i am using AT&T's Samsung galaxy s2 skyrocket (unlocked), i am unable to select a network operator manually. As i keep going around different countries, i keep on purchasing local sim cards for calling home, so i need to select the network manually, otherwise it will select the network which has best signal strength and i may land up paying heavy charges for roaming.
when i go to wireless and network/ mobile networks/ network operators only thing which comes written is "DEFAULT SETUP" and that is greyed out. (when i tap on nothing happens).
also when i change back to my old AT&T sim, i am able to access that greyed out area, but when i put another sim "DEFAULT SETUP" is again inaccessible.
can someone please guide me through it..??
Are you using the stock ROM?
Sent from my SGH-T989 using Tapatalk
I have bought the phone just a weak ago... i have changed nothing except for SIM card....
actually i dont know any thing about ROMs and i m new to android also... i just guess that above written satisfies your question.
well thats your answer. You can not do that on stock att firmware
what modifications i have to do .... to achieve the desired results...??
and please tell HOW to do also....!!
You need to flush custom ROM that supports changing network operator settings.
Look at this post if you would like to use custom ROM:
http://forum.xda-developers.com/showthread.php?t=1383464
Hi
I am currently in the US for holiday. Bought two prepaid att go phone cards already in Germany and activated them. The Data connection in my wifes SAMSUNG SIII mini (stock) works as it should.
In my HTC ONE SV I only get EDGE working. No matter which APN settings I use as soon as I switch on something else as GSM only in Network data plan.it disconnects completely from Mobile and states "Service not available"
My SV is unlocked and rooted and running with the Russian ROM
Any quick suggestion what can help,
Edit: I went to a AT&T shop here. They were very helpful but couldn't get it working. Tried more things and at one point all APN settings were gone. After that I tried for the first time the "Reset to default" and it loaded the ATT Phone settings.
After a restart everything works. I have here with H sign in taskbar a download of 5Mbps and upload of 1Mbps.
I attach the screenshots of the settings
Overview:
Living in the UK, brought my GS3 with. Used GSM sim over summer here with no issues, followed the guide posted everywhere.
Leave the UK, go back to US, then back to UK. I'm using the same sim as before I left (T-mo) and everything works fine for about a week.
I flash some CM-based rom on my phone and can no longer send messages, even though I went through the same setup as before to use an int'l sim.
Carrier badge says "Verizon Wireless" even though it should say EE, and I cannot send SMS messages, or make phone calls.
What I have done:
- Flashed different ROM
- Re-registered phone on network though "mobile network" settings
- Wiped everything and flashed new CM ROM
- Got NEW sim card
I am struggling to find answers. Please offer suggestions. I'm going on three weeks without a working mobile phone. Very frustrated.
Simple solution is to flash back to stock rom and be on the latest version..insert sim, select GSM mode and manually enter APN.
second option is go to the link below and download the attachment and then select GSM mode (Useful for CM)
http://forum.xda-developers.com/showpost.php?p=45484153&postcount=526
Help request: LTE Data works,"no service" otherwise. IMEI/number, but no texts/calls.
Software: Android 5.0.1 Skydragon M8 v2.0 Sense 7
Many people have posted issues with LTE where their cellular signal was fine for "2G" functions like calls and texts.
I'm having the opposite problem. After leaving airplane mode (landing at an airport today), I have a "No Service" message in the status bar drop down (notification tray), and the Settings>Network information page shows "Not Registered." However, I do have an IMEI (see details below). However, LTE data works perfectly fine.
I've obviously tried changing the settings in Settings>Mobile Data (preferred network to Global / LTE / LTE/legacy 3GPP mode) connection type global/auto/LTE/etc), to no avail. If LTE is connected it works flawlessly, but I cannot make calls or texts, and show not registered on the network. Data roaming is set to deny, but even allowing roaming does not change the situation.
Before this happened, I HAD gone through all the XTended Settings, and even 'looked' at (but did NOT change) some advanced settings pages, including the 'hidden' HTC network info page ( *#*#4636#*#* ). Again, however, I didn't change anything -- unless by accident?!
Does this sound familiar to anyone? Anyone know if I may have inadvertently changed something and can change it back (a setting that would persist in the hardware through NANDROID restores and factory resets...). Or, any other advice to restore the cellular service connection to normal?
I've tried a full NANDROID restore (multiple times) to a working copy, and a factory reset. I have limited access to a PC since I'm traveling, so re-flashing the VZW firmware or stock recovery or lollipop/verizon RUU would be challenging.
I did spend a good 45 minutes (at a library, my only PC access!) searching the forums and web, but to no avail.
Settings information:
OPperator Name: Verizon
Signal Strength -114 (I've had better but still have the same issues)
Mobile Network type: LTE
Service state: In service
IMS service state: Not Registered
Roaming: Not Roaming
Phone Identity page:
IMEI shows up (15-digit number...how can I verify I didn't mess this up?)
Phone Number is correct
IP Address: 100.66..... (looks good)
Any help is GREATLY appreciated!
Same here
I'm having the same issue. When i try to make a call my LTE bars drop to nothing and it says call failed no network available. Any ideas or help would be nice. I was using venom rom as well. I'm currently trying to flash the newest RRU to see if that resets things. I'm wondering if it somehow my sim card. I took it from my droid turbo. I've made sure to turn off advanced calling on my VZW account though.
Drhoot said:
I'm having the same issue. When i try to make a call my LTE bars drop to nothing and it says call failed no network available. Any ideas or help would be nice. I was using venom rom as well. I'm currently trying to flash the newest RRU to see if that resets things. I'm wondering if it somehow my sim card. I took it from my droid turbo. I've made sure to turn off advanced calling on my VZW account though.
Click to expand...
Click to collapse
I had this same issue, running from ruu then rooted. I didn't noticed until I started seeing voice mail notifications but never heard the phone ring. When I tried to dial out I got the immediate call lost message. I couldn't figure what was causing it so I just did a reset. I made sure not to restore any systems data from prior to the Lollipop upgrade. At this point everything is working, the only thing I haven't installed yet is the xposed framework and sense 6 toolbox.
mc_365 said:
I had this same issue, running from ruu then rooted. I didn't noticed until I started seeing voice mail notifications but never heard the phone ring. When I tried to dial out I got the immediate call lost message. I couldn't figure what was causing it so I just did a reset. I made sure not to restore any systems data from prior to the Lollipop upgrade. At this point everything is working, the only thing I haven't installed yet is the xposed framework and sense 6 toolbox.
Click to expand...
Click to collapse
What kind of reset did you do? I know my issue is slightly different, but I did a full RUU-flash yesterday (latest lollipop version) and still no luck. Unfortunately I'm out of the country now and access to a computer is limited, and I don't even have a SIM card yet to check if cellular service would work anyway.
I do intend to do a flash of the stock recovery and radios once I have the time and access, but that may be a while...
Still, I'll keep checking this thread to see if anyone posts any other options
lifebringer123 said:
What kind of reset did you do? I know my issue is slightly different, but I did a full RUU-flash yesterday (latest lollipop version) and still no luck. Unfortunately I'm out of the country now and access to a computer is limited, and I don't even have a SIM card yet to check if cellular service would work anyway.
I do intend to do a flash of the stock recovery and radios once I have the time and access, but that may be a while...
Still, I'll keep checking this thread to see if anyone posts any other options
Click to expand...
Click to collapse
Just go into settings and to Backup & Reset , this will return your phone to a fresh install and remove all non bundled apps.
Before doing the reset try going into Settings then Call then change Preferred Network to Global, or toggle from LTE then back to Global.
Hi folks,
This is my first post on here. I'm having a problem with my phone which I think is quite unique and I hope someone on here can help me fix it before I buy a new device.
I have a galaxy nexus (maguro) running cyaogenmod.
Previously I was running CM11 (cm-11-20141115-SNAPSHOT-M12-maguro) from the CM website and updated it to CM12.1 cm-12.1-20160719-SNAPSHOT-YOG7DAO8DL-maguro) a few weeks ago.
When I rebooted my phone it was running very slow (and getting very warm) so I did a factory reset and re-installed CM12.1.
It started working ok but I noticed that my phone was displaying 'emergency calls only' even though the network reception in the status bar was full, displaying 'H' (3g) and allowing me to connect to the internet using 3G.
Whenever I make a call it states 'Mobile network not available' and I cannot send text messages.
I tried phoning O2 and they gave me a new sim but the problem was still happening. I then tried putting my girlfriend's EE sim into the phone and I could make calls/send messages. I also went to France on holiday and could use my phone to phone/text using my O2 sim abroad. Whenever I put my O2 sim into another phone I can make calls and text.
So basically it is only when my O2 sim is specifically in the Galaxy Nexus that I cannot make calls/send texts but can still use 3g.
Oh yeah when I go to Settings>Mobile Network Settings>Network Operators the following available networks are shown:
O2-UK
T-Mobile UK
3 UK
vodafone UK
Orange
When I select O2-UK is states 'cannot connect at this time. Please try again later'
I've tried re-installing the older version of CM11 and today I tried wiping the entire phone (internal sd card etc) and it is still happening. Can anyone help? Is there something else I can wipe, or setting I can change?
Thanks in advance