[Q] Remove Cell Radio and Services on GS3 (Wi-Fi only) - Verizon Samsung Galaxy S III

Is there a way to remove cell radio and telephony services from a GS3, making it a Wi-Fi only device.
I flashed jelly bellies any-phone Wi-Fi only zip, it works on a Fascinate but not on a GS3
And I know that airplane mode works, but to me it's not good enough.
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randomvar said:
Is there a way to remove cell radio and telephony services from a GS3, making it a Wi-Fi only device.
I flashed jelly bellies any-phone Wi-Fi only zip, it works on a Fascinate but not on a GS3
And I know that airplane mode works, but to me it's not good enough.
Sent from my SCH-I535 using xda app-developers app
Click to expand...
Click to collapse
Just use Phone Info from the play store and turn off the radio. Don't see why airplane mode isn't sufficient. Does the same thing.
Sent from my Galaxy Nexus using Tapatalk 2

I've had phone info for a while but never thought about that, Thanks. Hopefully someone can fix Jelly bellies to work for the GS3, it would be appreciated!
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Why exactly are you trying to have a WiFi device only that Airplane mode is not good enough?

Telephony services are running in the background. I don't want any traces that the device is a phone, I don't need a second phone. I'm also peaky, I don't want to see the airplane mode icon constantly on status bar.
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I've wondered about the same thing. I thought breaking the imei would be a good place to start. There's an easy to access internal antenna I was also considering disconnecting as well to try to prevent the devices communication with the mother station..
my tapatalk signature sucks more than yours.

Never really thought about it myself but i would start by downloading the rom that you wanted to flash to the device and start removing the ril files and any verizon apps. Also wtihout the sim card I'm pretty sure the phone isnt really connecting to the network to begin with. I have a spare s3 laying around so I'll try to see what i can figure out for you

Like I said, I went to the thread link, listed below and flashed this on a Galaxy S "Fascinate" it was successful. The flash removed all the telephony services.
This zip should theoretically work on any phone. But I think this doesn't work on the GS3 maybe do to the naming that Samsung uses on the system apks.
http://rootzwiki.com/topic/25016-modany-phone-any-rom-wi-fi-only-mode-disable-cell-radio/
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Related

[GUIDE] How to get your MMS back in CM10

Thanks to Shadrach in #verizons3 for helping put the final piece in this together.
So it's well known that after your first reboot you will lose your phone number and therefore lose your ability to send MMS. Here is how to solve it.
Update
http://review.cyanogenmod.com/#/c/21023/
When this update gets merged, you will be able to skip the part with phone info to get 4g back. I've tested and confirmed. I will be updating the post today with quicker steps. (and you can get it in invisiblek's newest build http://goo.im/devs/invisiblek/i535/r...tlies/testing/ (That's as of today, August 11th. Probably tomorrow you'll want to check http://goo.im/devs/invisiblek/i535/r...cial.nightlies )
Click to expand...
Click to collapse
Needed: Phone Info (Get it from the market). (Needed only if you're getting 3g instead of 4g when you do this)
1. Go into system settings->More...-> Mobile Networks -> CDMA Subscription. Change to NV.
2. Hit back button and then click airplane mode button on the menu. Wait for the connection disappear. Then uncheck airplane mode and wait for it to come back and give you an empty triangle for a connection
3. Go back to system settings->More...-> Mobile Networks -> CDMA Subscription. and change to RUIM. Repeat step 2 except you should actually have 3g or 4g now, depending on the build. If you have 3g then see below.
Using this method I can do the whole process in under a minute.
You may have lost data which is where phone info comes in. If you lost data:
1. Go to system settings->More...-> Mobile Networks. Change network mode to LTE/CDMA
2. exit out that menu and 3g should come back but either way go into phone info.
3. In phone info go to phone information then scroll down and change set preferred network type to either LTE/CDMA auto (PROL) or LTE/GSM/CDMA auto (PRL).
Data + MMS is now restored. Enjoy.
Addendum: For some people the reactivation screen comes on after they switch to NV. You can ignore it and hit the home button.
Can somebody confirm that is working, also thanks for this
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several people and myself in channel confirmed it working.
Could this work on AOPK JB
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It should work on either, I would think. Haven't ran AOKP to try it out though.
juancaperez2000 said:
Could this work on AOPK JB
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Click to expand...
Click to collapse
This should work for AOKP, it is an AOSP rom after all.
This works, and probably should be updated on cm10/aokp thread. Thanks!
Also, are we able to reboot the phone everytime after this or if we reboot we will be loosing the phone number again
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juancaperez2000 said:
Also, are we able to reboot the phone everytime after this or if we reboot we will be loosing the phone number again
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Click to expand...
Click to collapse
Unfortunately it doesn't stick on reboot. Hopefully it can lead us to find what's wrong.
Yeap i can confirm it work thank you
Sent from my SCH-I535 using xda app-developers app
Works. Bit of an annoyingg process though.
Sent from my Verizon Galaxy S 3 running CM10
Works.
I hope we can find a perm solution.
LLStarks said:
Works.
I hope we can find a perm solution.
Click to expand...
Click to collapse
Does not keep after reboot, but I made a log and passed it on to cvpcs who is going to take a look into it.
Worked nicely. Not much of a process like this guy says. Don't be a bum lol
Sent from my SCH-I535 using Tapatalk 2
okay... so i guess my first attempt at a reply to eaten by the webnarnians...
anyway, question is this:
in the cm10 thread it was suggested by many that 3g totally sucked in cm10 and that if you weren't in a 4g area you'd have major issues with data connection on 3g networks. does this fix resolve that problem as well then?
i've been holding off on cm10 because of the concern over lack of 3g. i'm not in a 4g region so it's 3g or nothing for me at the moment. i'd love to give cm10 a whirl but don't want to lose data.
thanks for the info!
I can attest to 3G sucking balls. Paranoid Android is so badazz too but I just can't deal with lack of service
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works here
Worked for me! Thanks man.
My phone number is back and I can send mms again. Thanks!
shadrach47 said:
Unfortunately it doesn't stick on reboot. Hopefully it can lead us to find what's wrong.
Click to expand...
Click to collapse
would this help?
http://rootzwiki.com/topic/30653-vzw-aokp-jellybean-waiting-room/page__st__110#entry868176

Unable to get 4g back after using Phone App.

I selected the (CDMA auto PRL) for 3g only then didn't like it so i wanted to switch back but it would not let me. so now i'm stuck on 3g selected (CDMA auto PRL) every time I try to switch the setting to something else it just reverts back. Did anyone else have this issue? Please is their a fix? I need help to get the 4g back on my phone. (Galaxy S3 Verizon, rooted)
I had to reset the phone and install a different rom to make mine work. Hopefully that helps.
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I will try not to do that then when I get my s3.
Hope you get your 4G back and try a hard reset to fix it.
4ktvs said:
I will try not to do that then when I get my s3.
Hope you get your 4G back and try a hard reset to fix it.
Click to expand...
Click to collapse
I stopped using that app due to it happening twice. The last time it happened I had to unroot and reprogram the phone
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I had this issue and flashed a stock rooted Rom then used airplane mode and it came back. I highly advise against using that app
r1_2fast4u said:
I stopped using that app due to it happening twice. The last time it happened I had to unroot and reprogram the phone
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Click to expand...
Click to collapse
The same thing happened on my non-rooted Verizon S3 after using Phone Info app. Verizon tech said my phone was defective. When I went into Best Buy, they started switching my phone to a new S3 and it still did it...found it was the sim card. After I got a new one, it's been working ever since.
I have posted the fix in about 4 other threads...you need to reprovision your device with the dialer code
*2767*3855#
This wipes data so have a nandroid ready.
For the millionth time avoid the beans rom and the jellybomb theme.
VERIZON GALAXY S 3
I don't think that phone info app has been updated in years. Was never meant for new ultra high end phones. And not to sound rude but those menus were never meant for us to play with.
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xsteven77x said:
I don't think that phone info app has been updated in years. Was never meant for new ultra high end phones. And not to sound rude but those menus were never meant for us to play with.
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Click to expand...
Click to collapse
That menu is how I ****in' ripped off VZW and their tethering app for the longest time with my old X2 before I got pissed off at it's random disconnects and just started using wifi tether for root users.
Ahhh.. the memories. Good times.
idk if this is the same but i used the phone info app on my fascinate and changed it and couldnt get 3g so i went to mobile networks under wireless and networks
in settings and clicked data enabled
I haven't had any problems with the phone info app! Use it daily and it's never gotten stuck on 3g.
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does Re-provision code work with 4.1.1????
droidstyle said:
I have posted the fix in about 4 other threads...you need to reprovision your device with the dialer code
*2767*3855#
This wipes data so have a nandroid ready.
Click to expand...
Click to collapse
Does this Re-provision code work with 4.1.1, I've been reading that it only works with ICS builds? I can't get 4G lte ever since rooting my phone and I've tried every thing but this. I don't want to try it though unless I know for sure that it works with jelly bean.
My Build:
Clean Rom 5.5.1
Leankernel vzw tw jb 1.2.1 (imoseyon)
Baseband I535VRBLK3
AND...... I've flashed
VRBLK3.rpm.zip
VRLK3.modem.zip
The "phone info" app is stuck on CDMA auto (PRL)
APN is set to LTE - verizon internet.
WHAT DO I NEED TO DOO????!!! PLEASE HELP XDA GENIUSES!!!!
Brocain said:
Does this Re-provision code work with 4.1.1, I've been reading that it only works with ICS builds? I can't get 4G lte ever since rooting my phone and I've tried every thing but this. I don't want to try it though unless I know for sure that it works with jelly bean.
My Build:
Clean Rom 5.5.1
Leankernel vzw tw jb 1.2.1 (imoseyon)
Baseband I535VRBLK3
AND...... I've flashed
VRBLK3.rpm.zip
VRLK3.modem.zip
The "phone info" app is stuck on CDMA auto (PRL)
APN is set to LTE - verizon internet.
WHAT DO I NEED TO DOO????!!! PLEASE HELP XDA GENIUSES!!!!
Click to expand...
Click to collapse
I'm on CleanRom 5.5.1 and I use Phone Info app to switch from 4g to 3g, but to go back to 4g I always have to go into System Settings -> Wireless Network -> Mobile Networks and switch it from there. Same with every JB Touchwiz ROM I've tried.
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k0admunk33 said:
I'm on CleanRom 5.5.1 and I use Phone Info app to switch from 4g to 3g, but to go back to 4g I always have to go into System Settings -> Wireless Network -> Mobile Networks and switch it from there. Same with every JB Touchwiz ROM I've tried.
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Click to expand...
Click to collapse
Same... once I've changed to 3g you need to flip it back to global as kOadmunk described
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k0admunk33 said:
I'm on CleanRom 5.5.1 and I use Phone Info app to switch from 4g to 3g, but to go back to 4g I always have to go into System Settings -> Wireless Network -> Mobile Networks and switch it from there. Same with every JB Touchwiz ROM I've tried.
Sent from my SCH-I535 using xda premium
Click to expand...
Click to collapse
+1
It's a new setting in JB and this is the only way to fix it.
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There are times it won't switch for me till I go into the more options to mobile network and switch to late or global
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still not working
I got it changed in APN setting to "LTE - verizon internet", the only other option is "EHRPD - verizon internet", I also have global roaming set to "always allows on trips". However ever time I go back to the phone info app it resets to "CDMA auto PRL". Am I missing something?
Brocain said:
I got it changed in APN setting to "LTE - verizon internet", the only other option is "EHRPD - verizon internet", I also have global roaming set to "always allows on trips". However ever time I go back to the phone info app it resets to "CDMA auto PRL". Am I missing something?
Click to expand...
Click to collapse
Id say delete the phone info app or wait until it's updated to be compatible with jellybean. 3g is almost then same as lte anyways at least with my phone I almost always have a strong lte signal. The s4 chip in the gs3 was designed to be a power saver on lte compared to older chips
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cell128 said:
Id say delete the phone info app or wait until it's updated to be Co mpatible with th jellybean. 3g is almost then same as lte anyways at least with my phone I almost always have a strong lte signal. The s4 chip in the gs3 was designed to be a power saver on lte compared to older chips
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Click to expand...
Click to collapse
Ok, so if I delete the app is my phone still stuck in 3g mode somewhere in else in the phone then? I guess what I mean is does deleting app force the phone to run off the APN settings? And if this still doesn't work can I use the re-provision code ( *2767*3855#) that I saw earlier in the thread? Finally is there a way to simply check if my SIM card is screwed?

4G toggle?

So did some research an found phone info the app, but have heard negative things regarding it. Are there any other 4G toggles available? If not, is there any that exist in custom roms or rooting? So far this phone on 4G has battery life of my nexus on 3g. So that's very impressive but it'd be nice to turn it off to save battery when needed.
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tu3218 said:
So did some research an found phone info the app, but have heard negative things regarding it. Are there any other 4G toggles available? If not, is there any that exist in custom roms or rooting? So far this phone on 4G has battery life of my nexus on 3g. So that's very impressive but it'd be nice to turn it off to save battery when needed.
Sent from my SCH-I535 using xda app-developers app
Click to expand...
Click to collapse
Not really. This phone has an alarming amount of data issues. It seems that once you turn 4G off you won't be able to get it back unless you restore a nandroid. The only way to safely turn off 4G is to turn off mobile data altogether.
Damn. That is pretty disappointing to hear. I hope that they fix this or some dev is able to correct it. Very annoying.
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No no stop with the missinformation. Phone info works on stock and synergy. Phone info will not work with beansrom and/or jellybomb theme.
I use phone info app everyday with synergy1.6 without any issues since my job is 3g only
VERIZON GALAXY S 3
DROID3R said:
No no stop with the missinformation. Phone info works on stock and synergy. Phone info will not work with beansrom and/or jellybomb theme.
I use phone info app everyday with synergy1.6 without any issues since my job is 3g only
VERIZON GALAXY S 3
Click to expand...
Click to collapse
I'm on stock atm and phone info got me stuck on 3G...
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DROID3R said:
No no stop with the missinformation. Phone info works on stock and synergy. Phone info will not work with beansrom and/or jellybomb theme.
I use phone info app everyday with synergy1.6 without any issues since my job is 3g only
VERIZON GALAXY S 3
Click to expand...
Click to collapse
So if I'm just running stock rom, I should be fine to use phone info?
I haven't had any issues, and I am running Synergy 1.6 so yeah I think it is safe to use.
If helped you or you liked what I had to say. Save forum space and thank me using the thank you button.
Sent from my SCH - I535 using XDA Premium App

No 4g or 3g Data?

First of all, I'm stock and running faux kernel. I started experiencing this problem yesterday when I had no data and I was outside (Where I usually get 4g speeds). Now I either get 1x data speeds or none. Is there any solution for this problem like hard reseting or something
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junowhoo said:
First of all, I'm stock and running faux kernel. I started experiencing this problem yesterday when I had no data and I was outside (Where I usually get 4g speeds). Now I either get 1x data speeds or none. Is there any solution for this problem like hard reseting or something
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Click to expand...
Click to collapse
That sounds like either a Verizon problem, or sometimes your phone wants to revert to an evdo state if it can't get a 3g or 4g signal.
Download the phone info app, and open it and click device information, make sure it says lte/cdma/evdo and not evdo only.
Sometimes the setting won't stick, so in that case I would either flash a new rom or go back to stock with Odin, ota update, and reroot again.
If it says lte/cdma/evdo, then I think it has something to do with verizons end.
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Actually I tried something else... I took my sim card out of my s3 and put it into a friends verizon s3 and the data didn't work on his phone but once I put his sim card onto my s3, I had 4g and many speeds I thought never existed. So what does that mean?
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junowhoo said:
Actually I tried something else... I took my sim card out of my s3 and put it into a friends verizon s3 and the data didn't work on his phone but once I put his sim card onto my s3, I had 4g and many speeds I thought never existed. So what does that mean?
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Click to expand...
Click to collapse
Pulling your SIM helped your phone to relock onto Verizon towers. It just essentially resetted the prl, glad you got it working fairly easily.
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Not exactly, because my s3 for some reason got 4g and 3g when I inserted my friends SIM card onto mine but on his s3, his data was acting like mine because he had my SIM in his s3... so that draws me in one conclusion, my SIM is damaged
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No activated Sim card

My wife is getting a new phone for Christmas and the kids will most likely be getting the infuse. Currently it is running cm11 on it and her Sim is getting ready to be deactivated
Will the phone require a Sim to boot and be usable as a small tablet/ media player?
Will it give an error no Sim?
Is there some mods I'll need to make on this?
Is it possible to turn off the phone radio by default and keep WiFi on?
I will freeze the messaging and phone app but if I can gain battery life I'm all for it.
Sent from my XT907 using xda app-developers app
mrkhigh said:
My wife is getting a new phone for Christmas and the kids will most likely be getting the infuse. Currently it is running cm11 on it and her Sim is getting ready to be deactivated
Will the phone require a Sim to boot and be usable as a small tablet/ media player?
Will it give an error no Sim?
Is there some mods I'll need to make on this?
Is it possible to turn off the phone radio by default and keep WiFi on?
I will freeze the messaging and phone app but if I can gain battery life I'm all for it.
Sent from my XT907 using xda app-developers app
Click to expand...
Click to collapse
I run a spare Infuse with no SIM card and it works great. You will get a notice on boot up but that you do not have a SIM but that is all and it works great with out one. I install the MagicJack app and Skype and I get and make phone calls with it all the time.
You dont need to make any mods to the phone.
mrkhigh said:
My wife is getting a new phone for Christmas and the kids will most likely be getting the infuse. Currently it is running cm11 on it and her Sim is getting ready to be deactivated
Will the phone require a Sim to boot and be usable as a small tablet/ media player?
Will it give an error no Sim?
Is there some mods I'll need to make on this?
Is it possible to turn off the phone radio by default and keep WiFi on?
I will freeze the messaging and phone app but if I can gain battery life I'm all for it.
Sent from my XT907 using xda app-developers app
Click to expand...
Click to collapse
There's a flashable zip located in this Rootzwiki thread that'll disable the cellular radio and remove telephony and messaging services. I haven't tried it but it worked for another XDA member.

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