looking for a carrier that allows me to browse internet and make a phone call at the same time.

I had this question after viewing Phone call and internet.


before I switch carriers from sprint to
verizon, att, tmobile

which
verizon, att, tmobile
works with both

all three?

not my phone; any phone in general

I am looking for a carrier that allows me to browse internet and make a phone call at the same time.
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rgb192Asked:
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JohnBusiness Consultant (Owner)Commented:
Any decent smart phone will work with all three. Change the SIM card to change carriers. Some Android phones have 2 SIM cards if you change countries and/or carriers easily.

Any smart phone can browse and be on the phone at the same time. It can be hard to manage and you need an earpiece with a microphone to carry on the conversation while browsing but easily done.

I have an iPhone, my family have Androids (Samsung I believe) and one of those is dual SIM. My colleague uses a Samsung.
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Lee W, MVPTechnology and Business Process AdvisorCommented:
The problem is CDMA technology - Sprint is the last carrier to use CDMA exclusively.  CDMA phones don't use SIM cards.  The IMEI number is registered with the carrier and the phone is then activated on the carrier's network. Even Verizon (as I understand it) has started using GSM (which AT&T and T-Mobile have used for at least a decade if not close to two).

Here's a blurb on CDMA vs GSM:
CDMA networks have a few technical advantages over GSM. They support a greater number of concurrent connections, which theoretically means less congestion (i.e. fewer dropped calls and Internet slowdowns) at cell towers. And the underlying technology is more secure. But CDMA is inferior in other ways, namely speed —  the most widely adopted variant in the U.S. — EV-DO, or Evolution Data Optimized — maxes out at 3.6Mbps, while modern GSM networks can theoretically hit 42Mbps. And CDMA networks lack some features, like simultaneous voice and data, that are a part of the GSM standard.

from https://www.digitaltrends.com/mobile/cdma-vs-gsm-differences-explained-version-1439840883/

If you want to do both, you MAY be able to switch to Verizon, but TMobile and AT&T should definitely support simultaneous talk and data since both are GSM
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Jackie ManIT ManagerCommented:
Go for AT&T and buy a latest Samsung Note 8.

If there is no restriction on using existing smartphone and budget, get a monthly subscription plan which bundles with VoLTE (AT&T HD Voice).

"The difference is clear

Clear conversations and reduced background noise so you feel like you're right next to each other. Make and receive high-definition voice calls and enjoy:

Crisp call quality
Less background noise
Simultaneous voice and data at 4G LTE speeds
To use AT&T HD Voice, both caller and receiver need an HD Voice capable phone and must be located within HD Voice coverage areas. Not all carriers have interoperability with AT&T HD Voice."

https://www.att.com/shop/wireless/features/hd-voice.html

If the other side of the call party does not support AT&T HD Voice, the Internet connection will only be automatically downgraded from 4G to 3G but you can still access the Internet.
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JohnBusiness Consultant (Owner)Commented:
I knew CDMA could not do do both simultaneously but the question did not involve Sprint. The other ones use GSM and SIM cards, so with a decent phone you can browse (or run other internet-connected apps while making a call.  I have done this numerous times to solve issues while being on the phone.
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Lee W, MVPTechnology and Business Process AdvisorCommented:
As I read the question and statement:
before I switch carriers from sprint to
verizon, att, tmobile
This implies a lack of understanding of the issues surrounding why browsing and phone calls are not possible on the current network.  So I explained the technological limitation which suggests ANY of the others are good.

I was just reading over RootMetrics web site - it's definitely worth a gander:
http://webcoveragemap.rootmetrics.com/en-US
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rgb192Author Commented:
Cdma description is slightly more helpful. Thanks
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