New bell SGSIII drops signal all the time - AT&T, Rogers, Bell, Telus Samsung Galaxy S III

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
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Foot shouldn't affect cellular signal at all, all that rooting does is give superuser
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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
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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+?
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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.
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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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Leave a like if I helped!
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Related

(T-Mobile) Randomly Losing Signal

My gsiii for some odd reason loses 4G and sometimes even service. Last night when i was on a call, it dropped and the signal reflected that i was running on edge then it switched to someting that said "G." I looked at my brother's siii and he was also on edge. So i tried putting it on airplane mode however it would not go through. It's as if i never pressed anything. So i had to restart the phone and it was on airplane mode, so i took it off then about a minute and a half later i got 4G back. Today when i was browsing the web, i randomly lost 4G again but this time i continued to have signal just no data. About a minute later I got it back. About a minute later i lost it again and regained it about a minute later. I havent noticed anything else about the phone and ive had it for about a week and last night was the first time that i restarted it. Any ideas? Has anyone else experienced this? Thanks!
I'm also having the same problem it just happened to me today also and happened the other day when I restarted phone it did nothing then I did airplane mode that didn't do anything so I clicked the enable packet data off then on an item came back in hoping it's not going to be a hardware problem cause I've dropped calls for no reason and had no service or bars were showing but had no edge 4G etc
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ballenone said:
I'm also having the same problem it just happened to me today also and happened the other day when I restarted phone it did nothing then I did airplane mode that didn't do anything so I clicked the enable packet data off then on an item came back in hoping it's not going to be a hardware problem cause I've dropped calls for no reason and had no service or bars were showing but had no edge 4G etc
Sent from my SGH-T999 using xda app-developers app
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Yeah it's really weird, when I was using mt4g, it would do that randomly as well, I'm not sure if it's a phone or a network issue. Anyone else experiencing this random drop in data?
Same here I think it's a common issue with tmobile devices.
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I think is just the network it had happened to me but while driving some place and Idk if is the coverage but other then that I do see going from h+ and 3g, I have a custom theme install
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I just moved from Sprint to Tmo and I'm getting the same on my S3. It would look like i have good 4g coverage with 3 bars then all of a sudden it goes to Edge. So I have to wait for it to go back to 4g to start surfing. Edge is like 15kbps for me which is not even modem speed which is 56k. If I accidentally start surfing on Edge it seems to wanna stick to Edge until I close whats using data then it will eventually go to 4g. But when I get 4g its awesome and I get over between 6meg to 12 but only 40% of the time. I called Tmo and they said I have great 4g coverage where I'm at....ya sure.
aznmode said:
I just moved from Sprint to Tmo and I'm getting the same on my S3. It would look like i have good 4g coverage with 3 bars then all of a sudden it goes to Edge. So I have to wait for it to go back to 4g to start surfing. Edge is like 15kbps for me which is not even modem speed which is 56k. If I accidentally start surfing on Edge it seems to wanna stick to Edge until I close whats using data then it will eventually go to 4g. But when I get 4g its awesome and I get over between 6meg to 12 but only 40% of the time. I called Tmo and they said I have great 4g coverage where I'm at....ya sure.
Click to expand...
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Ha ha tell them to give you credit Lmao
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It's them rebooting equipment due to all the upgrades they're adding.
Sent from my MyTouch 4g
hedjemunkee said:
It's them rebooting equipment due to all the upgrades they're adding.
Sent from my MyTouch 4g
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This is very good for a lot of reasons!! Can't wait.
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I just checked settings... battery... cell standby... 45 percent without signal.... anyone else check those stats? I got people telling me they called but no record on my phone
cwalker0906 said:
I just checked settings... battery... cell standby... 45 percent without signal.... anyone else check those stats? I got people telling me they called but no record on my phone
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I've only experienced outright loss of signal once, which was last night. So far nothing else has happened really. It was just odd that my phone won't even go into airplane mode until I rebooted the device.
Same thing happened to me. I was actually quite worried and about to send my phone back. Everything seems to be working okay now. No issues.
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this has driven me mad for the past few days. recently I upgraded to a S3 and my dad got a S 4G (which was released 2 years ago). while we were in Costco, my S3 randomly switched to Edge while the S 4G has 4G all the time. ALso we were on vacation to San Francisco so I could experience "Tmo largest 4G network." While we were in a hotel in Fremont, my S3 again switched to Edge and back to 4G randomly while the S 4G had 4G. also the signal is not stable at all. sometimes(1 or 2 times) it even dropped to zero bar. SOMETHING wrong with samsung phones. I read somewhere someone had this issue with the S2 also. I can live with the HSPA+ for 2 years, but hey dont give me random Edge like that
I plan to go exchange for a new phone at Costco... probably a new S3 to see if the issue still exists...
K12123 said:
My gsiii for some odd reason loses 4G and sometimes even service. Last night when i was on a call, it dropped and the signal reflected that i was running on edge then it switched to someting that said "G." I looked at my brother's siii and he was also on edge. So i tried putting it on airplane mode however it would not go through. It's as if i never pressed anything. So i had to restart the phone and it was on airplane mode, so i took it off then about a minute and a half later i got 4G back. Today when i was browsing the web, i randomly lost 4G again but this time i continued to have signal just no data. About a minute later I got it back. About a minute later i lost it again and regained it about a minute later. I havent noticed anything else about the phone and ive had it for about a week and last night was the first time that i restarted it. Any ideas? Has anyone else experienced this? Thanks!
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Click to collapse
T-Mobile's 4G network works in a interesting way (do all HSPA+ networks work this way?). They idle in UMTS mode (3G) until there is network activity, and then switch to HSPA+ (4G) mode. The network changing is an automatic thing does to save battery life ("Cellular standby" is often the largest battery drains).
Ever use an AOSP-based ROM (i.e. Cyanogenmod)? You'll sometimes see the network indicator in the status bar switch between 3G to H+ to 4G, etc as you use it. Stock T-Mobile ROMs are hard-coded to always say "4G", but if you go to Settings → About phone → Status, you can watch the network type there change as well as the phone does anything over the cellular network.
You should never be dropping to GPRS or EDGE. Perhaps the mechanism described is defective on your phone?
Happened again today. Had signal but no 4G, not even Edge, just bars. i think it happens whenever the signals low. Thoughts?
I'm having the same issue at my work place. I'm getting Edge (50-80%) more often at my desk, when previously with my SGS2 it stayed at 4G all the time. Checking Cellstandby I am getting 31% time without signal.
Is there a setting to force 4g connection?
My office is in Cupertino, CA and reception is not bad in general, but there are a few locations with 4G dead spots.
I'll check my reception again at home (Santa Clara, CA). I can do a side by side comparison with my SGS2 (now belongs to my wife).
On call with TMO right now, they are going to do a reset of the phone in their system, then I will need to do a reboot. Fingers X'd that things will improve.
BTW, what options do I have to get a replacement phone if I bought mine from Walmart? Do I need to send it in or can I do an instore exchange? Just got it on Sunday. Will I incur any fees if I returned the phone?
---
Reset didn't work. Passed on to level 2, there submitting a service request to check reception in the area. Need to follow-up on Friday if the reception is still bad. Since I'm in Cali I do have 30 days to return the phone.
I have similar reception issue but I dont lose signal completely. I will go from 4g(hspa+) to 3g to edge then it will switch back to 4g after 30secs-60secs. Quite annoying since I will be stationary and it will happen and it happens more when Im in a car. Never had this problem when I had the Nexus One.
sfsilicon said:
I'm having the same issue at my work place. I'm getting Edge (50-80%) more often at my desk, when previously with my SGS2 it stayed at 4G all the time. Checking Cellstandby I am getting 31% time without signal.
Is there a setting to force 4g connection?
My office is in Cupertino, CA and reception is not bad in general, but there are a few locations with 4G dead spots.
I'll check my reception again at home (Santa Clara, CA). I can do a side by side comparison with my SGS2 (now belongs to my wife).
On call with TMO right now, they are going to do a reset of the phone in their system, then I will need to do a reboot. Fingers X'd that things will improve.
BTW, what options do I have to get a replacement phone if I bought mine from Walmart? Do I need to send it in or can I do an instore exchange? Just got it on Sunday. Will I incur any fees if I returned the phone?
Click to expand...
Click to collapse
Question. With your s2 what happens if you're in an area without 4g? Do you get edge?
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I am having the same issue. I had perfect 4g coverage all over my town, (I live in south texas). The problems started 2 days ago, when I lost all 4g coverage. I took out my sim card and placed it back in and the 4g logo came back on. But now I have been noticing that my cell signal will completely drop and then slowly come back up. This has happened several times. I also went to tmobile and changed my micro sim card and the issue remains. AND NOW I AM ON EDGE!!!!!
Has anyone been able to get a replacement and did it fix the problem?
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Sorry. Yet Another LTE issue with Rogers (and a twist!)

When I first installed CM10 on my S3 I was having wonky 4G connections. I eventually figured out how to get LTE to stick by switching bearer off LTE, saving, going back in and changing it back to LTE. It worked for me and by the time the dailies arrived I rarely had to touch it.
Today I flashed 10/02 and noticed massive battery drain. I was also getting 4g showing with grey bars, not blue. So I rebooted and began to recharge.
Now I can't get 4g at all. I've messed around with the APN settings over and over without any luck. I just switch back and forth from 3G/H+
I checked my IEMI, Its there as usual.
I tried forcing just LTE through the dialer and just get grey bars (full) without any data connection.
Any ideas? Could my phone be just a dud and the best solution is to revert to stock and return?
Thanks!
realist123 said:
When I first installed CM10 on my S3 I was having wonky 4G connections. I eventually figured out how to get LTE to stick by switching bearer off LTE, saving, going back in and changing it back to LTE. It worked for me and by the time the dailies arrived I rarely had to touch it.
Today I flashed 10/02 and noticed massive battery drain. I was also getting 4g showing with grey bars, not blue. So I rebooted and began to recharge.
Now I can't get 4g at all. I've messed around with the APN settings over and over without any luck. I just switch back and forth from 3G/H+
I checked my IEMI, Its there as usual.
I tried forcing just LTE through the dialer and just get grey bars (full) without any data connection.
Any ideas? Could my phone be just a dud and the best solution is to revert to stock and return?
Thanks!
Click to expand...
Click to collapse
Make sure data is enabled in the settings
data is enabled. I can get 3g/h+.
I also tried loading my last two nandroids. No luch there either.
I have the same problem as you, LTE just suddenly stopped working today, tried everything to get it back but no luck. On Paranandroid..would reflashing the modem/radio help at all?
possibly weak LTE area? seems to always be my problem... i'm on slim rom and can get lte if in the neighbourhood .. lol
Rogers is having problems with LTE today across the country.
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Sometimes things like this make me doubt my reason for sticking with Rogers is reliability. Not just LTE today, there's also suppose to be a problem with RogersOne users in Ontario not being able to make or get calls seems to be fixed now. Had LTE for about 30 secs a minute ago and 4g is still really splotchy and keeps disconnecting.
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They are adding lte coverage to a lot of cities since 01/10. That is why.
Keep calm and wait, don't blame your devices
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I think we were blaming service providers...not device ;p
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Sorry I didn't read everything lol! Just got lte in Quebec city today and everything is fine
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4g no bars at home

Alright well my issue is pretty simple basically at my home I was able to get a cell phone signal last summer when I bought my GS3 it was only 3g but it got the job done. Now it seems that AT&T has expanded LTE to the area but just barley. My phone depending on whether im lucky or not will have 0 bars connection but day it's on 4g LTE yet if I try to text or make a phone call nothing and if a person tries to call me I never get any sort of notification most people think I'm just ignoring their calls because they get rung to voice mail as if it's a normal call. This wouldn't be so bad if dialing data worked but the phone seems to still have no signal when I do that. The APN trick has also failed me.
So my question is, is there somebody else out there that's found a solution? I have searched the forum but to no avail. Maybe I'm just searching the wrong keywords? Any help or suggestions would be appreciated.
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Sent from my SAMSUNG-SGH-I747 using Tapatalk 2
so you've changed nothing on your phone since last summer? just the signal strength began to diminish?
I have gotten all of the ota updates. Was running a custom rom for a while but have been sitting in Stock for about a month now.
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did your problem start before or after your ROM switch a month ago?
xBeerdroiDx said:
did your problem start before or after your ROM switch a month ago?
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Click to collapse
Started around in January. I do know how I can test to see if it is AT&T or my phone any ideas?
DarkredD14 said:
Started around in January. I do know how I can test to see if it is AT&T or my phone any ideas?
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Click to collapse
Toggle airplane mode and see if signals changes. Also flash a different modem. Possible it at&t as mine changes all the time. I'm right on the edge of lte andbin and out all the time.
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hednik said:
Toggle airplane mode and see if signals changes. Also flash a different modem. Possible it at&t as mine changes all the time. I'm right on the edge of lte andbin and out all the time.
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Click to expand...
Click to collapse
Airplane mode definitely did make the signal go up a bit. I am going to try to run different modems the next few days (one each day) and record the results.

4g and no network

4g just started popping up on my phone, but every time it does, I have no network access. Is this a phone issue or Sprint just testing out new towers?
Lte turned off for now. Problem solved.
babyschmoof said:
4g just started popping up on my phone, but every time it does, I have no network access. Is this a phone issue or Sprint just testing out new towers?
Lte turned off for now. Problem solved.
Click to expand...
Click to collapse
It happens to me once in awhile. I will connect to the LTE network but no data. After a min or two it switches back to 3G. The LTE networks are up around me, but I don't think the upgrade is 100% complete. I'm thinking its a Sprint issue.
Sent from my Freeza MD4 Stock Rooted Galaxy S3
TheSocalGuy79 said:
It happens to me once in awhile. I will connect to the LTE network but no data. After a min or two it switches back to 3G. The LTE networks are up around me, but I don't think the upgrade is 100% complete. I'm thinking its a Sprint issue.
Sent from my Freeza MD4 Stock Rooted Galaxy S3
Click to expand...
Click to collapse
It happens to me right outside my house... I get 1 bar of LTE service, but no data. I know they have been updated the network around me and chalk it up to that. I just toggle off LTE or hop on my Wifi.
babyschmoof said:
4g just started popping up on my phone, but every time it does, I have no network access. Is this a phone issue or Sprint just testing out new towers?
Lte turned off for now. Problem solved.
Click to expand...
Click to collapse
From the sounds of it, Sprint is adding 4g to your area. They generally start out in the rural areas and make their way inward. You could be on the boundary and we'll continue to get intermittent signals until the get enough work done to get s stronger signal. Hang in there, it gets better.
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Phone wont connect to 3g when set to CDMA\LTE\EVDO mode

I have an interesting issue. My wife and I both have Note II's. I have a grey one, she has a white one. Both are on the latest Stock Rom and rooted, same kernel and modem revisions. Both phones on the dreaded 2000 PRL (Havent got around to flashing another one because we have an Airave 2.5)
My phone will not connect to 3g at all when I have LTE enabled. The other phone connects to 3G just fine with LTE enabled.
I have another friend that only sporadically connects to 3g with LTE enabled. If I set the phones that wont stay connected to 3G to CDMA mode everything is fine.
Any ideas?
Try automatic?
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Does this happen around the airave? Airaves are known to cause a host of isues with rooted phones even with no custom roms
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The only way to get 3g when lte is enabled is when you lose lte sinal is you just want to use 3g set it to cdam mode only if you set it to lte
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Cdma only or global
I was reading some other sites and threads after I encountered a problem almost just like this because I had switched my signal type while on AOSP.
I discovered that because our phone are global they have different connection setting and in short when you switch to either global mode or CDMA only, and try to go back to lte evdo the phone will roam constantly and will not be able to reconnect to lte. So while I was trying to fix my LTE I managed to force my LTE on but I wasnt getting any cdma or evdo. finally I got everything back to normal by flashing a back to stock rom and doing a hands free activation.
I'm also have an overwhelming time with 3g. I have no lte in my area but have tried both CDMA only and CDMA/let settings. My 3g is on and off within 1 minute intervals or hours at a time. I pretty much have no data connection 95% of the day, until I get home from work and can hit WiFi.
I'm just stock rooted on MC2 and also on prl 2000.
I've been on the phone with sprint for days trying to figure this out or get them to waive my ETF. I refuse to keep paying for service when I am not getting any. It's bad enough they don't have 4G much less LTE here, but I can't continue to do these sub par dialup speeds to no speeds.
Any other tips to try would be greatly appreciated. As sprint says everything is fine in my area...
Go figure.
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Yeah, same problem here. Somehow after rooting the phone i completely lost 4G LTE connectivity. Now everywhere i go it's only on 3G or EvDo Rev-8 which sucks. I think the only way of fixing toys issue is to Unroot and go back to stock ROM.
After doing a lot of research on the matter that is the only solution right now to our 4G LTE catastrophe. :thumbdown:
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