phone though, so can't come to any significant conclusions
Click to expand...
Click to collapse
Interesting....did you turn it on to the fastest mode? Interesting result to say the least. It really has just about doubled my download speed.
Thread moved to Themes and Apps...
Just ran another test using root metrics and scored 7Mbps down. These numbers are ridiculous. Looking forward to more testing tomorrow.
I'm curious if these are build.prop tweaks. There is one way to find out... TO THE CLOUD. I mean time to backup my build.prop and do some comparisons. I am also wondering if this will break my v6.
The faster the speed, the moar battery drain.
Download tweak threw this into my build.prop:
Normal:
HTML:
ro.ril.hsxpa=1
ro.ril.gprsclass=10
ro.ril.hep=1
ro.ril.enable.dtm=1
ro.ril.hsdpa.category=10
ro.ril.hsupa.category=6
ro.ril.enable.a53=1
ro.ril.enable.3g.prefix=1
The rest of the tweaks just change 3 of them.
ro.ril.hsxpa=
ro.ril.hsdpa.category=
ro.ril.hsupa.category=
Upload just changes ro.ril.hsxpa=
Anyone else giving this a go? I'm still having great results.
Good catch cwc3. I'm checking mine and all the build.prob tweaks were gone when my speeds were really high, so I think it was a placebo effect for the most part.
Being the tinkerer that I am, I tried the tweak again last night and it dropped back down to under 2Mbps download. Still faster than before running the tweaks though.
This morning, I reinstalled and retried the "FAST" tweak. It went up around 3Mbps.
I uninstalled the tweaks and it's back around 2Mbps.
I'm going to stay without the app tweaks for now. I am just going to experiment with modifying build.prob and saving the changes.
dmm5157 said:
Good catch cwc3. I'm checking mine and all the build.prob tweaks were gone when my speeds were really high, so I think it was a placebo effect for the most part.
Being the tinkerer that I am, I tried the tweak again last night and it dropped back down to under 2Mbps download. Still faster than before running the tweaks though.
This morning, I reinstalled and retried the "FAST" tweak. It went up around 3Mbps.
I uninstalled the tweaks and it's back around 2Mbps.
I'm going to stay without the app tweaks for now. I am just going to experiment with modifying build.prob and saving the changes.
Click to expand...
Click to collapse
I really wish that I knew what you are talking about. Are the changes that it makes a bad thing? I really don't think that it's a placebo effect. It really is much faster. I guess I need an explanation for me to understand.
The reason I say placebo effect is because in my case I uninstalled the tweaks (removed the added lines from my build.prop file), restarted the phone, uninstalled the app, and then ran the speed test when I got my extremely fast speed test results.
That is, of course, unless the app is modifying something else.
I'm going to do some more digging when I finish helping my friend move into her new apartment.
Tries this myself and overall my speed performance went up. Not double like some but almost a full 1 mbps. From about 1.5 to 2.5. On a hell raised Rom though. Some of you guys getting like 5 what Rom are you using? People doing this test maybe put what Rom your using along with the speed increase numbers.
Sent from my GT-I9100 using XDA App
ROM : ICScrewed 2.0.1
Modem is : UCKH7 Modem
Fast Dormancy is disabled
Average Download Speed is now ranging from 3.5mbps Minimum to 6.5mbps Max which is much higher than normal.
I will test this later with different Modems too....
I have a highly tweaked build.prop file, so the app thought that tweaks were already applied. The fast profile only changed 2 values in the file to values I had previously tested and had no luck with.
When I initially did a speed test, my upload went up from 0.9 to 1.6, and my download from 0.5 to 3 (I live in an area with hardly any cell towers nearby...it's like they're banned in the neighborhood).
I then uninstalled the app without removing the tweaks or rebooting, and my speed dropped. I wonder what else the app does, and if it's manipulating anything while being installed. I mean, if this app only modifies the build.prop file, theoretically it should no longer be needed once tweaks are applied.
I think maybe the tweaks caught the at&t network off-guard which gives the initial speed boost, but then the network eventually catches on and puts us back in our place. Actually, some threads even suggest that having the setting too high might eventually cause the network too slow your down below factory speeds. Hmmm
SoCaliTrojan said:
I have a highly tweaked build.prop file, so the app thought that tweaks were already applied. The fast profile only changed 2 values in the file to values I had previously tested and had no luck with.
When I initially did a speed test, my upload went up from 0.9 to 1.6, and my download from 0.5 to 3 (I live in an area with hardly any cell towers nearby...it's like they're banned in the neighborhood).
I then uninstalled the app without removing the tweaks or rebooting, and my speed dropped. I wonder what else the app does, and if it's manipulating anything while being installed. I mean, if this app only modifies the build.prop file, theoretically it should no longer be needed once tweaks are applied.
I think maybe the tweaks caught the at&t network off-guard which gives the initial speed boost, but then the network eventually catches on and puts us back in our place. Actually, some threads even suggest that having the setting too high might eventually cause the network too slow your down below factory speeds. Hmmm
Click to expand...
Click to collapse
Did your signal level seem to go up as well with the Mod/app? Mine did. Needless to say, I'm a bit confused.
Iskor12 said:
ROM : ICScrewed 2.0.1
Modem is : UCKH7 Modem
Fast Dormancy is disabled
Average Download Speed is now ranging from 3.5mbps Minimum to 6.5mbps Max which is much higher than normal.
I will test this later with different Modems too....
Click to expand...
Click to collapse
I used to get around 5 to 6. Forgot to mention Im in hell raised hyperdroid. Kk6 modem with latest siyah. Now Im lucky to get 2. With this app Im getting more consistent 2.3 to 2.8. Upload went down just slightly but that's fine cause id rather have faster download. Im in a decent size city too.
Sent from my GT-I9100 using XDA App
Interesting app.. Inside home I barerly get 300kbps. With 1 signal bar, and with this app is at 2 bars, sometimes 3 and speed is around 1700kbps.
I know some Verizon phones have this, but does anyone know how to disable LTE and force hspa on our note? Just would be a serious boost for battery life when LTE isn't needed.
Sent from my SAMSUNG-SGH-I717 using XDA
Saurom ROM has that capability. You'll need to root and flash a ROM to get this afaik. I'm on Saurom 7.0 and it's functional.
Sent from my SAMSUNG-SGH-I717 using XDA
Thanks for the reply. Was hoping i didnt need to root/flash atm. Do you notice battery life improvements with this mod?
Sent from my SAMSUNG-SGH-I717 using XDA
erick161 said:
Thanks for the reply. Was hoping i didnt need to root/flash atm. Do you notice battery life improvements with this mod?
Sent from my SAMSUNG-SGH-I717 using XDA
Click to expand...
Click to collapse
Personally, I don't ever turn off LTE considering that the way it's supposed to work is that while in a non LTE market, it defaults to HSPA+ anyway. And I've read that the lack of LTE doesn't interfere with battery life. Maybe I'll try for a day and see.
Sent from my SAMSUNG-SGH-I717 using XDA
dakleenupman said:
Personally, I don't ever turn off LTE considering that the way it's supposed to work is that while in a non LTE market, it defaults to HSPA+ anyway. And I've read that the lack of LTE doesn't interfere with battery life. Maybe I'll try for a day and see.
Sent from my SAMSUNG-SGH-I717 using XDA
Click to expand...
Click to collapse
Yeah mine does drop to hspa inside some buildings but LTE blankets my entire county and surrounding ones. Basically I was just curious if forcing it to use hspa would conserve battery (in theory, it should). I'm surprised there aren't more threads addressing this.
Sent from my SAMSUNG-SGH-I717 using XDA
I'd like to figure this out too. I was using my Note with my old S2 sim card for a couple months (bought the Note used), and didn't know there was an upgraded SIM card for LTE users. Since upgrading to the LTE Sim chip, my signal bars are around 50% signal strength and I think it is the culprit to draining my battery so quickly. When I used the HSPA+ chip I always had full signal strength.
Are there any mods anyone knows of or ways to update any custom rom? I'm currently trying out the BlackStar ICS Rom.
Thanks!
Canadian ROMs have the Network Mode menu in settings. I don't believe it comes from the Radio so it must come from the settings.apk. Here is the settings.apk from the Rogers ICS ROM and it is already deodexed. Do a nand backup. Then copy this file to your system/app folder overwriting the one included in the ROM. Fix permissions and reboot your phone. You should then have the Network Mode menu in your settings. Let me know if it works.
I'm pulling the trigger now. . .
I'll let you know infive if it worked, ten if it didn't.
This could be GREAT!
rangercaptain said:
I'm pulling the trigger now. . .
I'll let you know infive if it worked, ten if it didn't.
This could be GREAT!
Click to expand...
Click to collapse
Please do. I suspected this would work for some time now. When I installed the KOB4LT mod awhile back it installed the settings.apk from the GSII and it worked fine except there was no settings for the s-pen. Should work on any of the ICS NOTE stock deodexed ROMs. And if your stock ROM is not deodexed just delete or rename both the settings.apk and the settings.odex too
This would be interesting. Definitely helpful since so many reviews said LTE kills battery faster than 3G.
This is why I went with the Rogers stock ROM instead of the ATT version. Network Mode, HotSpot allowed, and no carrier ID on notification bar.
Daaarn!
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"lightbox_next": "Next",
"lightbox_previous": "Previous",
"lightbox_error": "The requested content cannot be loaded. Please try again later.",
"lightbox_start_slideshow": "Start slideshow",
"lightbox_stop_slideshow": "Stop slideshow",
"lightbox_full_screen": "Full screen",
"lightbox_thumbnails": "Thumbnails",
"lightbox_download": "Download",
"lightbox_share": "Share",
"lightbox_zoom": "Zoom",
"lightbox_new_window": "New window",
"lightbox_toggle_sidebar": "Toggle sidebar"
}
Same restricted crud. I wiped before I rebooted. Well, I'll gladly be your test dummy.
That sux. Was hoping it would look like this: Maybe you need the modem too?? It can't be that hard.
I am going to flash the modem you linked then reapply the settings.apk
Oh wait. . .I fixed it:
Back in 30 minutes.
rangercaptain said:
I am going to flash the modem you linked then reapply the settings.apk
Oh wait. . .I fixed it:
Back in 30 minutes.
Click to expand...
Click to collapse
I knew there was a simple solution. lol :silly:
Ok rogers modem and settings.apk onboard.
No toggle (crap)
No sounds (startup, system, notifications, music player, browser)
Any adjustment to a system setting freezes phone for 15 seconds
Laggy
Good modem (signal strength, fast wifi)
There is good news. You are on the right track. I can *#2263# and get:
So this modem gives the band selection option (you already know that). But I haven't seen that menu in months!
I'm going to put back my original settings.apk.
turn off lte att note
i came across this thread as im looking for a desktop widget to turn lte off on my att note 3.
theres a few reasons for this. I hadnt thought about battery life until i read this but it cant help but increase battery life. this is because lte and hsm are two different radios. the gsm will always be on to controll the phone and sms functions and i believe the mms functions.
but simply here in the bay are most areas hspap seems to be faster.
lte upload is always faster and it penetrates buildings better. but i switch back and forth and do tests all the time.
this is a very urban area and hspap seems to have 5 bars a lot more than lte.
7.1
ill do a random test for you from where im typing this.
hspap 7.13 down 1.10 up. 5 bars. lte 4.12 down 3.76 up. 3 bars.
and as soon as i get to two bars lte seems to throttle below 1 down and stays at 3 up.
whereas hspap never goes below 6 down until its lost reception.
so anyhow i switch between the two without a rom by doing this
*#*#4636#*#*
device then i change the radio from lte/gsm auto to gsm auto.
that works immediately
now all that im lacking is a simpler one click way to change the setting.
What kind of signal strength are you guys getting on your S3's?
Settings > About Device > Status > Signal Strength
Mine is typically between -100 dBm and -105 dBm (5-7 asu) which is terrible. To put it in perspective, my HOX is typically -84 to -89 dBm (11-13) asu in exactly the same spot..
Both SIM's are on Telstra Next G. My S3 drops out in areas my HOX does not, and people are having trouble hearing me on the phone. I hear about it nearly every phone call I make.
Could people please post their signal strengths? Trying to work out what the average is and if I have a dud handset.
Thanks for contributing!
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127 views and no replies?? Anyone?
Mine is varying from -83dBm to -91dBm (11-14asu)
My SGS1 (on 2100MHz) varies between -97dBm and -105dBm (5-8asu) - both devices are on Telstra.
I hope this helps you.
btw, it's probably worth putting in the thread title 'Australia', or something similar, as O/S results probably wouldn't be all that useful.
dmihaleff said:
Mine is varying from -83dBm to -91dBm (11-14asu)
My SGS1 (on 2100MHz) varies between -97dBm and -105dBm (5-8asu) - both devices are on Telstra.
I hope this helps you.
btw, it's probably worth putting in the thread title 'Australia', or something similar, as O/S results probably wouldn't be all that useful.
Click to expand...
Click to collapse
Thanks any information here is helpful, it's really going to take a few responses to see what people have (e.g. at home, at work) in other words places you frequent often, and to post results.
Regardless of where you are in the world, I'm quite sure that readings of around -100dBM is bad news. Please correct me if I'm wrong.
I'm stumbling across more and more people now who are having reception issues, and also quite a deal who reckon the S3 has the best reception they've ever had. So it would be nice to be able to help the people who are having issues.
Signal Stength: -85dBm to -93dBm (10-14asu)
Im located in the middle of sweden, guess im pretty close to a transmitter...
Mine is 103dbm(5),just like yours. But am at work, and the network is terrible in here anyway. All try when outside.
Hagis2k said:
Signal Stength: -85dBm to -93dBm (10-14asu)
Im located in the middle of sweden, guess im pretty close to a transmitter...
Click to expand...
Click to collapse
That's still pretty close to high figures! Although anything in the 80's is reported as 4/4 bars. As long as you're not getting 100 you should be good
marvi0 said:
Mine is 103dbm(5),just like yours. But am at work, and the network is terrible in here anyway. All try when outside.
Click to expand...
Click to collapse
It's the opposite for me. Better and work and bad at home.
At work today in the city, I was getting as good as 53dBm. I also had my handset swapped over today, but I got the good reading before that happened. New handset is identical in performance, so I'm thinking that it's not a case of faulty hardware.
Thanks for the replies guys. I have a theory on whats happening. From what I'm seeing, the strength is good in good areas. However, I think that any areas where the signal is weak, the S3 is performing worse than all other phones I've tried.
It's like the radio is set to a constant power output, and does not use more battery to increase the signal strength in areas where signal is weak, instead the S3 will choose to lose the connection altogether.
In terms of a solution, perhaps a modified radio ROM can allow us to increase the power when needed (hoping!), or then again perhaps the Samsung radio is already at full power and we cannot increase it anymore... Hopefully some enterprising hacker here on XDA can let us know
I haven't really had to many issues with reception. This screen cap was taken on the lower lower level of my house which is partially underground.
Edit: I have noticed that this value fluctuates from -97 to -101 when I'm standing in the same area.
Sent from my GT-I9300T using XDA
Try switching to LE6 modem and report your findings.
salada2k said:
That's still pretty close to high figures! Although anything in the 80's is reported as 4/4 bars. As long as you're not getting 100 you should be good
It's the opposite for me. Better and work and bad at home.
At work today in the city, I was getting as good as 53dBm. I also had my handset swapped over today, but I got the good reading before that happened. New handset is identical in performance, so I'm thinking that it's not a case of faulty hardware.
Thanks for the replies guys. I have a theory on whats happening. From what I'm seeing, the strength is good in good areas. However, I think that any areas where the signal is weak, the S3 is performing worse than all other phones I've tried.
It's like the radio is set to a constant power output, and does not use more battery to increase the signal strength in areas where signal is weak, instead the S3 will choose to lose the connection altogether.
In terms of a solution, perhaps a modified radio ROM can allow us to increase the power when needed (hoping!), or then again perhaps the Samsung radio is already at full power and we cannot increase it anymore... Hopefully some enterprising hacker here on XDA can let us know
Click to expand...
Click to collapse
What modem version do you have?
Sent from my GT-I9300 using xda premium
AndreiLux said:
Try switching to LE6 modem and report your findings.
Click to expand...
Click to collapse
Thanks for the suggestion AndreiLux, I'll give that a go. p.s. Good to hear you're developing a kernel for the S3. Hope you get your phone real soon!
EDIT: Actually looks like I'm already running LE6 based on the last 3 digits of my baseband...
Kur0saki said:
What modem version do you have?
Sent from my GT-I9300 using xda premium
Click to expand...
Click to collapse
My baseband is I9300TDULE6. What's yours?
Similar issue with S3 while S2, HOX and Desire operating ok at same location.
S3 was initially ok for a couple of days, or I didn't notice a problem. Installed CWM and Chainfire root and all was ok. Noticed snag about a day later. Thought I'd flash omega V3.0 but didn't realise it's actually the same radio at time (LEF). Nil difference dbm still 105-111.
Sent from my GT-I9300 using xda premium
You must be almost dropping out at that level? Damn. Well as I've eluded to, I've seen it the same or better than the HOX in areas where there is strong signal, but worse when the signal is weaker. So maybe that says its not a problem with the antenna and something that can be fixed with some tweaking.
Hopefully we can somehow increase the power of the radio when the signal is weaker. It's a shame as I think this phone is pretty much perfect apart from that! Hopefully Sammy can fix it with an update or someone can hack the Radio...
Where can I grab different modems? Can I flash them through recovery or do I need a custom kernel with cwm installed?
My current phone signal is almost always dropping... I thought it was Vodafone, but this thread indicates it may be phone related!?
Sent from my GT-I9300 using XDA
Radio drop out
Ye I'd agree, other than this rather irritating snag the phone is good. I've just flashed I900XXLE8 out of idle curiousity to see if the radio improved. Regrettably still only -105dBm - 4asu, so it's still dropping out and I obviousley lost root.
Also I've now got 2 counts in download which is annoying.
Hopefully Chainfire don't take Sundays off, like some gods do, and sorts the counter. As you say if there's a radio genius out there who can improve on the stock that would also be awesome.
ionbuddy said:
Ye I'd agree, other than this rather irritating snag the phone is good. I've just flashed I900XXLE8 out of idle curiousity to see if the radio improved. Regrettably still only -105dBm - 4asu, so it's still dropping out and I obviousley lost root.
Also I've now got 2 counts in download which is annoying.
Hopefully Chainfire don't take Sundays off, like some gods do, and sorts the counter. As you say if there's a radio genius out there who can improve on the stock that would also be awesome.
Click to expand...
Click to collapse
Check the dev thread, I think it's been released.
I found my default xxlef modem and dale8 modem where best and equal to each other in strength, others left me with no signal (not that I seem to get much anyway).
Visit to CPW tomorrow to see if I can go to O2!
Sent from my GT-I9300 using XDA
LE8 seems like the latest release, I'm going to try it out tonight and see what happens.
I'm just going by the date they've been released here, although not sure that's definitive enough. Logically I would have thought LEF would be the latest/newest.
http://www.sammobile.com/firmware/
Radio drop out
Funny old thing, I tried them all last night..yawn. LE8 came out best and I've used it all day today. However at best -97/8 and at worst the no entry sign.
So it appears to be the best of the lot but the phone is of limited use.
I intend to return to stock, clear the counter and pay CPW a visit tomorrow.
I can see the same thing happening here as the HOX which came with a usless camera. Gave it to my son and then 1.28 was released and the issues were solved, would he give me the phone back..lol!
I'd willingly buy any Dev 2 beers for a radio that works properly!
I too have been having this issue but I think I have narrowed it down to the GSM/WCDMA Auto Mode because now as I have switched to GSM Only I am getting as good as -77 dBm 17 asu, but if I go back to auto mode then I drop down to -93 dBm 10 asu (in the same seat).
From what I can tell Orange provides good 3G signal in my area (my previous Galaxy Nexus was a testament to that as I never had an issue) so is it possible that the auto mode is rubbish or could it be a case that the radio isn't good at picking up a 3G signal? Either way untilnI hear more I will have to stick on GSM.
I have emailed Samsung so if I get anything useful back then I will post it up here.
Cannot post attachments yet (I think) and on iPad...
But getting -77 to -83 (18 to 15asu)
Mobile network type HSDPA:9 and HSPAP:15
Not sure where to find the Modem Info (guess it is Baseband: I9300XXLE8)?
I got an S3 a couple of weeks back.
I've noticed that the battery duration is subpar.
I haven't even rooted the device yet and it doesn't seem to be the same for everyone.
On the pic attached you can see that it has been a few hours since disconnected and it has already consumed almost half of the battery.
I wasn't doing much other than about 20 minutes of web surfing, 3 or 4 texts and about 15 of playing music for my car stereo through the aux. Other than that nothing, no pics, no calls, etc.
I'm on 3G (H,H+) all the time. Do you think that's the issue?
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I'm on 3G (H,H+) all the time.
Click to expand...
Click to collapse
Depends. Please use the dialer code *#0011# (or *#*#0011#*#* on AOSP-based ROM's) and check if the RRC-state goes to "IDLE" when your phone has not transferred any data for some time and HSPA is active.
If not, your carrier probably does not disable Fast Dormancy or you have Fast Dormancy disabled for whatever reason.
Please, if rooted, let Better Battery Stats (free APK here in Xda) record the Wakelocks across several hours and make a screenshot of the Kernel wakelocks and Partial wakelocks.
All I can see from your current screenshot is that you're constantly discharging and probably are on an older firmware (Upgrade!) since it doesn't include the Fix for the cosmetic issue causing the Cell standby being battery drain Nr.1
Are you using Apps like Skype or Facebook? Both are known battery drainers.
Have you been in low-signal or no-signal areas?
d4fseeker said:
Depends. Please use the dialer code *#0011# (or *#*#0011#*#* on AOSP-based ROM's) and check if the RRC-state goes to "IDLE" when your phone has not transferred any data for some time and HSPA is active.
If not, your carrier probably does not disable Fast Dormancy or you have Fast Dormancy disabled for whatever reason.
Please, if rooted, let Better Battery Stats (free APK here in Xda) record the Wakelocks across several hours and make a screenshot of the Kernel wakelocks and Partial wakelocks.
All I can see from your current screenshot is that you're constantly discharging and probably are on an older firmware (Upgrade!) since it doesn't include the Fix for the cosmetic issue causing the Cell standby being battery drain Nr.1
Are you using Apps like Skype or Facebook? Both are known battery drainers.
Click to expand...
Click to collapse
Thanks a lot for the reply.
I'm in Mexico and we haven't had the update released here. That's why I haven't upgraded yet.
I'd love to go to CM9 but as it stands I don't want to take risks with the modem, the scene is kind of young still.
I'm not using skype or facebook. I do have them installed but I don't have them running. I actually have sync for FB disable.
I'm very willing to uninstall both if you think it will help.
About RRC-State:
If I'm on wifi it says iddel.
The phone seems to go to HSPA only when downloading something and stays on 3G while idle. While on 3G RCC State reads "FACH".
How can I enable fast dormancy?
By the way, since 12 am today, I have downloaded less than 7MB of data from my mobile network. Anything else has been over wifi.
joshnichols189 said:
Have you been in low-signal or no-signal areas?
Click to expand...
Click to collapse
Not that I noticed. It seems to have good coverage around here. I'm in a 5 million people city and I normally move around a lot due to my work. Seems to be fine in that regard.
While on 3G RCC State reads "FACH".
Click to expand...
Click to collapse
If it doesn't go down to IDLE then fd is confirmed off or not working. However not all providers support it so it's not that easy.
You can try this, but do a backup of the corresponding files first and of course replace wherever required the values with your provider's:
http://forum.xda-developers.com/showpost.php?p=27445663&postcount=1
I'm in Mexico and we haven't had the update released here. That's why I haven't upgraded yet.
Click to expand...
Click to collapse
You don't have to wait, just flash any Rom of your liking, including e.g. Omega ROM. You can flash the CSC back.
I do have them installed but I don't have them running. I actually have sync for FB disable.
Click to expand...
Click to collapse
Try uninstalling or freezing them. It might help. Trial & error
By the way, since 12 am today, I have downloaded less than 7MB of data from my mobile network. Anything else has been over wifi.
Click to expand...
Click to collapse
The problem is, your phone keeps a full-fledged high-speed data connection open at all times since it or the network is unable to go to Fast Dormancy. Open 3G/HSPA connections drain the battery faster than you can look. Talk about carriers sucking you dry =)
I'm in a 5 million people city and I normally move around a lot due to my work.
Click to expand...
Click to collapse
That causes some drain, but not to that extend
I'd love to go to CM9 but as it stands I don't want to take risks with the modem, the scene is kind of young still.
Click to expand...
Click to collapse
The modem doesn't change when flashing CM9. You should flash the BFLB modem though since otherwise you get issues with voice calling.
Plus, you can always go back to stock by flashing your (or a close) firmware from samfirmware.com through Odin.
I highly recommend trying CM9 =)
d4fseeker said:
If it doesn't go down to IDLE then fd is confirmed off or not working. However not all providers support it so it's not that easy.
You can try this, but do a backup of the corresponding files first and of course replace wherever required the values with your provider's:
http://forum.xda-developers.com/showpost.php?p=27445663&postcount=1
You don't have to wait, just flash any Rom of your liking, including e.g. Omega ROM. You can flash the CSC back.
Try uninstalling or freezing them. It might help. Trial & error
The problem is, your phone keeps a full-fledged high-speed data connection open at all times since it or the network is unable to go to Fast Dormancy. Open 3G/HSPA connections drain the battery faster than you can look. Talk about carriers sucking you dry =)
That causes some drain, but not to that extend
The modem doesn't change when flashing CM9. You should flash the BFLB modem though since otherwise you get issues with voice calling.
Plus, you can always go back to stock by flashing your (or a close) firmware from samfirmware.com through Odin.
I highly recommend trying CM9 =)
Click to expand...
Click to collapse
Thanks a lot for the help. I don't think I have the data required for doing that mod for fast dormancy. Most likely that is the culprit then...
I was waiting to root and such because of the flash counter but I guess there is no point in waiting. The phone like this actually doesn't do much for me. It's a pain to be concerned about enough power and I totally need to have the data on all the time (critical work emails). I always carry a backup iPhone 4 in case I have problems with my main android but I rather just use Android all the time (it rocks!).
I guess I'm down for CM9. Just one more question, my firmware doesn't appear as it is on samfirmware. How can I find out which one is closer to the one I got right now?
Edit:
Actually I found it. It wasn't there before but it is now. It might be newer to what I got right now.
I rooted my device and made a nandroid.
Just for research, instead of putting a new ROM I'll try to do a bbs log of my phone as it is to try to find out the reason for the drain although it might very well be the carrier config.