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Keeps dropping network

Woke up this morning, no service, keeps saying current network (T-Mobile) is unavailable, the only way it'll work is if I pull sim card out, power it down, reinsert it and start it back up, it'll work fine for about half an hour and drops network again.
I'm running latest mahdi ROM, nothing else modified.
Any help appreciated.
BTW sim card is relatively new( about 5 months old)

Try a different ROM and if it still does it RMA the device I was having problems with service to where when I was using data it would decide to switch to h/3g I'm on T-Mobile as well

spinninbsod said:
Try a different ROM and if it still does it RMA the device I was having problems with service to where when I was using data it would decide to switch to h/3g I'm on T-Mobile as well
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Thanks for the suggestion, i don't think its the ROM, but to put my mind and ease and eliminate that possibility I'll flash another ROM tonight.
Btw how does the RMA work? I've never had to go through this before
Thanks

If you purchased it through T-Mobile just call T-Mobile and tell them you're having problems with it and just do troubleshooting stuff and if what they say doesent work unroot it and send it back and if you purchased it through google same exact thing

Although I bought it brand new, it wasn't from Google or T-Mobile itself. If I can't rectify this with software I'll have to contact lg and see what they say

No bueno, flashed other ROM and currently on stock ROM still having same problem, service drops off rendering phone useless. Emergency calls only is all i get.
Any advice?

Try going to the service menu which you can get into by dialing *#*#4636#*#* in dialer. Go into phone information and try changing this setting:
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Since you're on t mobile I'd recommend trying anything but CDMA. WCDMA is fine though. Maybe one of the options will help solve your connectivity issues.
Personally I'm on WCDMA only when connected to WiFi. This gives me 3G. Otherwise I am on LTE only. GSM should give you 2g.
Sent from my Nexus 5 using XDA Free mobile app

e4604 said:
Woke up this morning, no service, keeps saying current network (T-Mobile) is unavailable, the only way it'll work is if I pull sim card out, power it down, reinsert it and start it back up, it'll work fine for about half an hour and drops network again.
I'm running latest mahdi ROM, nothing else modified.
Any help appreciated.
BTW sim card is relatively new( about 5 months old)
Click to expand...
Click to collapse
Have you tried different modem?

Figured it out, in short I got scammed. Called tmobile today, they blacklisted the phone for non payment, I guess the guy that sold it to me hadn't paid it off/paid. I guess lesson learned, call service provider and make sure device is paid off.
It still works with att. At this point I'll sell it as such and or for parts.
Thanks everyone

WiFi Calling - AT&T

I am trying to figure out if WiFi calling is enabled or not on this phone. I cannot find it in the settings. I know for Sprint this is turned on, But I know on the S6 Edge this feature was hidden and could be used with a root.
When making a call connected to WiFi I have had a message that stated it was using standard cellular connection and rates would apply. But then when making another call I did not receive that message. In the call log next to one of my calls is a WiFi Logo. So I am trying to figure if its on.....and if not how can I get it?

xx8josh9xx said:
I am trying to figure out if WiFi calling is enabled or not on this phone. I cannot find it in the settings. I know for Sprint this is turned on, But I know on the S6 Edge this feature was hidden and could be used with a root.
When making a call connected to WiFi I have had a message that stated it was using standard cellular connection and rates would apply. But then when making another call I did not receive that message. In the call log next to one of my calls is a WiFi Logo. So I am trying to figure if its on.....and if not how can I get it?
Click to expand...
Click to collapse
Only avilable for iPhones for now.
" COMPATIBILITY
Devices that support Wi-Fi Calling
We’re proud to offer Wi-Fi Calling on iPhone, the phone that’s absolutely beautiful and simple to use. Enjoy Wi-Fi Calling on these models**:
• iPhone 6s
• iPhone 6s Plus
• iPhone 6
• iPhone 6 Plus
**iOS 9.3 must be installed. "

same thing here
xx8josh9xx said:
I am trying to figure out if WiFi calling is enabled or not on this phone. I cannot find it in the settings. I know for Sprint this is turned on, But I know on the S6 Edge this feature was hidden and could be used with a root.
When making a call connected to WiFi I have had a message that stated it was using standard cellular connection and rates would apply. But then when making another call I did not receive that message. In the call log next to one of my calls is a WiFi Logo. So I am trying to figure if its on.....and if not how can I get it?
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Click to collapse
Hi Notice the same on my Galaxy S7 edge from at&t.
Yesterday I made an international call and I notice that it was through WIFI but there's no wi-fi calling settings in this phone.
Does anybody knows if this feature still in beta or what does this icon means?
http://postimg.org/image/sq8gppnpp/
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chekazo said:
Hi Notice the same on my Galaxy S7 edge from at&t.
Yesterday I made an international call and I notice that it was through WIFI but there's no wi-fi calling settings in this phone.
Does anybody knows if this feature still in beta or what does this icon means?
http://postimg.org/image/sq8gppnpp/
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Click to collapse
You sure that wasn't through google voice? Might be registering wrong?

psufan5 said:
You sure that wasn't through google voice? Might be registering wrong?
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Click to collapse
It was an international call using the native dialer.

chekazo said:
It was an international call using the native dialer.
Click to expand...
Click to collapse
I've been seeing the wifi icon on my phone as well. Seems to be random, went back through my call logs and it happen once on the 13, 12th, 11th, then back on the 9th and 8th. I caught it because I have really bad signal at work but I connect to their wifi network, I received a call one day and noticed I was able to talk for more than a few seconds without it dropping the call. Also I do not or have ever used google voice

Poor GPS Signal

Has anyone noticed the GPS signal strength is rather poor compared to other phones.
I have my 6yr old HTC incredible and it can keep a lock better.
As a hobby, I like to record GPS tracks when on an airplane as I travel alot. That is a good test environment as the signal is typically poor. When I have both phones on side by side, I will see that the satellite signal levels are about the same from both eventhough the Z5 is capable of seeing more satellites. However, the HTC is capable of holding a lock for nearly the entire flight whereas the Z5 will often lose a lock randomly.
Sometimes, I will notice the Z5 not getting a GPS lock even in my car (although this is rare)
I asked Sony support about this. They claim GPS wont work in a plane eventhough I've recorded hundreds of tracks. Then they said they'd forward this concern to the engineers to perhaps get improved in a future firmware.

eng3 said:
Has anyone noticed the GPS signal strength is rather poor compared to other phones.
I have my 6yr old HTC incredible and it can keep a lock better.
As a hobby, I like to record GPS tracks when on an airplane as I travel alot. That is a good test environment as the signal is typically poor. When I have both phones on side by side, I will see that the satellite signal levels are about the same from both eventhough the Z5 is capable of seeing more satellites. However, the HTC is capable of holding a lock for nearly the entire flight whereas the Z5 will often lose a lock randomly.
Sometimes, I will notice the Z5 not getting a GPS lock even in my car (although this is rare)
I asked Sony support about this. They claim GPS wont work in a plane eventhough I've recorded hundreds of tracks. Then they said they'd forward this concern to the engineers to perhaps get improved in a future firmware.
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Haven't got any issues with GPS lock outdoor, but you might need be on the window side on your next flight to get a better reception. =)
The thing that i noticed mostly with Z5, is they have quite weak receiver antenna's wherein even cellular signal is very weak compared to 1 year old phone.

redjge said:
Haven't got any issues with GPS lock outdoor, but you might need be on the window side on your next flight to get a better reception. =)
The thing that i noticed mostly with Z5, is they have quite weak receiver antenna's wherein even cellular signal is very weak compared to 1 year old phone.
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I always sit on the window side and it doesnt matter since I stated that I in comparison to another phone side by side by side, the Z5 is much worse. Unless you normally look at the signal levels you probably would notice just driving around outside.
Like you, I also noticed the cell antenna is worse too.

Made a quick research for the Z5 teardown, based on it only has a small antenna at the lower back of the unit.
Seems this might be the reason for very weak receptions we are experiencing with this unit.
Hope their engineers can make an improvement via software or radio drivers and release it sooner.
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The small "L" looking bar on the center, together with the board is the GPS antenna (most likely)

Mobile data connection freezing problems - G930F

I bought my S7 less than a week ago and I notice something odd happening with my mobile data connection.
When I'm using 3G (Mobilcom-debitel_Vodafone/Germany), my connection is consistently laggy. Every action that I require connection for takes a couple of seconds to be executed, if executed at all. For instance, click to download an image/audio/video/etc in whatsapp, it takes 5+ sec to start the download; open the browser, takes 5+ sec to load the page; open Deezer, takes 5+ sec to start loading the data... and so on. I notice this problem since the first time I used 3G on the phone. Everything is up-to-date and I installed the phone from scratch, app by app, no backup/transfer from other phone. On my previous S6 I didn't have this problem.
Some information that might be useful:
- I use 3G/2G (auto-connect), no LTE/3G/2G
- I'm usually with BT/Wifi/3G enabled at the same time, not necessarily connected to a device or network
- The data icon keeps the up arrow on, but the down arrow off until I actually receive data and the request is processed
- If I try to turn off the mobile data connection/put in airplane mode, it takes the same amount of time for the connection icon to disappear (5+ seconds)
Is it a known issue? Anyone with the same problem?

Try to restore your phone. helped me with the same problem.
Sent from my SM-G930F using Tapatalk

orel18i said:
Try to restore your phone. helped me with the same problem.
Sent from my SM-G930F using Tapatalk
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Just checking: you know that the phone is brand new, 2 days old, right? Just checking... Also, since the first time I went outside to use 3G I noticed the problem.

Did you have this Problem by using WiFi only?
2nd Option is run a Speedtest (Ookla) to Check the ping.

Hi-TechUp said:
Did you have this Problem by using WiFi only?
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No, I haven't. Just my usual ****ty router problems, but other than that the wifi is fine.
Hi-TechUp said:
2nd Option is run a Speedtest (Ookla) to Check the ping.
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I did it already and there are no problems there, as you can see below. 3G speed on my plan is limited to 21mbps.
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On a side note, I did a reset of the network settings and apparently it got better. I'm still testing it, can't say yet it's fixed, but I noted some improvement for sure.

hknoener said:
Just checking: you know that the phone is brand new, 2 days old, right? Just checking... Also, since the first time I went outside to use 3G I noticed the problem.
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Click to collapse
Yeah, I know it's happened to me too with a brand new Galaxy s7

orel18i said:
Yeah, I know it's happened to me too with a brand new Galaxy s7
Click to expand...
Click to collapse
As I posted, resetting network settings was apparently a solution, but this morning it was clear that something was still pretty odd.
I will consider starting from scratch. I'm so lazy, it takes a long while to config the whole phone again, but apparently it's worth a try.

Rom or just poor radio on 8T?

So my 8T is converted to global, and I have the EU 11.0.6.9 update installed.
I'm not sure if its just the updates or just the phone in general but I noticed it struggles, or rather sucks in certain areas that do not have the greatest reception in comparison to iPhones. I was recently on a job, where just about everyone with an iphone was able to lock in with a decent signal, meanwhile my 8T couldn't even get a single bar. Same carriers too.(TMO)
Anyone else notice this?

I think it's just the phone. There's an area on the highway near my house that has a low signal (in between two cell towers) and the 8T will drop out with no signal, where every other phone will be able to maintain at least 1 bar.

Oddly enough I've been signal in places where I didn't get signal with my last phone? Same sim card, both phones were running Lineage.
Of course there are so many factors, it's going to be hard to get "real" results.

Coderedpl said:
So my 8T is converted to global, and I have the EU 11.0.6.9 update installed.
I'm not sure if its just the updates or just the phone in general but I noticed it struggles, or rather sucks in certain areas that do not have the greatest reception in comparison to iPhones. I was recently on a job, where just about everyone with an iphone was able to lock in with a decent signal, meanwhile my 8T couldn't even get a single bar. Same carriers too.(TMO)
Anyone else notice this?
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Click to collapse
If you happen to have the R14 or newer SIM card and 5G turned on, your phone could be preferring upgraded Sprint band 41 over other frequency bands. I've found that in some areas this doesn't work so well because the band is really touchy without having overlapping coverage. For that reason I change my data setting to 4G/3G/GSM. I don't believe the iPhones have that band or access to that band yet. It depends on the iPhone I guess.

I have a Sprint purchased, on TMO sim card per their instructions after the merger. I'm seriously considering MSM back to the T-Mobile software. For the simple reason of what you just described. I was blazingly fast 5G before the conversion. Now I struggle with even connection on Wi-Fi calling or no connection for phone calls at all out of my house it's horrible.
And what the hell is the the H in my data on notification bar.
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The room may have put an older baseband on the phone which can causes issues like this.