Develop Bugs

Sprint Network Down?

I'm in So Cal (The Valley to be exact) and my phone has had NO service for a few hours now. When I say no service, I mean NO service, I get the circle indicating my device is searching for a network. When I reboot the phone, it connects to Sprint but I don't have any signal. Then soon after that, I COMPLETELY lose service. Hopefully maybe nearby towers are being worked on. Though, seems unlikely at this time of night, AND i'd still be able to connect to another nearby tower. Anyone else having any service issues?

Sprint is going their network vision updates throughout all of la county right now. Trust me, the blackouts are worth it. They're doing work on the towers near me and my speeds are easily topping the 1mb download and upload. So far I've maxed out at a little over 2mb download and 1500kbps upload! I average around 1500kbps down and 1000kbps up. Your signal will be a bit iffy for the next few weeks though.
Edit: there's a new prl update it and at first u had crippling speeds but as I began to use my 3G more, my speeds are increasing. I was freaking out for a bit but just another heads up.
Sent from my SPH-D710 using xda app-developers app

dw3bb10 said:
I'm in So Cal (The Valley to be exact) and my phone has had NO service for a few hours now. When I say no service, I mean NO service, I get the circle indicating my device is searching for a network. When I reboot the phone, it connects to Sprint but I don't have any signal. Then soon after that, I COMPLETELY lose service. Hopefully maybe nearby towers are being worked on. Though, seems unlikely at this time of night, AND i'd still be able to connect to another nearby tower. Anyone else having any service issues?
Click to expand...
Click to collapse
I'm down in Riverside county area and my service has been complete **** since I got the new PRL update....I've tried everything and it just sucks everywhere. Data is painfully slow and I've been roaming almost all day.

Scartaris12 said:
I'm down in Riverside county area and my service has been complete **** since I got the new PRL update....I've tried everything and it just sucks everywhere. Data is painfully slow and I've been roaming almost all day.
Click to expand...
Click to collapse
Keep using data on 3G. Mine was like that too but it gradually got better to the point I can stream YouTube videos in HQ easily. I was freaking out too
Sent from my SPH-D710 using xda app-developers app

Lock into roaming until the upgrades are done. Problem solved.

Yea, I used "Road Control", and im roaming (Im assuming on Verizon) right now. Glad I can text and make calls atleast!

Or just get the .002 PRL and use roam control

Snazarian said:
Or just get the .002 PRL and use roam control
Click to expand...
Click to collapse
'Where can I find it? And how do you manually flash a PRL?

http://forum.xda-developers.com/showthread.php?t=1521343
here's everything you need

revamper said:
http://forum.xda-developers.com/showthread.php?t=1521343
here's everything you need
Click to expand...
Click to collapse
Sorry if I missed reading this part in that thread but do I just download the PRL and just flash through recovery or do I have to to it the "manual" way? It didn't mention that.
Sent from my SPH-D710 using xda app-developers app

Hero_Guy said:
Sprint is going their network vision updates throughout all of la county right now. Trust me, the blackouts are worth it. They're doing work on the towers near me and my speeds are easily topping the 1mb download and upload. So far I've maxed out at a little over 2mb download and 1500kbps upload! I average around 1500kbps down and 1000kbps up. Your signal will be a bit iffy for the next few weeks though.
Edit: there's a new prl update it and at first u had crippling speeds but as I began to use my 3G more, my speeds are increasing. I was freaking out for a bit but just another heads up.
Sent from my SPH-D710 using xda app-developers app
Click to expand...
Click to collapse
Is this on 3g speeds?
Mine have been terrible but Sprint isn't doing their network vision around here yet. My ETF is too high to leave yet so hopefully they get their **** together. in my area

jmejiaa said:
Is this on 3g speeds?
Mine have been terrible but Sprint isn't doing their network vision around here yet. My ETF is too high to leave yet so hopefully they get their **** together. in my area
Click to expand...
Click to collapse
Yup. I don't have 4G in my area
Sent from my SPH-D710 using xda app-developers app

It wasn't down. that's just sprint's normal speed. Seriously though, I'm in the valley and have not noticed a down network, just incredibly slow 3g with random data loss that requires me to turn off data and turn it back on.
My life for Aiur

I live in Norco/Corona area and I haven't experienced any of these issues :/

Hero_Guy said:
Sorry if I missed reading this part in that thread but do I just download the PRL and just flash through recovery or do I have to to it the "manual" way? It didn't mention that.
Sent from my SPH-D710 using xda app-developers app
Click to expand...
Click to collapse
You have to do manual. Those zips are not CWM flashable.

ky0nkyon said:
It wasn't down. that's just sprint's normal speed. Seriously though, I'm in the valley and have not noticed a down network, just incredibly slow 3g with random data loss that requires me to turn off data and turn it back on.
My life for Aiur
Click to expand...
Click to collapse
.....My post had NOTHING to do with bandwidth received through 3G or 4G, my phone couldn't find the Sprint network, Period. No voice/text for that matter. Though, it was definitely the tower near me, because im in a different location now and all is good.

dw3bb10 said:
.....My post had NOTHING to do with bandwidth received through 3G or 4G, my phone couldn't find the Sprint network, Period. No voice/text for that matter. Though, it was definitely the tower near me, because im in a different location now and all is good.
Click to expand...
Click to collapse
Yup expect that for the next month or two. When they worked on the towers near me, it was usually in the early morning. I usually had voice but no data. I say be patient, the speed is worth it. I love being able to clearly stream YouTube videos and Pandora now.
Sent from my SPH-D710 using xda app-developers app

I use to work for sprint. Climbing towers. When I was there we tried to get the work done with least impact but a lot of it is driven by sprint's request and how many people are using the tower. If you have consistant LoS call sprint and ask them to check the tower or ask for them to open a ticket for a line sweep. Some of the times we had bent cables, which will block a lot of the signal.
Sent from my SPH-D710 using xda app-developers app

New bell SGSIII drops signal all the time

Just got the phone today and rooted it right away In the last 7 hours its dropped about 7 times. Im not sure if its because of root or what. I have not installed any other rom.

Its not the root... Its the carrier
Sent from my SAMSUNG-SGH-I747 using Tapatalk 2

Foot shouldn't affect cellular signal at all, all that rooting does is give superuser
Sent from my SGH-I747M using xda app-developers app

Could it be because im inside and its trying to switch between H+ and LTE all the time? Is there a toggle i can just keep it at H+?

I would find that unlikely but you can try being on HSPA only and see what happens
Sent from my SGH-I747M using xda app-developers app

equlizer said:
Could it be because im inside and its trying to switch between H+ and LTE all the time? Is there a toggle i can just keep it at H+?
Click to expand...
Click to collapse
You can go to settings, more, mobile networks and switch from gsm/lte or just gsm. But I have not dropped data other than H to 3G every once and a while in weird areas but not a whole lot, but talk to bell online chat and see what they say.
Sent from my SAMSUNG-SGH-I747 using Tapatalk 2

what do you mean it loses signals?
does it get disconnected to the network completely? and you get the emergency calls only message?
because that happens to me as well. I am also thinking its because the phone tries to switch from LTE to H+ over and over.

I think I'm getting the same problem, a fee times a day i get zero signal, then all of a sudden it pops to full signal, without moving the phone. When i lost the signal, it says emergency calls only...
Sent from my Nexus 7 using Tapatalk 2

I had the same issue downtown Ottawa. I switched to HSPA+ only and the problem went away. Turned out, Bell was working on their LTE stuff and that was going up and down and so did the phone. Now, it is all good.

Try having Bell reset your connection from their system....then get them to give you a different SIM card.

I had the exact same thing happen to me when I was in a zone not completly covered by LTE, whenever my phone lost LTE connection I would lose all signal for a bit to eventually drop back to HSPA+, I simply disabled LTE until the coverage reaches where I am completly.

Yep, disabled LTE for now. Problem has gone away and battery life fixed

me and my brother have had the issue in dowtown ottawa on rogers. seems fine in my apt in the market but on a patio and at a restaurant it just wouldnt work!! couldnt send texts, or receive, couldnt call, sometimes it showed i had full bars and lte but couldnt do anything. my brother complained about this the day before. i will try disabling lte next time

equlizer said:
Yep, disabled LTE for now. Problem has gone away and battery life fixed
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Click to collapse
Leave a like if I helped!
Sent from my SAMSUNG-SGH-I747 using Tapatalk 2

[Q] No data after airplane mode?

I put my S3 into airplane mode for about an hour, and when I turned off airplane mode, I no longer have a data connection. It connects to the network, because I can still call or text, but there's absolutely no data connection. Also, now when I turn wifi on I lose all cell connection, so I can't even call.
I'm on the stock rooted rom. Any ideas? It was working fine before I put it into airplane mode.

Kraze said:
I put my S3 into airplane mode for about an hour, and when I turned off airplane mode, I no longer have a data connection. It connects to the network, because I can still call or text, but there's absolutely no data connection. Also, now when I turn wifi on I lose all cell connection, so I can't even call.
I'm on the stock rooted rom. Any ideas? It was working fine before I put it into airplane mode.
Click to expand...
Click to collapse
Do you live in San Francisco, because I'm also getting that

I think most of California is having problems. When I called 611 I got an automated message saying west coast is having problems.. Operator said should be fixed tomorrow 4pm
I live in OC
Sent from my SAMSUNG-SGH-I747 using xda premium

waiters said:
I think most of California is having problems. When I called 611 I got an automated message saying west coast is having problems.. Operator said should be fixed tomorrow 4pm
I live in OC
Sent from my SAMSUNG-SGH-I747 using xda premium
Click to expand...
Click to collapse
Oh okay, im in the San Francisco bay area as well, and am getting no data either.
EDIT:
Weird, in my house we have two s3's and one iphone 4s. One s3 is stock, has no data. My s3 is rooted & romed, no data and cutting out on signal in general, 4s is stock and gets full HSPA bars. Data works no problem.

The problem is with lte only I think. Try to force your s3 onto hspa
Sent from my SAMSUNG-SGH-I747 using xda premium
---------- Post added at 05:24 AM ---------- Previous post was at 05:21 AM ----------
Apparently we can add WA and AZ to that outage list
Sent from my SAMSUNG-SGH-I747 using xda premium

waiters said:
The problem is with lte only I think. Try to force your s3 onto hspa
Sent from my SAMSUNG-SGH-I747 using xda premium
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Click to collapse
Under "Network mode" my phone is stuck in "GSM/WCDMA preferred". I cant even switch it to "LTE/GSM/WCDMA preferred". Sometimes it will say it has 3g, but it wont connect.

try switching the apn to wap.cingular from pta. this worked for me.

I am having exactly the same issues. I live in Davis, California, around an hour drive from San Francisco. I get no data at all. Sometimes even all signal will drop, can't even make calls.
Running AOKP 4.1.2 10/22. Thought it was a ROM issue, but looks like it isn't.
Hopefully this is fixed tomorrow, I have a very busy schedule that requires my phone!

waiters said:
I think most of California is having problems. When I called 611 I got an automated message saying west coast is having problems.. Operator said should be fixed tomorrow 4pm
I live in OC
Sent from my SAMSUNG-SGH-I747 using xda premium
Click to expand...
Click to collapse
Was just gonna post a question about having data connection issues, but thanks for the info. I'm in San Diego and also am having issues.

i was having same issue its ATT LTE apn setting..just changed setting on my an my girls phone to H+ an data works now..I live in between fresno and Bakersfield

Oh damn I was going crazy trying to see what was wrong with my phone. I'm in the los Angeles area and I can't get data and my signal continuously drops. Also noticed I can't use 4g as my preferred network. My gf iPhone 4s has full bars.
I was on aokp ROM and flashed another one thinking that was it but the problem continues
Sent from my SGH-I747 using Tapatalk 2

ComradeNF said:
I am having exactly the same issues. I live in Davis, California, around an hour drive from San Francisco. I get no data at all. Sometimes even all signal will drop, can't even make calls.
Running AOKP 4.1.2 10/22. Thought it was a ROM issue, but looks like it isn't.
Hopefully this is fixed tomorrow, I have a very busy schedule that requires my phone!
Click to expand...
Click to collapse
This is the same ROM im running, and switching to att WAP fixed the problem.

Nor Cal here. Concord. Got my LTE back around 11p.
Sent from my AOKP powered Samsung Galaxy S III

t3chn0s1s said:
Nor Cal here. Concord. Got my LTE back around 11p.
Sent from my AOKP powered Samsung Galaxy S III
Click to expand...
Click to collapse
Southern California here, oc, have lte signal but 700k download speeds..
Seems they are working on it
At least I have solid voice.. Earlier I would drop the signal entirely.. Not anymore.
Sent from my SAMSUNG-SGH-I747 using xda premium

waiters said:
Southern California here, oc, have lte signal but 700k download speeds..
Seems they are working on it
At least I have solid voice.. Earlier I would drop the signal entirely.. Not anymore.
Sent from my SAMSUNG-SGH-I747 using xda premium
Click to expand...
Click to collapse
Weird. The network issues are so randomly sporadic. My LTE speeds seem to be pretty normal here.
Sent from my AOKP powered Samsung Galaxy S III

Things are back up in San Diego, CA. Seemed to have gone back up around 11pm PST as well.

Things working normal in the SF Bay area as of 11pm also.

Werid 4g speeds, need help ruling out phone or network

I bought a Tmobile Galaxy S3 on new years from staples, and since ive got the phone ive been experiencing strange 4g speeds. While im in my house, I always have full signal strength, and it always says 4G. I live in the Bronx in New York City, and when the 4g is working properly, I get upwards of 20 megabits down, and 1-2 up. Now I could literally be sitting in the exact same spot, and later ill test the phone and it says 0.2 - 0.3 megabits, and like over 1000 ping and the up is so slow it doesnt even measure it. It usually comes back after waiting, turning airplane mode off and on multiple times or doing a battery pull. I find it strange that I can get either 21 mbps or 0.3 in the same house, while always having full bars. In the phone status sometimes it would say UTMS or HSPA, so it does switch from 3g to 4g sometimes. The thing is my previous phone was Nexus S with 3g and im pretty sure I never had a problem loading a simple image in my house because the internet was so slow. I consistently pulled 3-6 mbps on that phone. I tried calling t-mobile 3 times and they give me the same basic crap, like clear your cache, make sure airplane mode is off (really?) make sure youre network mode is on auto (i tried auto and wcdma only and it still gets slow) and all that other stuff. Is there anything else I could try to see if its a network or phone issue?

It sounds like it might be something with your local tower. I would call Tmobile and put in a repair ticket.
Sent from my SGH-T999 using Tapatalk 2

Thanks, I just did that. Called t-mobile and just directly asked them to check for tower issues, and they filed a complaint. They said to check back in 3 days, hopefully this gets fixed, or else it might be the phone. Do you think flashing different modems would change anything?

tigim101 said:
Thanks, I just did that. Called t-mobile and just directly asked them to check for tower issues, and they filed a complaint. They said to check back in 3 days, hopefully this gets fixed, or else it might be the phone. Do you think flashing different modems would change anything?
Click to expand...
Click to collapse
It wouldn't hurt to try. What are you currently running? (rom/kernel/modem)
Sent from my SGH-T999 using Tapatalk 2

Completely stock 4.1.1, with UVDLJA modem, which is the latest I believe. The phone is relatively new so I wanted to try touchwiz before I rooted. Does installing something like cm10 change the modem? Or is it independent of rom/kernel. I saw an application for tmo that can change between multiple modems pretty quickly, I might give it a try.
Sent from my SGH-T999 using xda app-developers app

My opinion
tigim101 said:
Thanks, I just did that. Called t-mobile and just directly asked them to check for tower issues, and they filed a complaint. They said to check back in 3 days, hopefully this gets fixed, or else it might be the phone. Do you think flashing different modems would change anything?
Click to expand...
Click to collapse
I work for T-Mo,
If I may lend my opinion,
To me, it definitely sounds like the tower. If you go from 20Mbit down to 0.2, and with 1000ms latency, it's super obvious there is something
wrong with the tower, or there is significant demand on the tower from other users, hey its NYC population density is insane.
Something to note as well, New York City is "in progress" for "network modernization" where they are switching to 1900Mhz.
This is why some people who have iPhones are now getting 3G in certain areas, unlocked devices, as well as AT&T phones can have 3G down there.
Due to this, since there is quite a lot of switching around going on down there, that's probably what's going on.
Example:
http://www.tmonews.com/2013/01/t-mobiles-network-modernization-what-is-it-where-can-i-get-coverage/
Hope it helps.

I see, well that makes sense. I dont really mind if its a tower issue because thatll be fixed eventually, I just would of hated if I had to replace the phone, it would of been such a hassle because I didnt buy it direct from t-mo. Thanks to both of you!
Also, since t-mobile seems to be using multiple bands for 4g, I guess it would be better to leave it on auto in network settings?
Sent from my SGH-T999 using xda app-developers app

tigim101 said:
I see, well that makes sense. I dont really mind if its a tower issue because thatll be fixed eventually, I just would of hated if I had to replace the phone, it would of been such a hassle because I didnt buy it direct from t-mo. Thanks to both of you!
Also, since t-mobile seems to be using multiple bands for 4g, I guess it would be better to leave it on auto in network settings?
Sent from my SGH-T999 using xda app-developers app
Click to expand...
Click to collapse
If it helps you at all to see if you are on a different band than 1700/2100mhz
You can go into the dialer and do:
*#0011#
Up top mine says band 4
Which is for 1700mhz AWS
BAND 2
which is for 1900mhz PCS.
You might be on band 4 or 2 on a tower by tower basis, or if they are making adjustments
You might be switched but that is above my pay grade lol

Anyone notice their service getting worse?

At first I thought it might have been my rom, but it seems it's happening with my GF's note 2 also.
Coverage we used to receive in some areas is almost completely gone. It will show signal and the 4g symbol but basically have NO internet service whatsoever.
On a better note, we've been receiving coverage in some areas we don't usually have it.
I'm hoping this is just a temporary thing due to the attempts to upgrade towers for LTE.
I don't know if it's because of the UVBMB4 update, but t-mobile service has been pretty crappy lately. Period.
We're in the San Gabriel Valley area.
Link for older UVALL4 modem below, people seem to experience better service
http://forum.xda-developers.com/show...php?p=36786363

I believe my service has suffered as well. Before the last update that enabled our Lte radios, I had great speeds, now it's slowed Way down. I'm in San Diego CA. Hope that it's just as the Op said, LTE towers being updated and what not.
Sent from my SGH-T889 using xda premium

Definitely have noticed a deterioration of service over the past month here in NYC.

Its because for some reason that new LTE APN is slow on HSPA+.. unless you have LTE in your area switch to the EPC APN. You can find the settings online. Its litter ally consistently a difference of 6+ mbps I have extensively speed tested lol..... click thanks if this helped
Sent from my SGH-T889 using xda premium

I also had problems even with old apn.
Flashed previous radio and service is top notch again.
Sent from my SGH-T889 using xda premium

Same here, I thought it was rom related.

YES! My service has sucked royally for the past month or so. Data latency/hangups/slowness, and the signal will just completely go away sometimes. I noticed that it started as soon as I flashed the most recent radio too, I'm about to go back to the old one.

Count me in, even my regular phone reception went from 4 bars no 1 or 0!

Can anyone point to towards old radio to flash? I go from no signal downstairs to full bars upstairs...theres an obv issue with new radio.

Yup I've noticed this beginning this week I've made zero changes to the phone. I used to get full bars at work and this week it bounces between full and 1 bar regularly. Theure messing with towers for sure
North Carolina by the way. Charlotte. Big City of 1 million people.
Sent from my SGH-T889 using Tapatalk 2

nxneko said:
Can anyone point to towards old radio to flash? I go from no signal downstairs to full bars upstairs...theres an obv issue with new radio.
Click to expand...
Click to collapse
http://forum.xda-developers.com/showthread.php?p=36786363

nxneko said:
Can anyone point to towards old radio to flash? I go from no signal downstairs to full bars upstairs...theres an obv issue with new radio.
Click to expand...
Click to collapse
I'm also experiencing significant decrease on data speed. Has your data speed improve after flashing with older radio and APN setting?
Sent from my SGH-T889 using Tapatalk 2

zen0s said:
I'm also experiencing significant decrease on data speed. Has your data speed improve after flashing with older radio and APN setting?
Sent from my SGH-T889 using Tapatalk 2
Click to expand...
Click to collapse
I was getting about 9/0.6 and with flashing back Im getting... 14/2 Though Ive been on HSDPA 15 & 21. Though Im not getting 4G as much, but it was sporadic anyways and I lost signal...and now I am not. So, Im happy now even though I am on 3G. However... in my corner big red has same problems as they wanted to not have tons of towers in this corner and theres only a ATT Tower....for a decent distance. basically reception fringe. though I am a new subscriber so i haven't experienced normal TMO, I literally got my device yesterday around 6pmish but it def wasn't normal and flashing previous radio did fix it like it solved everyone elses issue

janjannsen99 said:
Yup I've noticed this beginning this week I've made zero changes to the phone. I used to get full bars at work and this week it bounces between full and 1 bar regularly. Theure messing with towers for sure
North Carolina by the way. Charlotte. Big City of 1 million people.
Sent from my SGH-T889 using Tapatalk 2
Click to expand...
Click to collapse
my problems started last friday. i have limited to no service at all; no data, no voice, even no signal at times (circle with line through it, not just no bars). when i do get a signal, the phone refuses to register on the network. when im at home, i have intermittent service. i miss calls, texts wont send, if i do get a working call, it drops after a bit. there are times when it works fine, even on LTE but it never last long. went to the tmo store last night and they gave me a new sim which didnt do squat. already done the factory reset option (twice). phone has never been rooted, all stock. im in the KC metro so not like in the middle of nowhere. they said my next step is a warranty replacement phone if the sim didnt help. not sure if my problem is at all related to everyone elses in this thread, but yeah, service has sucked.

One of the issues, especially if you switch from 4g to edge to gprs a lot, is a setting in the new modem.
It's something called acquisition order. It has 3 settings:automatic, gsm_umts, umts_gsm. In short it tells the phone what kind of network to prefer. It will search for and use that type of network first.
Prior to the latest update it was set to auto. Now it is set to prefer umts. For some reason this has caused an issue I've come to call phantom 4g. Where it'll say 4g with no bars and no data service.
That is my guess. I'll look into it further.
Sent from my SGH-T889

Thanks guys for the heads up on switching to an older radio, I dont have LTE in Miami yet and was having slow internet for the last 3 weeks, I just switched and wow! What a difference. I'm also using the Epic APN.

I also noticed that speeds were degraded after the update. However, there is a simply fix to make your web a tad bit faster....
Go into your network settings, and switch your mobile network from LTE/4g/3g/2g to just 4G/3g/2g
your device will stop looking for an LTE connection and will just utilize HSPA+
Made a world of a difference on my own device. Connecting to the play store, opening web pages, everything was right back to where it was before the update.
Obviously if you live in an LTE area, there is no need to do this...

newageoutlaw said:
I believe my service has suffered as well. Before the last update that enabled our Lte radios, I had great speeds, now it's slowed Way down. I'm in San Diego CA. Hope that it's just as the Op said, LTE towers being updated and what not.
Sent from my SGH-T889 using xda premium
Click to expand...
Click to collapse
I dont know about you but I live in san diego too my data speed stay above 10meg and max is 15meg.
Sent from my SGH-T889 using xda app-developers app

So I'm gonna be a noob here for a sec. When people say they are flashing the previous radio (I'm referencing the link that was posted) are people just flashing the modem from the section under the most recent? (the one with the January date on it). Just thought I would ask. Better safe than sorry. Thanks!
Sent from my SGH-T889 using xda app-developers app

superkamiguru31 said:
So I'm gonna be a noob here for a sec. When people say they are flashing the previous radio (I'm referencing the link that was posted) are people just flashing the modem from the section under the most recent? (the one with the January date on it). Just thought I would ask. Better safe than sorry. Thanks!
Sent from my SGH-T889 using xda app-developers app
Click to expand...
Click to collapse
Yup, radio is synonymous with modem in this case. UVALL4 is the previous version.
Hastily spouted for your befuddlement