(Q) Sprint galaxy s3 and 3G problems - Sprint Samsung Galaxy S III

Anyone what phone seems to not want to perform well with anything that requires the use of data when 3G kicks in. Either it's incredibly slow or stalls
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It could just be bad signal. Is this something new or has it always does that. You where very vague in your question.
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I guess I can say 3G seems to not work when active. As if my phone rejects usage of it unless it's on Wi-Fi or 4G
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It may just be that when you are on 3G, it is poor signal. You can try updating PRL / Profile to see if it helps. Also the data speed difference between 3G, or 4G LTE / WiFi is usually fairly extreme. Which makes it seem like it is not working properly, if at all.

Related

Why am I only getting 1x speeds on custom ROMs?

I have a epic touch 4g flashed to cricket and I was on wondering why I get 1x on custom ROMs but stock ROMs are just fine. And when I do get 3g the data acts weird and cuts on and off.
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It might not be that you are even on 3G but sprint has this little habit of lying on their stock ROMs by making it so it always shows 3G even when connected to 1x. The devs on xda have made it so that in ROMs shows the true connection such 1x/3G.
A good way to verify while on stock is to go look on the about phone to see what you are connected to or use netmonitor/speedtest to see what connection you are on.
Sent from my Galaxy Nexus using Tapatalk 2
I had a ROM they showed real speeds and I was on 3g. The ROM was basically a slightly modified stock though....
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another welcome to sprint thread.. my speeds are always at 1x no matter what rom/modem im on because of my area
Sent from my SPH-D710 using XDA
Well first crickets 3g doesn't work very well on sprint phones, if you want real 3g you need a cricket phone or be on Sprint.
Data does work on touchwiz roms though, and if you want aosp you have to flash a fix to get it to work on those, but it won't be even close to 3g unless your lucky.
If you don't have the fix its here http://forum.xda-developers.com/showthread.php?t=1479175 use the ics one for ics and jb.
I've gotten 1.6 Mb/s download speed on aosp jb with Cricket, although average during the day is more like 800Kb/s. Area, PRL, signal strength, etc play a huge role as well.
Trolling from my Cricket-flashed Galaxy S2 E4GT using Tapatalk 2

Simultaneous voice and data problem

I'm running CM 10 on my AT&T S3. I'm in an LTE area and have LTE coverage. I also would have strong HSPA coverage as well.
My issue is, when I'm on a call, I have no internet connection. There is no 4G/H/3G icon at all by the signal bars (which are full). And when I try to go to a page it says No connection.
Is this an issue with CM10? Anyway I can fix this? I can't seem to remember if the issue was present on stock.
Same here. It worked on stock att
Sent from my SAMSUNG-SGH-I747 using xda premium
paniro187 said:
Same here. It worked on stock att
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yea i put 10.1 and i still have the issue.

Mobile data not working

has anyone had the issue where their phone won't connect back to 3g data?
when I reboot my phone 3g will work until wifi kicks in. after I turn wifi off 3g comes back, I can call and text but will not download any data.
I have tried Odin back to stock. wiped everything including recovery. I have tried flashing every combination of modems and kernels. all same.
however one thing I will note. I have not been able to get a successful modem flashed in Odin. it keeps failing. so I flash in twrp.
I also wiped the activation data via ##732# or something like that. had sprint reactivate my phone too..
perhaps someone could shed some light on this?
-Wizzle
I just got my Note 2 like 5 days ago and mine does the same thing. Its very annoying and its gonna be exchanged today for that and other reasons.
Sent from my SCH-I535 using xda premium
hmm. I wonder if it's network related..
is your phone stock?
-Wizzle
Okay here is the skinny. It is network related. My wife's stock s3 does the same thing. If you are in an area without lte and your phone under mobile settings is selected to lte/evdo/cdma it will connect to ephrd13. Which is enhanced 3g. When you come off wifi or a phone call sometime it will not reconnect. You can toggle data a few times and it will reconnect.
To solve this issue, under mobile settings I select evdo only setting being that I do not have lte in my area. There is no change in speed between the 2 3g networks.
This info is from self diagnosing the rooted note 2, a stock photon, and a stock s3.
I have had sprint reset the phones as well as the ##data# trick.
Sent from my SPH-L900 using xda app-developers app
I had this problem as well.. Very annoying..
-TeaM VeNuM Like A Boss
-Galaxy Note II Edition
pongoface said:
Okay here is the skinny. It is network related. My wife's stock s3 does the same thing. If you are in an area without lte and your phone under mobile settings is selected to lte/evdo/cdma it will connect to ephrd13. Which is enhanced 3g. When you come off wifi or a phone call sometime it will not reconnect. You can toggle data a few times and it will reconnect.
To solve this issue, under mobile settings I select evdo only setting being that I do not have lte in my area. There is no change in speed between the 2 3g networks.
This info is from self diagnosing the rooted note 2, a stock photon, and a stock s3.
I have had sprint reset the phones as well as the ##data# trick.
Sent from my SPH-L900 using xda app-developers app
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yeah I did the ## thing. however it came back. so someone from sprint called me to see if Iwas happy with the support and I told them I was still having data issues. He told me that he would put my ticket in priority and after an hour everything has been working better so far...
but we'll see
-Wizzle
Yes changing to evdo so far has helped alot. I really appreciate the info. Thank you.
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musclehead84 said:
Yes changing to evdo so far has helped alot. I really appreciate the info. Thank you.
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I will try this as well. Thank you.
-Wizzle
When I say evdo only I meant cdma only. Ehrpd13 is the handshaking 3g for lte. Some areas have lte in the towers but no ehrpd13 so the lte is not turned on yet. Basically ehrpd13 and lte are like cookies and cream lol.
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pongoface said:
When I say evdo only I meant cdma only. Ehrpd13 is the handshaking 3g for lte. Some areas have lte in the towers but no ehrpd13 so the lte is not turned on yet. Basically ehrpd13 and lte are like cookies and cream lol.
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yeah I figured cdma. it works much better so far. but then I'll need to turn on lte eventually when you area gets it.
-Wizzle
wizzlewizzle said:
yeah I figured cdma. it works much better so far. but then I'll need to turn on lte eventually when you area gets it.
-Wizzle
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The problem is my area does have it but at my house its very weak. My ohone wikl display 4g but it wont download anything untio it switches to 3g.
Sent from my SPH-L900 using xda premium
When the 4g network matures as it will the 4g will get better as the 3g.
You can always go to I think s4gru.com. That site shows when and where lte will become available. Plus they will be able to help you better there than xda.
As for sprint customer service, they are laughable at best. 4 people I spoke with didn't know what ehrpd13 was lol.
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musclehead84 said:
The problem is my area does have it but at my house its very weak. My ohone wikl display 4g but it wont download anything untio it switches to 3g.
Sent from my SPH-L900 using xda premium
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I hear ya. it's basically like not even having 4g.
-Wizzle

sprint ditching 4g and reverting back to evdo ?

Since I first turned on my LGOG in my neighborhood in Miami, I've been on the eHRPD network. This week, however, eHRPD is gone from my whole zip code and evdo_a is back.
While eHRPD gave me crappy signal and horrible data throughput, evdo_a at least gives me 1Mbps. But does that mean sprint is abandoning 4g LTE for my zip code?
maybe working on it or upgrading? doubt theyd go backwards lol
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Maybe a dumb question but is your mobile network mode set to lte/cdma?
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This doesn't even make any sense...
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^ What he said
Wonder if the OP knows that eHRPD and EVDO-A are broadcast from the same tower on the same channel using the same technology and the same backhaul. It is one signal, not two different signals.
I'm seeing this in my area too. Looks like ehrpd was stopped from broadcasting, logcat shows its not even trying to authenticate or connect to ehrpd. but lte is still broadcast. Time to check s4gru.
Sent from my LG-LS970 using xda app-developers app
I still have 4g, but I've noticed a difficulty in transition between 3g and 4g. Also, getting the IP errors like I did with Wimax. This has happened in the last day or 2.
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Are u all on ota jelly bean? Jelly bean may be the culprit! I haven been having the same issue in chicago, and my text werent going through.I reverted back to ics now and the problems are gone.
outerpip said:
I still have 4g, but I've noticed a difficulty in transition between 3g and 4g. Also, getting the IP errors like I did with Wimax. This has happened in the last day or 2.
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Slower than 3g, LTE?

Hi, I'm here in Williamsburg, with updated everything (PRL, software,firmware,modem, etc) on a rooted stock MD4 ROM. And when I turn on my 4g LTE radio, because I have pretty decent coverage here in the burg, I usually get speeds of about 90-200 kbps. Since the new update of speed test, it doesn't even ping at all because of how slow it is. When LTE first reached Williamsburg I had a solid 16-24 Mbps in certain areas. Multiple people tell me its the amount of people that is throttling it but that I don't think that is logical since 3g is faster. Any ideas? Anything I'm doing wrong?
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Are they working on the Network in your area ?
Well every LTE site is technically still being "worked on" but the base LTE has been up for a while.
Sent from my SPH-L710 using xda app-developers app
Most be Network issue. Happened to me, I was able to connect to LTE, but no data or slower than 3g. I'm running Slim, so I just turned off LTE. It lasts for over a week. And I'm really far away from you, so yes must be Network issue.
Sent from my SPH-L710

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