Contributor
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1 Message
Can I use an unlocked Verizon Galaxy S5 with AT&T
Well I have a friend that wants to sell me her Galaxy s5 but its on Verizon. She unlocked it already because she was overseas in Korea but got another phone. Would I be able to put a SIM card in it and use it with my AT&T plan?
johnny3thumbs
Tutor
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6 Messages
10 years ago
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GLIMMERMAN76
ACE - Expert
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23.9K Messages
10 years ago
you realize that only certian parts of att have band 4 lte right?
I my area ATT use band 5 and 17 for LTE. So in theory yes if a verizon phone has Band 4 it will work in markets that ATT has band 4. I know att had went with band 5 and 17 more and more because of the overloaded band 4. I know band 12 deployment is suppose to happen sometime in 2015.
I was just using the Nexus 5 as an example as it is true multi carrier.
'
Ponder this if you buy a Iphone full retail you should get one from verizon as it has all the ATT radio bands plus cdma bands.
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cavschris
Teacher
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28 Messages
9 years ago
I'VE TRIED ALL THE DIFFERENT APNS THAT I COULD FIND. the phone works great but just wish it would show the 4glte.
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formerlyknownas
ACE - Sage
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117K Messages
9 years ago
This is as good as it will get unless you switch phones to a more compatible version.
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cavschris
Teacher
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28 Messages
9 years ago
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GLIMMERMAN76
ACE - Expert
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23.9K Messages
9 years ago
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tessar
Contributor
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3 Messages
9 years ago
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Mallens
Contributor
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1 Message
8 years ago
I bought my son an "unlocked" Verizon Galazy S5 for Christmas and we have AT&T. We could not get the data to work. Your post got it going to for us and I have a very happy teenager! Thank you!
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chitown388
Contributor
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1 Message
8 years ago
I had just went through 3hrs on the phone with AT&T over two days to get my Verizon Galaxy S5 to work on the AT&T network. Verizon 4G LTE phones are not locked; therefore, the S5 is unlocked by default. Two categories of problems to fix: data and voice.
DATA SERVICE CONFIGURATION:
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- Set the APN (Access Point Names). No ATT data will be available when an ATT SIM card is first inserted. The APN will need to be set to ATT. Start with: Setting -> More Networks -> Mobile Networks -> Access Point Names. Then enter the following settings:
NAME: ATT 4G (or anything you desired)
APN: Phone
PROXY: proxy.mobile.att.net
PORT: 80
USERNAME: (not set)
PASSWORD: (not set)
SERVER: (not set)
MMSC: http://mmsc.mobile.att.net
Multimedia port (not set)
MCC 310
MNC 410
APN TYPE Default
APN Protocol IPv4
APN Roaming IPv4
BEARER Unspecified
You may have to reboot the phone for this setting to take effect.
- Set the Preferred Network Mode to LTE/GSM/UMTS or Global. Even with the right APN, the phone will stay on low bandwidth network H or H+. Supposedly selecting the LTE/GSM/UMTS mode will help to keep the VZ S5 on 4G LTE mode more often. Start with Setting -> More Networks -> Mobile Networks -> Network Mode. Then select LTE/GSM/UMTS. If that doesn't work, select GLOBAL instead.
You may have to reboot the phone for this setting to take effect.
- Note: even with the above configuration, my VZ S5 still rotates to low bandwidth network H or H+ once in a while, and always when I use the voice service.
VOICE SERVICE:
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Voice service will work when ATT SIM card is inserted. You may have to set the following if the ATT network can't "hear" the voicemail password you entered. Open the phone dialpad -> select setting (three vertical dots) -> select Call -> select DTMF tones -> select LONG.
Hope this will help to save you (and AT&T) from the 3hr ordeal just to get your phone to work on AT&T.
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mkdavis
Contributor
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1 Message
8 years ago
I've got an unlocked Verizon Samsung Galaxy S5 phone which I recently switched onto the AT&T network. The primary issue I've had is being unable to text MMS. As you might have guessed, I've been on the AT&T 1-800 help line and taken my phone into the AT&T store. Tried adding several different variations of AT&T APN settings. Unfortunately, they have not been able to resolve my issue.
FINALLY, the APN settings you provided above seem to be working!! Thank you!
Note:
It seems most of the APN settings I've been given had
Proxy: Not Set
Port: Not Set
Rather, these same values were provided like this:
Multimedia message proxy: proxy.mobile.att.net
Multimedia message port: 80
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