constant signal loose - Xperia Z3 Q&A, Help & Troubleshooting

Hi experts,
I constantly loose signal on the phone, the phone is stock not rooted.
i tried to switch airplane mode on/off without success only reboot to the device sorts this out.
im on FW .77
does some else experience this issue with the phone? is there anything i can check that will point me in the direction of resolving this?
thanks
M.

Try changing APN from Sony GRPS to one of the other alternatives.

It's set to Vodafone my local provider

Worked for me.
Try to re download APN as below, worked for me.
Settings
Wireless & Network
Mobile networks
Access point names
Three dots top right, then Reset to default
Back button twice to Wireless & networks screen
Internet settngs
Select your network provider from list.
---------- Post added at 01:27 PM ---------- Previous post was at 01:10 PM ----------
Sometimes if you select a different connection point from the list in "Network operators" that works to, i.e.. I have loades of EE connections points, I sometimes select a none 4G one for a better signal.
Settings
Wireless & Network
More
Mobile networks
Network operators

No luck... Could it be the sim card itself?

Related

[Q] No Hidden WIFI in Mango RTM 7720!!

I have the LG-E900h on AT&T.
Got the 7720 build 2 days ago but when I go to Wi-Fi, Advanced, there is NO + button at the bottom, just Select and Delete.
Anyone else have this issue, or know a way to fix it??
Im using a HTC 7 and ive got the + all ok
I have it on at&t
---------- Post added at 01:14 PM ---------- Previous post was at 01:09 PM ----------
just waiting for at&t to enable visual voice mail for my Samsung focus
HTC HD2 with zune updates and no hidden wifi options here too
FYI please turn on yr WiFi first... If WiFi is not turned on the plus button will not be seen..
Wi-Fi is on, I can see other networks that are broadcasting the SSID, but still no + sign under Advanced.
No "+" under Advanced on WiFi settings on my LG Quantum from AT&T either (using RTM Mango).
Maybe there's a registry setting somewhere to show the "+" icon.
Hi
I have a LG with mango a no hidden wifi.. On my other phone HD7 Hidden wifi is present
so LG did not enable Hidden wifi
Any way to enable the hidden wifi function?
According to AT&T
http://att.deviceanywhere.com/LGQuantum/tutorials/14501
The "+" sign should be there on the LG Quantum!?!?
I just checked, and I'm happy I have it, but what would I need it for?
rbrsddn said:
I just checked, and I'm happy I have it, but what would I need it for?
Click to expand...
Click to collapse
?? to connect to wi-fi networks with hidden SSID!?! There are a many locations that I would like to use the wifi and have no control over whether or not the SSID is hidden. Lucky you, you can.

[Q] No network after installing CM10 on tipo

I managed to install CM10 on my tipo but now I have no network to make or receive calls or texts and i can't seem to find out where i can choose my network.
When I go to settings>wireless and networks>more> it gives me the options of Airplane mode, VPN, Tethering & portable hotspot, and mobile networks. Clicking on mobile networks gives me data enabled (on or off), data roaming (on or off), national data roaming (on or off), and system select (home only and automatic)
Can anyone help please?
Thank you
edited to add....
I ticked on airplane mode, then ticked it off again and the type PIN code for the SIM appeared so I entered my PIN and in the wireless and network settings area, the airplane mode has disappeared, but added to the list is Access Point Names, Use only 2G networks (on or off), and Network Operators. When I select Network Operators, the phone searched for networks and returns with four Unknown networks and choose automatically which I did. I seem to have a signal now but I don't know if its on my network or how it is working (I'm on Three) as there is no indication as to what network I am on. I've rebooted and tried again but its still the same
delzep said:
I managed to install CM10 on my tipo but now I have no network to make or receive calls or texts and i can't seem to find out where i can choose my network.
When I go to settings>wireless and networks>more> it gives me the options of Airplane mode, VPN, Tethering & portable hotspot, and mobile networks. Clicking on mobile networks gives me data enabled (on or off), data roaming (on or off), national data roaming (on or off), and system select (home only and automatic)
Can anyone help please?
Thank you
edited to add....
I ticked on airplane mode, then ticked it off again and the type PIN code for the SIM appeared so I entered my PIN and in the wireless and network settings area, the airplane mode has disappeared, but added to the list is Access Point Names, Use only 2G networks (on or off), and Network Operators. When I select Network Operators, the phone searched for networks and returns with four Unknown networks and choose automatically which I did. I seem to have a signal now but I don't know if its on my network or how it is working (I'm on Three) as there is no indication as to what network I am on. I've rebooted and tried again but its still the same
Click to expand...
Click to collapse
Hi,
I have the same problem with my Xperia J, Flashed CM10. Bluetooth and WiFi work fine. But no network service. Couldnt find the reson or solution to this yet.
Did you fix the problem on your phone??
Thanks!
please chek *#*#7278432#*#*
& look simlock
Sent from my GT-S5570L using Tapatalk 2
Delzep - are you using tipo single or dual sim?
JL93 were you on stock jb before flashing cm10 Rom? You must be on ics, then flash cm10 Rom. Try flashing ics ftf now.
Sent from my ST27i

[Q] trouble finding apn menu

I have 2 N5's, but under settings>more>mobile networks I dont have Access Point Names. All i've got is Data enabled/Data roaming/ Network mode/ system select/ and carrier settings. So now I would like to put my AT&T sim in and actually use LTE, but no APN menu. These are Sprint N5's not that that should change anything. Thx for any help.
phrozin said:
I have 2 N5's, but under settings>more>mobile networks I dont have Access Point Names. All i've got is Data enabled/Data roaming/ Network mode/ system select/ and carrier settings. So now I would like to put my AT&T sim in and actually use LTE, but no APN menu. These are Sprint N5's not that that should change anything. Thx for any help.
Click to expand...
Click to collapse
Its not in Carrier setting too?!?
-PS. I havent used a LTE phone -
nijom said:
Its not in Carrier setting too?!?
-PS. I havent used a LTE phone -
Click to expand...
Click to collapse
I wish, just Update PRL, and Update Profile. so far I have not been able to find it anywhere
Now on my Samsung Galaxy Note LTE, it's easy to find lol.
by the way, just to help someone help me, I'm on kit kat build version: KRT16M. Baseband M8974a-1.0.25.0.17; Kernel: 3.4.0-g9eb14ba
On my Nexus 5, it's located under "Settings", then right under Data usage there is a "More..." tab.
That takes you to a new screen and under "Mobile networks" is the APN.
I'm on Telus, if that makes any difference.
---------- Post added at 02:31 PM ---------- Previous post was at 02:26 PM ----------
phrozin said:
I have 2 N5's, but under settings>more>mobile networks I dont have Access Point Names. All i've got is Data enabled/Data roaming/ Network mode/ system select/ and carrier settings. So now I would like to put my AT&T sim in and actually use LTE, but no APN menu. These are Sprint N5's not that that should change anything. Thx for any help.
Click to expand...
Click to collapse
I also think you have to have a sim card in place for the "APN" to be visible or active.
lampthis said:
On my Nexus 5, it's located under "Settings", then right under Data usage there is a "More..." tab.
That takes you to a new screen and under "Mobile networks" is the APN.
I'm on Telus, if that makes any difference.
---------- Post added at 02:31 PM ---------- Previous post was at 02:26 PM ----------
I also think you have to have a sim card in place for the "APN" to be visible or active.
Click to expand...
Click to collapse
Yep, that's right where I'm used to seeing it. I'm guessing that Sprint has "hacked" the 4.4 OS and hidden the APN menu or something. I went into the store today and asked where it was and they didn't know (no shock there), but when they tried to update my tower settings they did a *#*#72786#*#* to reset the phone, and then did the *#*#8232#*#* and did some stuff that they wouldn't allow me to see.....
Anyone have an idea if the T-mobile N5's have been "molested"? IE APN menus and such are where they should be?
ok, after some more digging, it looks like the APN settings are all under the data menu using the *#*#3282#*#* to access it. It's all broken up instead of being in one list like in 4.3 and prior, but it looks like it's all there. now to find some apn settings for Sprint and AT&T to do some testing.
phrozin said:
ok, after some more digging, it looks like the APN settings are all under the data menu using the *#*#3282#*#* to access it. It's all broken up instead of being in one list like in 4.3 and prior, but it looks like it's all there. now to find some apn settings for Sprint and AT&T to do some testing.
Click to expand...
Click to collapse
Its my understanding these are the same model phone. You might want to try just putting in your AT&T SIM if you haven't done that already. On my previous phone (Verizon Note 2), that changed carrier specific settings and loaded the APN automatically. You shouldn't have to do any dialer menu magic for GSM service. When I activated my Nexus 5 on AT&T we just stuck in the SIM and the AT&T rep configured stuff on his computer, nothing more needed to be done on my phone.
Yup, it worked without a hitch. Soon as I put in the AT&T sim the APN menu was right were it should be. Service was fast and clean. Putting the sprint sim back in proved problematic, but nothing a system restore couldn't fix. Thanks for all the help
Sent from my Nexus 5 using XDA Premium 4 mobile app

ATT 5.0.1 to 5.1.1PR LTE connection issues

Hey everyone. I managed to go from 5.0.1 to 5.1.1PR but now I'm running in to an issue where I cannot send/receive data (play store, email, maps, etc). I can, however, send text and make calls. I went through the hidden menu setup with no luck. I've already tried the following: Restart (obviously), Factory reset, Reinstalling 5.1.1, APN settings. All no luck. Has anyone had a similar issue or does anyone have an idea of how I can fix this? Thanks!
I'm in the same boat and have done the same. I should of rooted and just removed what bloat I could. Which carrier are you using? Also, did you unlock your phone before going to 5.1.1PR? I didn't unlock my phone using the unlock code so I wonder if that could be causing an issue?
Funny. I'm having the exact opposite. I have LTE data, but cannot call or receive calls. I bought the phone stuck at AT&T logo thinking there was an att tot file. Instead used 950 5.1.1 PR.
Sent from my LG-D850 using XDA Free mobile app
ckrohrer72 said:
Funny. I'm having the exact opposite. I have LTE data, but cannot call or receive calls. I bought the phone stuck at AT&T logo thinking there was an att tot file. Instead used 950 5.1.1 PR.
Sent from my LG-D850 using XDA Free mobile app
Click to expand...
Click to collapse
Weird. I want to flash back to stock (ATT) but am almost certain I'm going to brick it. I'm pretty stuck in my current situation as I imagine you are, too.
jsquared92 said:
Weird. I want to flash back to stock (ATT) but am almost certain I'm going to brick it. I'm pretty stuck in my current situation as I imagine you are, too.
Click to expand...
Click to collapse
I can replicate your situation by using LTE Band 4. When i try to make a call it immediately ends.
If you try Band 17 do you still have the same trouble? Did you try playing around with the LTE Bands and LTE-CA config?
277634#*#, Field Tests, LTE BAND
277634#*#, Field Tests, LTE-CA
---------- Post added at 05:40 PM ---------- Previous post was at 05:29 PM ----------
jsquared92 said:
Hey everyone. I managed to go from 5.0.1 to 5.1.1PR but now I'm running in to an issue where I cannot send/receive data (play store, email, maps, etc). I can, however, send text and make calls. I went through the hidden menu setup with no luck. I've already tried the following: Restart (obviously), Factory reset, Reinstalling 5.1.1, APN settings. All no luck. Has anyone had a similar issue or does anyone have an idea of how I can fix this? Thanks!
Click to expand...
Click to collapse
If you have also rooted your phone, you can try getting rid of 80% of the Claro settings and brandings (boot animation etc...) deleting (or moving safer-moving) the /cust/CLR_PR folder and all of its contents. I moved the entire folder to my downloads folder and rebooted. First reboot I didn't get any boot animation, instead I got a dialog box with the good old android is working spinner, but subsequent reboots are now using the stock LG boot animation and configs. GSM/WCDMA/LTE auto is also now available from the standard network operator menu...
One thing I will point out is that I am NOT SURE if I am actually getting LTE speeds, I only see the 4G icon, not the LTE icon in the status bar. About Phone -> Network is showing LTE though.
Good luck, if you try this and blow something up, please don't blame me - but hey at this point what do you have to lose?
Why can't we just flash back to AT$T 5.1?
I tried band 4 and then I lose my signal altogether.
I checked speed and download was in the high 30s upload only around 3 or 4.
---------- Post added at 05:40 PM ---------- Previous post was at 05:29 PM ----------
[/COLOR]
If you have also rooted your phone, you can try getting rid of 80% of the Claro settings and brandings (boot animation etc...) deleting (or moving safer-moving) the /cust/CLR_PR folder and all of its contents. I moved the entire folder to my downloads folder and rebooted. First reboot I didn't get any boot animation, instead I got a dialog box with the good old android is working spinner, but subsequent reboots are now using the stock LG boot animation and configs. GSM/WCDMA/LTE auto is also now available from the standard network operator menu...
One thing I will point out is that I am NOT SURE if I am actually getting LTE speeds, I only see the 4G icon, not the LTE icon in the status bar. About Phone -> Network is showing LTE though.
Good luck, if you try this and blow something up, please don't blame me - but hey at this point what do you have to lose?[/QUOTE]
Tried rooting and removing /cust file. Still no luck.
Well....I figured it out..at least what my issue was. Sort of feel like an idiot...lol. Even though the network auto detection found Cricket I went into the APN settings and plugged in the data below. It immediately displayed HSPA+ in the top right corner where the signal is. I confirmed it got me online so then I dialed the 277634#*# to set the LTE using the settings from the initial post. It should be LTE because the HSPA+ would be half the download speed. Looks like my typical results on the LTE Moto G. This may not help the user who can't make calls but has data. Hopefully it helps others.
Name: ATT Phone
APN: phone
Proxy: Not set
Port: Not set
User name: Not set
Password : Not set
Server: Not set
MMSC: http://mmsc.mobile.att.net
MMS proxy: proxy.mobile.att.net
MMS Port: 80
MCC: 310
MNC: 150
Authentication type: None
APN type: default,mms,supl
APN protocol: IPv4
Enable/disable APN: APN enabled
Bearer: Unspecified
:good::good::good::good::good:
I archived the /cust/CLR_PR , then removed the original directory. Rebooted the device and now LTE is working for T-mobile! Amazing! I wonder what was in the Claro configuration that messed up with the LTE settings....
fuzion9 said:
I can replicate your situation by using LTE Band 4. When i try to make a call it immediately ends.
If you try Band 17 do you still have the same trouble? Did you try playing around with the LTE Bands and LTE-CA config?
277634#*#, Field Tests, LTE BAND
277634#*#, Field Tests, LTE-CA
---------- Post added at 05:40 PM ---------- Previous post was at 05:29 PM ----------
If you have also rooted your phone, you can try getting rid of 80% of the Claro settings and brandings (boot animation etc...) deleting (or moving safer-moving) the /cust/CLR_PR folder and all of its contents. I moved the entire folder to my downloads folder and rebooted. First reboot I didn't get any boot animation, instead I got a dialog box with the good old android is working spinner, but subsequent reboots are now using the stock LG boot animation and configs. GSM/WCDMA/LTE auto is also now available from the standard network operator menu...
One thing I will point out is that I am NOT SURE if I am actually getting LTE speeds, I only see the 4G icon, not the LTE icon in the status bar. About Phone -> Network is showing LTE though.
Good luck, if you try this and blow something up, please don't blame me - but hey at this point what do you have to lose?
Click to expand...
Click to collapse
I deleted the CST folder and then rebooted however the Clara animation is still there and the mobile network preference is still the same.. Any ideas?
Thanks,
Chris
---------- Post added at 11:06 PM ---------- Previous post was at 11:03 PM ----------
Can you tell me how you deleted the CUST folder? I used a root file manager and deleted it, however when I reboot it reappears...
Any help would be appreciated.. Trying to use the phone on TMO as well.
Thanks,
Chris
cyberta0 said:
:good::good::good::good::good:
I archived the /cust/CLR_PR , then removed the original directory. Rebooted the device and now LTE is working for T-mobile! Amazing! I wonder what was in the Claro configuration that messed up with the LTE settings....
Click to expand...
Click to collapse
Awesome, glad its working... I started comparing the XML configs between CLR_PR and the original files in /system/etc, /system/media, etc.. but soon i gave up, just too much to go through, so I deleted the entire directory after i realized that if an overriding config was not found in the cust folder android would happily look in the original location and just use whatever defaults it had.
---------- Post added at 02:37 AM ---------- Previous post was at 02:31 AM ----------
Walkamo said:
I deleted the CST folder and then rebooted however the Clara animation is still there and the mobile network preference is still the same.. Any ideas?
Thanks,
Chris
---------- Post added at 11:06 PM ---------- Previous post was at 11:03 PM ----------
Can you tell me how you deleted the CUST folder? I used a root file manager and deleted it, however when I reboot it reappears...
Any help would be appreciated.. Trying to use the phone on TMO as well.
Thanks,
Chris
Click to expand...
Click to collapse
Sure, I used ex file explorer, enabled root explorer, navigated to "/cust" and then deleted the folder. That should be it, i don't think there is any type of persistent backup of the contents there.
Wow, for me after I flashed the 5.1.1 PR I got the 2G/3G/LTE option right away, and it was set at 2G/3G/LTE already. Also LTE worked just fine from the beginning, didn't even have to enter hidden menu. We use band 4 here, maybe the phone is already set for that band? But the LTE option appearing right away is weird I guess.
Now I don't know if I should root it to remove the Claro branding (especially the boot animation, hate that one)...
elpibemaxi said:
Wow, for me after I flashed the 5.1.1 PR I got the 2G/3G/LTE option right away, and it was set at 2G/3G/LTE already. Also LTE worked just fine from the beginning, didn't even have to enter hidden menu. We use band 4 here, maybe the phone is already set for that band? But the LTE option appearing right away is weird I guess.
Now I don't know if I should root it to remove the Claro branding (especially the boot animation, hate that one)...
Click to expand...
Click to collapse
We use 17 (and 4 for LTE-CA)
Are you showing LTE or 4G as the symbol in the status bar?
fuzion9 said:
We use 17 (and 4 for LTE-CA)
Are you showing LTE or 4G as the symbol in the status bar?
Click to expand...
Click to collapse
It was showing LTE (not now though, don´t have 4G coverage here)
Excellent asvice. I deleted cust_pr then factory reset. Lte band 4 tmobile is connecting right away. I set up apn a fast.T-Mobile.com and getthe 4g symbol but speedtest shoows 30mbps down ans 12mbps up. I am in l.a.
eppyramot said:
Excellent asvice. I deleted cust_pr then factory reset. Lte band 4 tmobile is connecting right away. I set up apn a fast.T-Mobile.com and getthe 4g symbol but speedtest shoows 30mbps down ans 12mbps up. I am in l.a.
Click to expand...
Click to collapse
Glad you found it useful!
I really wish I knew more about the symbols and what they mean. My phone is clearly using LTE on Band 17. according to About Phone, and LTE Discovery, but the symbol I see is 4G, not LTE.
---------- Post added at 03:00 PM ---------- Previous post was at 02:59 PM ----------
elpibemaxi said:
It was showing LTE (not now though, don´t have 4G coverage here)
Click to expand...
Click to collapse
So you see LTE and I see 4G... I don't get it.
jsquared92 said:
---------- Post added at 05:40 PM ---------- Previous post was at 05:29 PM ----------
[/COLOR]
If you have also rooted your phone, you can try getting rid of 80% of the Claro settings and brandings (boot animation etc...) deleting (or moving safer-moving) the /cust/CLR_PR folder and all of its contents. I moved the entire folder to my downloads folder and rebooted. First reboot I didn't get any boot animation, instead I got a dialog box with the good old android is working spinner, but subsequent reboots are now using the stock LG boot animation and configs. GSM/WCDMA/LTE auto is also now available from the standard network operator menu...
One thing I will point out is that I am NOT SURE if I am actually getting LTE speeds, I only see the 4G icon, not the LTE icon in the status bar. About Phone -> Network is showing LTE though.
Good luck, if you try this and blow something up, please don't blame me - but hey at this point what do you have to lose?
Click to expand...
Click to collapse
Tried rooting and removing /cust file. Still no luck.[/QUOTE]
I moved the cust_pr file and got the exact same results in that the phone now shows 4g but says LTE in about phone, and the speedtest app confirms I am getting full speed at least for Cricket (8mbps) down.
Many parts of the world use 4G to represent LTE and H/H+ to mean 3G data. In the US, we get 4G for H/H+ and LTE because of carrier marketing. Since you removed the custom Claro profile, the phone is now showing the default symbol for LTE as "4G".
timumi said:
Many parts of the world use 4G to represent LTE and H/H+ to mean 3G data. In the US, we get 4G for H/H+ and LTE because of carrier marketing. Since you removed the custom Claro profile, the phone is now showing the default symbol for LTE as "4G".
Click to expand...
Click to collapse
makes sense, every other indicator points to lte... thanks.

Telstra Xperia Z3 not working with iiNet Data

My friend received an Xperia Z3 from Telstra as part of his plan and I got an iPhone 6 as part of my iiNet one. I hated the iPhone 6 and he hated the Xperia, so we swapped after looking up online that they are both unlocked out of the box. Everything seems fine except that my mobile data doesn't work, in the upper left corner it shows iiNet (the right carrier) but I cannot seem to get my mobile data to work. Is this a problem with the unit itself or with the fact that we swapped phones?
You'll need to configure your APN settings since Telstra phones only come with their settings.
Visit iiNet's website for their APN settings then head to Settings -> Mobile Network -> APN and add them there. Save then enable.
---------- Post added at 04:01 PM ---------- Previous post was at 03:57 PM ----------
Their website doesn't actually have it as far as I can tell, have sourced it for you here.
Danz207 said:
You'll need to configure your APN settings since Telstra phones only come with their settings.
Visit iiNet's website for their APN settings then head to Settings -> Mobile Network -> APN and add them there. Save then enable.
---------- Post added at 04:01 PM ---------- Previous post was at 03:57 PM ----------
Their website doesn't actually have it as far as I can tell, have sourced it for you "]
Click to expand...
Click to collapse
Thanks for your fast reply. I have entered the internet and mms an settings as two separate entries into my apn settings and restarted my device but if I turn off WiFi and mobile data on, chrome still tells me I am offline if I try to load a website. Do you know what I might be doing wrong? Thanks for helping a technology newb like me out, I really appreciate it
TacticalDonutz said:
Thanks for your fast reply. I have entered the internet and mms an settings as two separate entries into my apn settings and restarted my device but if I turn off WiFi and mobile data on, chrome still tells me I am offline if I try to load a website. Do you know what I might be doing wrong? Thanks for helping a technology newb like me out, I really appreciate it
Click to expand...
Click to collapse
Hmm that's weird. Had the same problem on Reddit where a Canadian couldn't get their M7 to work with iiNet mobile data but their calls and texts were fine. Are you absolutely sure that the internet one is selected in Mobile Data settings?
Danz207 said:
Hmm that's weird. Had the same problem on Reddit where a Canadian couldn't get their M7 to work with iiNet mobile data but their calls and texts were fine. Are you absolutely sure that the internet one is selected in Mobile Data settings?
Click to expand...
Click to collapse
Yeah it is... For the apn type for the inter net one, do I type "default or internet"? Or just one of them?
I got it to work in the end but thanks for all your help
For anyone interested in how I did it, continue to read:
Firstly I went to Settings > More under Wireless and Networks > Internet Settings (note you need WiFi to do this) and then selected Optus because iiNet runs under Optus and then the APN settings were changed automatically and mobile data now works
Sent from my D6653 using XDA Free mobile app
Ahh yes, the Optus APN, slipped my mind.
FYI for anyone else, the Optus APN works with all MVNO's using the Optus network (Virgin Mobile, iiNet, Exetel etc.).
Glad it's all sorted out.

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