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I had this problem running miui, cm7, and now I'm on unnammed. I've used all the modems and still nothing helps. I thought unnammed didn't have this problem? To fix it I haft to flip to airplane mode and back, then its fixed.
Sorry if this has been asked. I'm on taptalk on my phone and I don't know how to search with it
Sent from my SAMSUNG-SGH-I777 using Tapatalk
Could be APN settings. I don't know them off hand, but they are listed in post 2 of the miui thread.
If it happens on multiple ROMs it could also be a bad SIM card. Does it do it on pure stock? If so, try a new SIM card.
Sent from my Galaxy S II (i777)
ok, thanks. ill look them up. this issue is making me want to switch back to my iphone, but hopefully this will fix it cause i like android, just this is getting old
Are you talking about wifi or 3g?
Are you using any battery saving apps like Juice Defender?
ZeroIsntTheHero said:
Are you using any battery saving apps like Juice Defender?
Click to expand...
Click to collapse
This. I haven't seen this issue reported often, and in the past, it's turned out to be an app interfering with the connection. If not, it's likely an apn issue.
randrewm97 said:
I had this problem running miui, cm7, and now I'm on unnammed. I've used all the modems and still nothing helps. I thought unnammed didn't have this problem? To fix it I haft to flip to airplane mode and back, then its fixed.
Sorry if this has been asked. I'm on taptalk on my phone and I don't know how to search with it
Sent from my SAMSUNG-SGH-I777 using Tapatalk
Click to expand...
Click to collapse
I've had the same thing happen to me on other AOSP roms too. On both the SGS2 and my captivate.
I just switched to iscrewed to see if the prob is still there. Its hard to reproduce the bug, but it happens when i go from either:
1. being connected to wifi for a long time and then leaving that area, mobile data doesnt turn back on
2. being in a bad service area for a long time, and then leaving it, mobile data doesnt turn back on.
The worst thing about it is i use google voice for texts, and thats usually how i can tell that it cut out, because i stop getting texts from people.
I love android and google, but honestly if problems like this dont get ironed out, then as long as the next iphone has a decent size screen im probably switching over.
FYI this has occurred when i had the bare minimum installed on my phone, and i never use any ridiculous battery saving apps.
lourivellini said:
I've had the same thing happen to me on other AOSP roms too. On both the SGS2 and my captivate.
I just switched to iscrewed to see if the prob is still there. Its hard to reproduce the bug, but it happens when i go from either:
1. being connected to wifi for a long time and then leaving that area, mobile data doesnt turn back on
2. being in a bad service area for a long time, and then leaving it, mobile data doesnt turn back on.
The worst thing about it is i use google voice for texts, and thats usually how i can tell that it cut out, because i stop getting texts from people.
I love android and google, but honestly if problems like this dont get ironed out, then as long as the next iphone has a decent size screen im probably switching over.
FYI this has occurred when i had the bare minimum installed on my phone, and i never use any ridiculous battery saving apps.
Click to expand...
Click to collapse
Have you tried a new SIM card? My problem was similar, and followed me from one phone to another as you describe. New SIM card fixed it right away.
Sent from my Galaxy S II (i777)
quarlow said:
Have you tried a new SIM card? My problem was similar, and followed me from one phone to another as you describe. New SIM card fixed it right away.
Sent from my Galaxy S II (i777)
Click to expand...
Click to collapse
Wow, i didn't even consider that.
I will be trying and will report back. If this fixes it i will owe you my life!
I might have to switch back to cm7 just to name sure it's the Sim card that's causing it.
quarlow said:
Have you tried a new SIM card? My problem was similar, and followed me from one phone to another as you describe. New SIM card fixed it right away.
Sent from my Galaxy S II (i777)
Click to expand...
Click to collapse
ill try this out tomorrow. just now when checking my email i had to turn on airplane mode and back off to get data to work.
also, i tried the apn settings on the first page of the miui thread and it didnt work. i tried those settings on miui, wiui, cm7, and unnammed but they all made it so that my internet didnt work at all.
so just to clarify, i shouldnt haft to change apn settings and my phone shouldnt be doing this on non stck roms, right? sim is likely the problem? this has gotten really old really quick and its embarrassing when im trying to show my friends something but my phone isnt working.
Your phone should work fine on any ROM you find here. Mine does. I never have to play with APNs, even on miui. I never have to play with airplane mode or power cycle. But, when my SIM was bad I would drop data connectivity all the time. Calls would fail (outbound only), and other glitchy reception issues. Sometimes airplane mode fixed it, sometimes power cycle, sometimes airplane mode on, power cycle, and all times it was temporary. Its worth a try, shouldn't cost anything to get a new SIM. If they give you trouble at the store just tell them you called 611 and they told you to go in for a new one. If that doesn't fix it go warranty route for a new phone.
Sent from my Galaxy S II (i777)
randrewm97 said:
also, i tried the apn settings on the first page of the miui thread and it didnt work. i tried those settings on miui, wiui, cm7, and unnammed but they all made it so that my internet didnt work at all.
Click to expand...
Click to collapse
Those APN settings have worked fine for me on both CM7 and every Sammy ROM I've used. I always have (unrelated) problems with MIUI, so I can't verify that one.
So i went today and got a new SIM. Its been about 9 hours, but no problems yet. Time will tell if it works, but im willing to bet that was the problem, and this is why.
When i went to get my sim, the guy there told me that when ATT started rolling out 4g phones (which includes 3.5g) many employees had trouble with their data switching on and off until they switched their sim cards.
Then i started thinking to myself - I've had the problem about as long as I had my SGS2, and only had the problem with AOSP roms on my captivate - then i made the connection.
When i used a stock, or stock based rom on my captivate, i had no problems. The second i used an international ROM, or an AOSP rom is when i would have the issues. What is the difference between the roms............. The ATT rom doesnt have hspa+ enabled, so using my old "3g" sim card i was fine. No 3.5g to connect to to cause problems. CM and international Roms would use that new 3.5g network and would then screw up.
That is my theory anyway, and if it turns out true it would have solved one of my biggest annoyances with android. (or at least my android experience)
fingers crossed
i too went in and got a new sim. my phone service actually quit working before going in. id get calls and i could hear them but they couldnt hear me. i replaced the sim and all is good. where miui would hang and data would freeze and id haft to redo the airplane mode trick, it would just hang for a sec or 2 and then start downloading again. ive only had it hang 2x now and i think its because it might be switching from hspa to 3g or even wifi.
so for the sim card thing worked. if it fails in the mean time, ill come back to this and give an update. thanks for suggesting it being the sim card cause i wouldnt have thought of that.
I'm another day strong without any problems. I don't know of its due to the new sim or because i switched to a Samsung based rom. I should switch back to test, but I'm loving the speed of icsrewed right now.
If i had to guess i would say it's due to the sim, and if so, there should be a sticky somewhere that says to make sure your not using an older 3g sim card. Would have saved me months of aggravation.
Will report back after a few more days. In a week or so I'll switch back to cm to see if it fixes it there as well.
That's one reason I generally buy my phones at the att store (authorized reseller, but dedicated to att phones). Usually they will price match, and they know things like that. My SIM went bad when I had my captivate. Later when I upgraded to a faux G phone the att rep knew I would need a new SIM, and replaced it then, even though it was only a month old. They also knew the "3G" data plan needed to be converted to a "4G" (still unlimited) plan on their system for me to get data.
You don't get that kind of assistance when you buy at Walmart, online, etc.
Sent from my Galaxy S II (i777)
quarlow said:
That's one reason I generally buy my phones at the att store. Usually they will price match, and they know things like that. My SIM went bad when I had my captivate. Later when I upgraded to a faux G phone the att rep knew I would need a new SIM, and replaced it then, even though it was only a month old. They also knew the "3G" data plan needed to be converted to a "4G" (still unlimited) plan on their system for me to get data.
You don't get that kind of assistance when you buy at Walmart, online, etc.
Sent from my Galaxy S II (i777)
Click to expand...
Click to collapse
Amazon Mobile just sends you a new simcard anyways lol
Interesting, maybe next time if my data refuses to work I should bug at&t for a new Sim card. I had problems on different roms including stock rom where I had to turn off and on my data or else it will not work. But I think my modem might have played a role. Data seems fine now.
Sent from my SGH-I777 using XDA App
zynine said:
Interesting, maybe next time if my data refuses to work I should bug at&t for a new Sim card. I had problems on different roms including stock rom where I had to turn off and on my data or else it will not work. But I think my modem might have played a role. Data seems fine now.
Sent from my SGH-I777 using XDA App
Click to expand...
Click to collapse
If you go directly to an AT&T store they replace it for free.
penguinlogik said:
If you go directly to an AT&T store they replace it for free.
Click to expand...
Click to collapse
Yup just show up. They shouldn't charge. as long as your an att customer theyll take care of you. I've never heard of anyone paying for a new Sim. If you lose your Sim I've heard of them charging people, but i doubt they'll charge even then.
Ive had my note for about a week and a half, love it, but twice now it acts like the sim card was pulled out? Powering off/on fixes it but its quite an inconvenience. I am wondering if anyone else has seen this issue, its stock by the way.
Sent from my SAMSUNG-SGH-I717 using xda premium
Yes, once and awhile it will have a no sim card showing in the status bar. the only way to get rid of it is to restart the phone but sometimes it will come back after a few minutes. Its really annoying.
I lost 2 SD cards with the Note 64gb and 32gb. This never happened to me. Sim card is normal no problem.
thanks cozzeck, any news if samsung and att know about it?
Sent from my SAMSUNG-SGH-I717 using xda premium
Kept happening to me a few weeks after I got mine. Went to the at&t store & they put a new sim card in it & that fixed it for me.
I don't know what to do anymore. I started getting LoS about a month ago and no matter what ROM, Kernel I use I get it about 2-3 times a day. I have to reboot the phone to get it back. I am on stock RUU now and I am still getting it.
I don't know if it could be Verizon because I live in a big city and I get it randomly plus it only started about a month ago.
I am S-ON.
I am thinking about taking it to Verizon, but haven't decided yet. It they give me another phone, won't that come with the new OTA that is un-rootable? Or is it?
Does anyone know what might cause this LoS?
Chances are if you do take it to verizon to get a replacement the new phone will most likely have the new ota.
Sent from my HTC6435LVW using xda app-developers app
AvatarOfFrost said:
I don't know what to do anymore. I started getting LoS about a month ago and no matter what ROM, Kernel I use I get it about 2-3 times a day. I have to reboot the phone to get it back. I am on stock RUU now and I am still getting it.
I don't know if it could be Verizon because I live in a big city and I get it randomly plus it only started about a month ago.
I am S-ON.
I am thinking about taking it to Verizon, but haven't decided yet. It they give me another phone, won't that come with the new OTA that is un-rootable? Or is it?
Does anyone know what might cause this LoS?
Click to expand...
Click to collapse
are you getting sim card errors? If so, reseating your sim card should fix it. and if it doesnt just go get a new one
Bigandrewgold said:
are you getting sim card errors? If so, reseating your sim card should fix it. and if it doesnt just go get a new one
Click to expand...
Click to collapse
Yep... I got that crap for the first time... today! Had to reboot my phone to get rid of it. I'm running Viper 1.2 with stock kernel, S-Off...
I wonder if running the stock kernel in this new version of Viper Rom is the reason for my getting the LOS... I've had my phone for the last 4 months... hacked from day one.... unlocked, rooted, s-off... zero problems... now I've been on Viper Rom 1.2 since release... and now this, but NO problems with previous Viper Roms and Cubed Kernel
..... Hmmmmmm
tomcat7165 said:
Yep... I got that crap for the first time... today! Had to reboot my phone to get rid of it. I'm running Viper 1.2 with stock kernel, S-Off...
I wonder if running the stock kernel in this new version of Viper Rom is the reason for my getting the LOS... I've had my phone for the last 4 months... hacked from day one.... unlocked, rooted, s-off... zero problems... now I've been on Viper Rom 1.2 since release... and now this, but NO problems with previous Viper Roms and Cubed Kernel
..... Hmmmmmm
Click to expand...
Click to collapse
Possible you messed up your radio by being s-off. Have you flashed complete stock? Perhaps reflash the radio? You may just need a new sim card.
123421342 said:
Possible you messed up your radio by being s-off. Have you flashed complete stock? Perhaps reflash the radio? You may just need a new sim card.
Click to expand...
Click to collapse
I've had no problem with my sim card at all... As far as I know... no problem with the radio either, but have only been on this new Viper Rom 1.2 for just over a week. If it does it again... I'll report, then reinstall the Rom, Kernel, & Image... and report results
Any way to test the radio or is it possibly just a fluke los? Ironically enough... it happened at the exact moment I received one of those telemarketer calls, which was blocked by call blocker... Hmmmmmm...
tomcat7165 said:
I've had no problem with my sim card at all... As far as I know... no problem with the radio either, but have only been on this new Viper Rom 1.2 for just over a week. If it does it again... I'll report, then reinstall the Rom, Kernel, & Image... and report results
Any way to test the radio or is it possibly just a fluke los? Ironically enough... it happened at the exact moment I received one of those telemarketer calls, which was blocked by call blocker... Hmmmmmm...
Click to expand...
Click to collapse
It's not the Rom, or the kernel, or the radio. It happens on stock unrooted too. It's a known hardware issue with the DNA. If the SIM card is inserted perfectly you'll never see the error, bit if it's not then it can cause issues. Most of which can be alleviated by reseating the SIM, but the most extreme cases require a new SIM.
Sent from my HTC6435LVW using xda app-developers app
What do you mean by loss of service? The phone won't recognize the SIM card?
Edit: just saw all the replies advocating SIM card fixes. I was going to say that it is a known issue that Verizon is just ignoring, but that's already been covered. Other fixes, besides replacing or reseating the SIM card, are rebooting and toggling airplane mode on and off. For PUK code locked errors, reboot the phone.
How do I take the Sim card out ?
AvatarOfFrost said:
How do I take the Sim card out ?
Click to expand...
Click to collapse
With the tool that came in your phone box, or a small paperclip, or similar item. You just insert it in the hole next to the SIM card slot.
Sent from my HTC6435LVW using xda app-developers app
Just wanted to add I have got this too. Glad to know I am not alone. I have not re-seated sim card yet just rebooted. When it starts to get worse I will try that
I had this issue a few times and everytime I found that installing the latest gapps fixed that problem
canemaxx said:
I had this issue a few times and everytime I found that installing the latest gapps fixed that problem
Click to expand...
Click to collapse
Where can i find these apps? I'm having this exact problem. The text messaging works, but cant receive or make calls
What do you mean by loss of service? The phone won't recognize the SIM card?
Edit: just saw all the replies advocating SIM card fixes. I was going to say that it is a known issue that Verizon is just ignoring, but that's already been covered. Other fixes, besides replacing or reseating the SIM card, are rebooting and toggling airplane mode on and off. For PUK code locked errors, reboot the phone.
Click to expand...
Click to collapse
I think my problem is even worse because I'm having tons of signal loss during a day and the message preparing SIM card appears all time. I've tried everything, roms, kernel, radios and no luck. What do you mean with resetting SIM? Taking it off back on?
Finally if i switch to 2g mode I've no signal loss at all, so I wouldn't say it is just a sim issue.
Sent from my HTC6435LVW using xda app-developers app
---------- Post added at 03:52 PM ---------- Previous post was at 03:49 PM ----------
M0rtiferrimus said:
What do you mean by loss of service? The phone won't recognize the SIM card?
Edit: just saw all the replies advocating SIM card fixes. I was going to say that it is a known issue that Verizon is just ignoring, but that's already been covered. Other fixes, besides replacing or reseating the SIM card, are rebooting and toggling airplane mode on and off. For PUK code locked errors, reboot the phone.
Click to expand...
Click to collapse
I think my problem is even worse because I'm having tons of signal loss during a day and the message preparing SIM card appears all time. I've tried everything, roms, kernel, radios and no luck. What do you mean with resetting SIM? Taking it off back on?
Finally if i switch to 2g mode I've no signal loss at all, so I wouldn't say it is just a sim issue.
Sent from my HTC6435LVW using xda app-developers app
By "reseating" the SIM, I mean taking it out and *carefully* putting it back in. I have not tried this personally, but it seems to work for some people.
The most frustrating part about this problem is that it isn't manually reproducible to check if its fixed, so you can't just take the phone into a vzw retailer and show it to them, since theyll just reboot it and think that they've fixed the problem. I would recommend toggling airplane mode on and off though.
ryan.a193 said:
Where can i find these apps? I'm having this exact problem. The text messaging works, but cant receive or make calls
Click to expand...
Click to collapse
you can find them at goo.im Yeah its weird cuz I had the same thing and reinstalling the gapps solved it perfectly
I used to get this issue all the time. I re seated the sim card once and then took the ota and have never had a problem since then.
Sent from my HTC6435LVW using xda app-developers app
Just an update, I reseated the SIM card yesterday (it had three pairs of scratches on the contacts, leading me to believe this is a hardware problem). I have not had this problem since, even with a reboot and a toggle of airplane mode.
Sent from my HTC6435LVW using xda app-developers app
Bigandrewgold said:
are you getting sim card errors? If so, reseating your sim card should fix it. and if it doesnt just go get a new one
Click to expand...
Click to collapse
Yea a sliver of tape on the top may help too
Sent from my Galaxy Nexus using xda premium
---------- Post added at 04:08 AM ---------- Previous post was at 04:08 AM ----------
M0rtiferrimus said:
Just an update, I reseated the SIM card yesterday (it had three pairs of scratches on the contacts, leading me to believe this is a hardware problem). I have not had this problem since, even with a reboot and a toggle of airplane mode.
Sent from my HTC6435LVW using xda app-developers app
Click to expand...
Click to collapse
Good to hear.
Sent from my Galaxy Nexus using xda premium
Hey guys been having issues with 4g. It works only intermittently in my DNA (even though it shows the indicator in the status bar), but if I put my sim in my Galaxy Nexus it works flawlessly. I've tried flashing kernels, new roms, and even going back to stock with ruu, but no luck. I've even switched to a new sim card. Anyone else have this issue? Or know of a fix? I'm hesitant to do a warranty exchange because the phone has the "relocked" tag in the bootloader (but no tampered tag).
I saw this too starting last week. I thought it was because i got a new sim. But then i put the sim in a different phone and have noticed that it is doing the same thing. Only thing i can think of is it's aproblem with Verizon. And not localized since your not here in Ga.
dragonstalker said:
I saw this too starting last week. I thought it was because i got a new sim. But then i put the sim in a different phone and have noticed that it is doing the same thing. Only thing i can think of is it's aproblem with Verizon. And not localized since your not here in Ga.
Click to expand...
Click to collapse
Yeah it's driving me crazy. no one else here is having the issue and I've drove through the state recently without any change. 3G however works fine when it connects to that. I'm wondering if somehow I bricked the radio Flashing/Changing roms and kernels.
I've been experiencing this problem as well. It's so annoying. Using the app OpenSignal it's funny to see my status display 4G, but when I check with the app it always says no data.. It is very frustrating. Hopefully the SIM update dropping tomorrow will fix this.
kamkid279 said:
I've been experiencing this problem as well. It's so annoying. Using the app OpenSignal it's funny to see my status display 4G, but when I check with the app it always says no data.. It is very frustrating. Hopefully the SIM update dropping tomorrow will fix this.
Click to expand...
Click to collapse
Whats the sim update tomorrow?
JoeDroid said:
Whats the sim update tomorrow?
Click to expand...
Click to collapse
http://forum.xda-developers.com/showthread.php?t=2232144
New Update for Sim card issues.
Please don't touch my "Thanks" button, it doesn't like you...
iosh8er said:
http://forum.xda-developers.com/showthread.php?t=2232144
new update for sim card issues.
Please don't touch my "thanks" button, it doesn't like you...
Click to expand...
Click to collapse
too late already pressed it xd
Does anyone experience random losses of data connectivity? Sometimes I just can't browse the internet. If I reboot the phone, then it works. Cycling the data off and then on doesn't do it. I have to reboot. I am running stock everything, but unlocked bootloader.
aiwapro said:
Does anyone experience random losses of data connectivity? Sometimes I just can't browse the internet. If I reboot the phone, then it works. Cycling the data off and then on doesn't do it. I have to reboot. I am running stock everything, but unlocked bootloader.
Click to expand...
Click to collapse
Stock browser quits working on me sometimes. It won't load a page, I just click recents, close it out and reload it and it is fine.
Yeah, I'm getting the same thing. I also get the random Sim error that also requires a reboot to fix. It seems to be happening more frequently now, so I may be making a trip to at&t tomorrow.
Sent from my HTC One_M8 using Tapatalk
If you take a trip, let me know what they say. I haven't gotten the SIM errors, but definitely losing data. Closing and re-opening the browser has not solves it for me.
I was thinking of trying a different ROM, but still close to stock.
aiwapro said:
If you take a trip, let me know what they say. I haven't gotten the SIM errors, but definitely losing data. Closing and re-opening the browser has not solves it for me.
I was thinking of trying a different ROM, but still close to stock.
Click to expand...
Click to collapse
Did you by chance cut down your SIM card to nano size and use it in your M8?
S550 said:
Did you by chance cut down your SIM card to nano size and use it in your M8?
Click to expand...
Click to collapse
I didn't, mine came pre-loaded in the phone, but I wasn't getting the SIM errors, it was the person above. I looked at ROM's but couldn't decide on one. I think I will try deleting the APN, and creating a new one, and see how that goes for a while.
I'm getting the same thing.
Yes, this happens to me too sometimes when I pass by some particular area, not always but sometimes. And when this happen, it sometimes get back to Norman but sometimes it don't. I have to reboot (as you said) this don't seems to be a problem in phone but with the service provider. I losses signals in that area
And I am from India and this happens in an almost village area
Sent from my SM-T211 using xda app-developers app
Turned off all of auto update.
As I expected they first tried to replace my SIM. I was still having the data drop issue and did once again get the SIM error, even though it doesn't happen every time. I was not losing signal like this with my Nexus 5. I finally got an AT&T phone rep to send me out a new device. I could tell the reps in the warranty center didn't believe me...
Sent from my HTC One_M8 using Tapatalk
I get this too. I've checked all my data settings but for some reason it doesn't always sync on mobile data. As soon as I get home on Wi-Fi I get a bunch of messages at once. Checked all my data settings can't seem to figure it out. Stock ROM rooted and soff. Att phone unlocked using on telus in Canada.