Samsug Infuse Sim Card Problem/Compatibility - Samsung Infuse 4G

So I just got my Samsubg Infuse however when I switched the sim card from my Atrix to the Infuse the Infuse could not read my sim card...I get the "Sim Card Not Installed"message. So I went to 1 AT&T retail store and 1 AT&T device support store to have them switch out my sim card and after THREE new sim cards NOTHING (keep in mind these are all the "newer" sim cards AT&T gives out with no design on the front)...I keep getting the same message.
SO I tried an OLDER sim card I had sitting around (the "OLDER" version with the "3G" symbol on the front) and it indeed did read it. So what I did was call AT&T and had them switch my account to the "older version" sim card I had an VOILA everything works...so i thought stranger...such a new phone but it would not work with the newer sim cards AT&T store gives out....
So I talked to Samsung directly and told them that I think I had a defective device...they said NO because it reads my older sim card and I went on and on about how the only sim cards AT&T issue are the newer ones...they said they will open a ticket blah blah blah...Im hoping I can get a new device because if I ever had to sell this out or need a new sim card I'll be SCREWED....
But I was wondering what sim cards are you guys using...the newer AT&T one or the older "3G" one...plus does anybody know of anything I can try...
I tried resetting the APN, hard reset, soft reset, battery pull etc etc...but nothing...

Using the new one without the design on the front. No problems here sorry... I would say your device is faulty
Sent from my SAMSUNG-SGH-I997 using XDA App

No problems here either i have the newer sim card with the half white half blue and the numbers.
they did give me a brand new one but i have no use for it since i have mine and it worked. keep it as a back up i guess

is there a difference between these 2 cards...because supposedly the newer sim cards are "4G" enabled and the older one is 3G enabled...

dietanson said:
is there a difference between these 2 cards...because supposedly the newer sim cards are "4G" enabled and the older one is 3G enabled...
Click to expand...
Click to collapse
I had heard that from a Rep when I asked about 4g on the Atrix she said there would be new similar cards...
Sent from my SAMSUNG-SGH-I997 using XDA Premium App

Well i ran a speedtest and my infuse seems to be right around par with everyone elses. 5.3 down and 1.3 up. So i guess the card doesnt make a difference...

dietanson said:
Well i ran a speedtest and my infuse seems to be right around par with everyone elses. 5.3 down and 1.3 up. So i guess the card doesnt make a difference...
Click to expand...
Click to collapse
Do you have the h+ symbol for your cell connection?
Sent from my SAMSUNG-SGH-I997 using XDA App

I'm using a Infuse with a 3G Cingular branded card and it works fine (H+, yada yada).

All smoke and mirrors, friend.
dietanson said:
is there a difference between these 2 cards...because supposedly the newer sim cards are "4G" enabled and the older one is 3G enabled...
Click to expand...
Click to collapse
Sent from my SAMSUNG-SGH-I997 using XDA App

h8rift said:
All smoke and mirrors, friend.
Sent from my SAMSUNG-SGH-I997 using XDA App
Click to expand...
Click to collapse
yeah...thought so too...but yeah I do have the H+ logo and stuff...

Related

[Q] Sim Card Compatablity

So heres a question. When i talked to the sales rep they said i would be getting a new sim card. So if thats the case is the new card compatable with my current Tilt 2 phone (HTC Rhodium) since the Inspire is not a world phone?
darkbluexplorer said:
So heres a question. When i talked to the sales rep they said i would be getting a new sim card. So if thats the case is the new card compatable with my current Tilt 2 phone (HTC Rhodium) since the Inspire is not a world phone?
Click to expand...
Click to collapse
A sim is a sim. As long as the phone is compatible with the network and not locked(or on its locked carrier) it should work fine. They reused my Captivate sim.
Sent from my Desire HD using XDA App
When I got my phone they gave me sim it looks different form the 3g sim. the pattern on the back is changed so you can get the 4g frequency
Yeah, they gave me a new sim, they said it was for the 4G
N!ghtgold said:
When I got my phone they gave me sim it looks different form the 3g sim. the pattern on the back is changed so you can get the 4g frequency
Click to expand...
Click to collapse
A new SIM is not required for HSPA+. Any change you see is purely coincidental.
Twenty4 said:
A new SIM is not required for HSPA+. Any change you see is purely coincidental.
Click to expand...
Click to collapse
This is absolutely correct you don't need new sims
Sent from my Desire HD using Tapatalk
heck, they put the 'cingular' sim in the inspire from my krazr and it works fine.
The sim card i am using is from my old tilt 2. They just moved it from my old phone into my new Inspire working great.
Sounds like the sales rep you dealt with was a confused. New sim cards have been released for LTE, but they are not supposed to be activating them until the old sim cards are depleted.
AT&T has released a new batch of SIM cards that will support HSPA+ and future LTE devices. I have attached a image of what the new SIM looks like. You will not notice any difference between the new SIM's until you begin using LTE devices in 2012.
darkbluexplorer said:
since the Inspire is not a world phone?
Click to expand...
Click to collapse
The Inspire is not a world phone? It won't roam overseas??

Check your similar card

My phone has been running super slow ... called national help desk.. was told i had a OLD 2g sim card... Rep said NEW SIM CARDS have a black TM and then a number on gold side of similar card.. might wanna check yours... after my 4g sim was switched there was a huge increase in 4g internet speed...
sent from my rooted mytouch 4g
surfnhawaii808 said:
My phone has been running super slow ... called national help desk.. was told i had a OLD 2g sim card... Rep said NEW SIM CARDS have a black TM and then a number on gold side of similar card.. might wanna check yours... after my 4g sim was switched there was a huge increase in 4g internet speed...
sent from my rooted mytouch 4g
Click to expand...
Click to collapse
Oooh lord not this BS again. Hey guy why spread these rumors for? Do you work for TMobile and trying to get people to buy SIM Cards for $9.99? The fact is this theory has actually never been proven and there are people like myself who can verify who used 2-3years simcard and saw same speed. But the thing is old simcard had less memory for storage along with limit as how many time it could connect to the network for data connection before burnt out but sim could still be used for voice and edge. There is no such thing 4G simcard lol its just another failed attempt at cheap marketing go test your old "3G" simcard in MT4G and compare it with new "4G" simcard I grantee it you will not see any results, lets not fall for the companies BS okay folks this is what we call placebo effect.
Dude I have no idea what the heck your talking about.. or if you know what your talking about yourself..
Anyway my phone NOW has a UICC 4g sim card now, the old card was NOT A VICC card and help desk Rep said that old sim card should not have been Put in my phone to begin with, it was a oversight on tmos part. (Note it was placed in phone by MANAGER.. LOL!) .. the sim pattern on gold side of sim looks totally different than the gold contact side on old sim card (slow one!) Old Had several sections on the gold contact side, new one has FEW sections. Tmo national help desk verified i had new and correct sim card now. After it was swapped out at tmo, i called help desk back, and they said ".. looking at your phone i now see to have a 4g sim..." and he said its a VICC SIM..
Anyway phone is at least 4x faster on 4g.. i went from 1.2 mbps to 4.2 mbps while at store and with VICC sim... so for me it was the sim, i wouldnt have believed it myself if i had not see it myself on same phone at exact same spot with different sim cards...
Again if your internet is slow and it shows "H" check your sim card.
Again it was free to swap old sim for a new sim .. and it made a huge difference on my phone here in Hawaii.
sent from my rooted mytouch 4g
Old sim...
http://www.speedtest.net/android/35832797.png
NEW VICC SIM....
http://www.speedtest.net/android/35832736.png
Pictures speak for themselves...
sent from my rooted mytouch 4g
BlackSHELF said:
Oooh lord not this BS again. Hey guy why spread these rumors for? Do you work for TMobile and trying to get people to buy SIM Cards for $9.99
Click to expand...
Click to collapse
Boy, your a ARROGANT jerk
sent from my rooted mytouch 4g
Ya I don't know what I'm talking about last time I checked I was the network admin with 2years sIC in telemetry. Matter of fact I know one of the foremost authority in person with PBE as he manage and builds and consults for FCC. You going to teach me the HSPA+ Rv1? Do you even know how to modify the setting manually? Much less access it? Lol @ national desk center. H can mean anything as you can access the data via UTMS and HSDPA. Most problem happens as people like you keep taking it out for silly reasons like this as its delicate. Don't ever confuse defect with standard go find me 4G simcard for GSM.
PS: There is no such thing as VICC 4G SimCard, go find me technical doc for it.
Sent from my HTC Glacier
surfnhawaii808 said:
Old sim...
http://www.speedtest.net/android/35832797.png
NEW VICC SIM....
http://www.speedtest.net/android/35832736.png
Pictures speak for themselves...
sent from my rooted mytouch 4g
Click to expand...
Click to collapse
That proves what your defect card? Do I need to pop my old simcard and take some silly photo with actual network overhead which you can't access and show my point which is direct contradiction to your so called finding which is defect. Go post this in official TMo forum and see what happens lol also bring those national desk techs to join. This is just isolated how come it can't be replicated?
Sent from my HTC Glacier
BlackSHELF said:
Ya I don't know what I'm talking about last time I checked I was the network admin with 2years sIC in telemetry. Matter of fact I know one of the foremost authority in person with PBE as he manage and builds and consults for FCC. You going to teach me the HSPA+ Rv1? Do you even know how to modify the setting manually? Much less access it? Lol @ national desk center. H can mean anything as you can access the data via UTMS and HSDPA. Most problem happens as people like you keep taking it out for silly reasons like this as its delicate. Don't ever confuse defect with standard go find me 4G simcard for GSM.
PS: There is no such thing as VICC 4G SimCard, go find me technical doc for it.
Sent from my HTC Glacier
Click to expand...
Click to collapse
Dude, all he did was share an experience he had. He didn't tell anyone to go give money to tmo. He had an old card that wasn't working well for whatever reason and a replacement fixed the issue. You may be right about the technicalities in this regard, but nobody respects an arrogant **** even when he is right.
Sent from my HTC Glacier using XDA App
i foresee Option visiting this thread...shortly
TJBunch1228 said:
Dude, all he did was share an experience he had. He didn't tell anyone to go give money to tmo. He had an old card that wasn't working well for whatever reason and a replacement fixed the issue. You may be right about the technicalities in this regard, but nobody respects an arrogant **** even when he is right.
Sent from my HTC Glacier using XDA App
Click to expand...
Click to collapse
Now if he said that then we wouldn't be having problem. But you have to understand that not everyone is registered in XDA as so many folks just browse web and come here from search. People who don't understand will read it and waste money on thing that haven't been even proven. Like I said it was defect which I can live with that's the beauty of forum if you start a thread lol then post some screenshots then try to push some miss information claiming its correct because some fools at desk center with CompITA certified said so then it has to be corrected. Btw who comes online for respect? You don't have to know me or like me but you will know the truth even when its little bitter. Without people like me they would have a blast at gimmick targeting users who don't know better.
Sent from my HTC Glacier
surfnhawaii808 said:
Old sim...
http://www.speedtest.net/android/35832797.png
NEW VICC SIM....
http://www.speedtest.net/android/35832736.png
Pictures speak for themselves...
Click to expand...
Click to collapse
I have a question about the pics you posted... From the time stamp the old card was tested after you tested the new card? Doesn't tmo cancel the old card to transfer your data to the new one? And you had a minute to power off, switch card, boot up and test again?
crxtasi said:
I have a question about the pics you posted... From the time stamp the old card was tested after you tested the new card? Doesn't tmo cancel the old card to transfer your data to the new one? And you had a minute to power off, switch card, boot up and test again?
Click to expand...
Click to collapse
Not to mention that the old sim was done after the new one based on the times....
From my permarooted 1209mhz G2 with CM7 nightly 6
When I had tmobile change my sim card I had to give them the new sim number so they would disable old one and enable new one. That was instantaneous but.... One minute to replace card, retest....?
Sent from my HTC Glacier using XDA App
Fact: "4G sim cards" are a gimmick..for now at least.
Fact: Older sim cards have had several documented issues with slower data and dropped/missed calls. Why else do you think it is *recommended* to change to the newer versions?
Fact: T-Mobile does NOT charge for a sim swap. However, they do charge (in-store) if you're requesting a new one and don't have the old one with you.
As for the pictures though, I'm gonna call them bogus. I just felt that some things needed subtle clarity without being a douchebag.
Sent from my HTC Glacier using XDA App
I understand that you're just trying to state the facts and such but the op had success in doing what he did and that's why he's sharing it with us. What other explanation do you have for his success?
Sent from my HTC Glacier using XDA App
vikashfoolsu said:
I understand that you're just trying to state the facts and such but the op had success in doing what he did and that's why he's sharing it with us. What other explanation do you have for his success?
Sent from my HTC Glacier using XDA App
Click to expand...
Click to collapse
Read the whole thread you will understand it.
1) Original SIM defected.
2) Old SIM deactivated when new activated.
Don't forget explanation means nothing as we want results which means under same condition everyone should be able to replicate it. Then only then can it be called facts as its applicable proven.
surfnhawaii808 said:
Old sim...
http://www.speedtest.net/android/35832797.png
NEW VICC SIM....
http://www.speedtest.net/android/35832736.png
Pictures speak for themselves...
sent from my rooted mytouch 4g
Click to expand...
Click to collapse
Uicc sim card.... and yes it will make a difference BC old Sims are rated at 90000 connections. The Uicc sim cards are unlimited connections and support faster provisioning.
http://www.justaskgemalto.com/en/communicating/tips/what-uicc-and-how-it-different-sim-card
sent from my rooted mytouch 4g
sk337sk337 said:
Uicc sim card.... and yes it will make a difference BC old Sims are rated at 90000 connections. The Uicc sim cards are unlimited connections and support faster provisioning.
Click to expand...
Click to collapse
Now taking it that since we are using HSPA+ Rv1 the limit is 21mbps which is throttled to 14mbps on MT4G and TMo close to 7mbps now as you can see half of that mostly used on UTMS/HSDPA. Now far as the unlimited connection goes as we are aware of that as I stated but far as provisioning faster tier goes it subjective. As this has been discussed in the past with little to no result.
surfnhawaii808 said:
http://www.justaskgemalto.com/en/communicating/tips/what-uicc-and-how-it-different-sim-card
sent from my rooted mytouch 4g
Click to expand...
Click to collapse
Thank you for not understanding what you read and posting the first thing you found on Google search.
Is there a possibility that this could be explained by an old and worn-out card as opposed to technical differences?
I'm using a 5 year old card and it seems fine.
Sent from my HTC Glacier

3g on 4g network

Can anyone tell me if you have a 3g phone will it work on 4g network at 3g speeds...i day this cause att is installing 4g in my area and all we have now is edge....
Sent from my SAMSUNG-SGH-I897 using XDA App
The 4g AT&T networks are usually rebranded 3g. So yes, 3g should work fine.
Hey thanks I've got a friend thats installing the circuits for 4g ....but didn't know if you could connect 3g through the 4g
Sent from my SAMSUNG-SGH-I897 using XDA App
my dad is on vacation and wasn't getting data signal.
he stopped in an att store and they thought his sim had failed.
they installed a 4g sim card in his captivate
bames said:
my dad is on vacation and wasn't getting data signal.
he stopped in an att store and they thought his sim had failed.
they installed a 4g sim card in his captivate
Click to expand...
Click to collapse
Oh cool my dad works for nintendo and he says their is a secret level in ocarina of time.
comdei said:
Oh cool my dad works for nintendo and he says their is a secret level in ocarina of time.
Click to expand...
Click to collapse
DUDE! My dad knows Link, tell me where that secret level is!
a sim card is a sim card. doesnt matter what it says on it.....
Pirateghost said:
a sim card is a sim card. doesnt matter what it says on it.....
Click to expand...
Click to collapse
Damn, you had to burst his bubble, didn't you.
I got my 6g sim card from the Bieber. I'm getting mad speeds.
Yes, 3G will be around for awhile, just as EDGE is still around.
I got my 6g sim card from the Bieber. I'm getting mad speeds.
This has me currently crying from laughter
Sent from my SAMSUNG-SGH-I897 using XDA Premium App
Not true. SIM profiles will change and when you upgrade to a new data network the older SIM may not have the full profile and can't get it via SIM OTA.
Pirateghost said:
a sim card is a sim card. doesnt matter what it says on it.....
Click to expand...
Click to collapse
Sent from my SAMSUNG-SGH-I897 using XDA App
ianwood said:
Not true. SIM profiles will change and when you upgrade to a new data network the older SIM may not have the full profile and can't get it via SIM OTA.
Sent from my SAMSUNG-SGH-I897 using XDA App
Click to expand...
Click to collapse
LOL. tell that to my CINGULAR SIM card then.
Pirateghost said:
LOL. tell that to my CINGULAR SIM card then.
Click to expand...
Click to collapse
I think AT&T network kept the cingular Access Point.
Currently the APN for AT&T 3G is wap.cingular
amtrakcn said:
I think AT&T network kept the cingular Access Point.
Currently the APN for AT&T 3G is wap.cingular
Click to expand...
Click to collapse
you guys do realize that ATT is marketing their 4G, when its actually only HSPA+?
also, you seem to think that the SIM card is going to need to be changed for '4G' speeds? why? the only thing that needs to change for '4G' is the hardware has to support it.
SIMS cards do need to be changed from time to time because of types of services or network upgrades.
Older SIM cards may still work but that doesnt mean you will always get full network/sevice potential.
There is good reading outside of XDA about this if you search a little, and ignore the junk search results
Sent from my SAMSUNG-SGH-I897 using XDA Premium App
Pirateghost said:
LOL. tell that to my CINGULAR SIM card then.
Click to expand...
Click to collapse
What's this then:
http://www.bgr.com/2010/10/21/att-starts-switching-to-lte-compatible-sim-cards/
Cingular changed their UICC profile (SIM) in 2005 when they introduced ISIM and USIM profiles to support 3G. Now to support LTE, they've introduced... wait for it... a new SIM! OMG!!!!
BTW, LTE unlike HSPA+ uses a totally different core called EPC and thus has a different APN and several other new profile settings.
BTW, BTW, APN is typically a device driven setting and NOT a UICC setting. There's a difference.
groves226 said:
SIMS cards do need to be changed from time to time because of types of services or network upgrades.
Older SIM cards may still work but that doesnt mean you will always get full network/sevice potential.
There is good reading outside of XDA about this if you search a little, and ignore the junk search results
Sent from my SAMSUNG-SGH-I897 using XDA Premium App
Click to expand...
Click to collapse
ianwood said:
What's this then:
http://www.bgr.com/2010/10/21/att-starts-switching-to-lte-compatible-sim-cards/
Cingular changed their UICC profile (SIM) in 2005 when they introduced ISIM and USIM profiles to support 3G. Now to support LTE, they've introduced... wait for it... a new SIM! OMG!!!!
BTW, LTE unlike HSPA+ uses a totally different core called EPC and thus has a different APN and several other new profile settings.
BTW, BTW, APN is typically a device driven setting and NOT a UICC setting. There's a difference.
Click to expand...
Click to collapse
HAHAHAH!!!!!!!!!!!
you think these devices are capable of LTE?!
seriously guys, ATT's 4G network is nothing more than 3.5G.....its not a real 4G network. All of the info I have found coming from ATT techs has been that there is no real difference between 4G and 3G SIM cards....
Pirateghost said:
you guys do realize that ATT is marketing their 4G, when its actually only HSPA+?
also, you seem to think that the SIM card is going to need to be changed for '4G' speeds? why? the only thing that needs to change for '4G' is the hardware has to support it.
Click to expand...
Click to collapse
I know what HSPA+ is...
Anyway, AT&T shipped me a new SIM when I received my Atrix 4G. Not really sure if it's necessary but AT&T did that.
BTW, as far as I know a GPRS/EDGE SIM cannot do WCDMA on a WCDMA network.
amtrakcn said:
I know what HSPA+ is...
Anyway, AT&T shipped me a new SIM when I received my Atrix 4G. Not really sure if it's necessary but AT&T did that.
Click to expand...
Click to collapse
i have a new SIM with each of my Atrixes, and when I called in to get my account provisioned for my Atrix, i told them i had an old Cingular sim card. they said 'if you arent having any problems, then there isnt any need to change it'
so here i sit with 2 ACTIVE 4G sim cards and 2 ACTIVE '3G' sim cards and not a damn one of them is any different on any phone for any speeds....
my phone line up on ATT currently consists of:
2 captivates
2 atrixes
1 aria
PS. im not an idiot
Pirateghost said:
i have a new SIM with each of my Atrixes, and when I called in to get my account provisioned for my Atrix, i told them i had an old Cingular sim card. they said 'if you arent having any problems, then there isnt any need to change it'
so here i sit with 2 ACTIVE 4G sim cards and 2 ACTIVE '3G' sim cards and not a damn one of them is any different on any phone for any speeds....
my phone line up on ATT currently consists of:
2 captivates
2 atrixes
1 aria
PS. im not an idiot
Click to expand...
Click to collapse
Since you have practiced, you should be correct. I didn't get a chance to test my original SIM in Atrix.
However I still recall my China Mobile SIM didn't get 3G while roaming in US... Maybe just my problem.

Which SIM card is best and why? Yes there is a difference.

I've personally experienced the differences with SIM cards.
Having been with T-Mobile (since Voicestream) I've gone through tons of SIM cards throughout the years. For the heck of it every time I got a new phone I just swapped to the new SIM.*
Ok so let's talk present day. I've noticed that the SIM cards have been changing. The large gold surface area is now small etc...
* Recently (past few years) before all the smart phones started to pop up like crazy, I was using the same SIM card with several devices. I remember getting crappy data speeds at one point then I swapped out to a newer SIM and it was night and day.
Now it looks like the newest SIM's are marked with an, "activate by," date. I wonder if there are limits to how many times that SIM can connect to the network?
Anyhow, anyone with advanced knowledge about SIM's, your input would be greatly appreciated. I find it a pretty interesting topic due to my personal experience. There has to be something with the changes that do effect the data speeds for example.
Below are some pics...
"SO FOR THOSE WHO ARE HAVING CONNECTION ISSUES, COULD IT BE PERHAPS YOUR SIM?"
the reps at a store just told me to makr sure I used the new sim card they gave me because only their new ones allow for the 4g network
they have a diff design hatched in the gold
but u r correct in noticing the difference
sent from my G2X with no regrets
rich2thad said:
the reps at a store just told me to makr sure I used the new sim card they gave me because only their new ones allow for the 4g network
they have a diff design hatched in the gold
but u r correct in noticing the difference
sent from my G2X with no regrets
Click to expand...
Click to collapse
That's odd, I'm still using my sim from my old G1 and I hit 9018kbits when I did a speed test a couple of days ago.
Sent from my LG-P999 using XDA Premium App
rich2thad said:
the reps at a store just told me to makr sure I used the new sim card they gave me because only their new ones allow for the 4g network
they have a diff design hatched in the gold
but u r correct in noticing the difference
sent from my G2X with no regrets
Click to expand...
Click to collapse
Interesting as figured. Thanks for your input.
well in their defense , they said new sim card in respect to at some point in time they changed how thw sim cards were made and was concern if i had an old one seeing as I've been with then for years...
but
ugh I wish I got speeds like that northern cali speeds suck ...
in sacramento I get maybe 1mb if I'm lucky usually around 0.85mb/s
sent from my G2X with no regrets
I just switched sim cards one day ago. I switched to the one that came with the phone. I notice no difference at all. The old one had been in my vibrant for about 7 months. T mobile rep told me that the only difference in sims(size of gold area) is how many contacts they will hold. I do not believe that for a minute. I just sold my Nexus One and it would not recognize the sims with the smaller gold contact area. I have been told so much BS from CS and tech reps at tmobile that I rarely believe any thing they say at this point. I am getting a replacement phone which should arrive on Monday. I just hope that it is free of most of the issues that my present one has or what I have seen listed in these threads. I really really like this phone just hope either it is issue free or the issues are addressed by LG right away if not I will send back and cancel the order. This phone has potential to be THE Beast of the the Bunch!!!!
I just got a new sim card with smaller gold area for my N1 and it works fine.
Sent from my Nexus One using Tapatalk
davehasninjas said:
That's odd, I'm still using my sim from my old G1 and I hit 9018kbits when I did a speed test a couple of days ago.
Sent from my LG-P999 using XDA Premium App
Click to expand...
Click to collapse
I'm also using one that I got with my G1 and am pulling down almost 6mb myself. The TMo rep stated that my SIM will work just fine, and it does. But if I notice slow speeds, I should just activate the new one and put that in.
Side note, anybody know how to activate it to your account without having to go through the completely clueless IVR? Perhaps through their website?
Fernanernie said:
Side note, anybody know how to activate it to your account without having to go through the completely clueless IVR? Perhaps through their website?
Click to expand...
Click to collapse
Closest I know of is doing a chat session with a rep through their web site. I have only swapped SIMs once when I switched to the Nexus One and had the 3G connection issues (didn't have them with the G1). Went smooth and had no problems.
I work at a retail store and the newest SIMs have a matte white finish to them and have the numbers "5.0.0.1" on the bottom. I don't know if it gets you faster speeds , but generally these ones fix most customers connection problems.
Sent from my LG-P999 using XDA Premium App
I'm having super nasty reboot issues, but I also have the SIM from my T-Mobile Wing still so I'm going to go swap it tomorrow and see if it at least helps.
I just chatted with T-Mobile customer rep online and she swap for me in 5 mins. Painless process.
Been curious lately myself. To Tmobiles reps surprise when I told them. (After they said I wouldnt have 3g or 4g) I told them I am still using my simcard from 2003.. from my Nokia 3650! I use it in my G1, I have used it in my HD2 with Android and Better windows rom for HSPA (4g) just fine..
Reps didnt really believe I am using that old of a sim card. I am however. Data speed seems fine to me. Wouldnt mind being proven wrong if a new sim style has faster speed.
I will believe the new sim cards have larger space for contacts tho.
The main reason I think there are new sim cards and they are being pushed, is due to sim cloning. Older sim cards could be cloned so you could put multiple numbers on 1 sim, or just clone it to prevent swapping. Newer sim cards however, cant really be cloned. So if you want my thoughts, its not about the data, its about the security.
That's a good observations.
Sent from my LG-P999 using xda premium
rich2thad said:
well in their defense , they said new sim card in respect to at some point in time they changed how thw sim cards were made and was concern if i had an old one seeing as I've been with then for years...
but
ugh I wish I got speeds like that northern cali speeds suck ...
in sacramento I get maybe 1mb if I'm lucky usually around 0.85mb/s
sent from my G2X with no regrets
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I am in Northern Ca too, and I am getting between 2.5-4M down, and 1.1-3 Up
As far as how GSM works i know the carriers network information is on the sim card not the phone. Hence why you can swap GSM carriers on your phone at any time. The sim card carries the prl which instructs the phone what towers to use. So getting a new sim card once or twice a year would seem like a good idea.
This is my guessamation lol
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Older SIM cards, unlike the newer ones, have an activation limit (usually ~90,000 or so). Once this limit is reached, the SIM card will not connect to the network anymore. The 'activation' event occurs each time your modem connects to a new cell radio on the towers. This wasn't a large issue with GSM/EDGE because they had a larger cell radius and your phone would use data less. With HSPA(+), your phone can make hundreds of connections in a day, sometimes thousands.
JaiaV said:
Older SIM cards, unlike the newer ones, have an activation limit (usually ~90,000 or so). Once this limit is reached, the SIM card will not connect to the network anymore. The 'activation' event occurs each time your modem connects to a new cell radio on the towers. This wasn't a large issue with GSM/EDGE because they had a larger cell radius and your phone would use data less. With HSPA(+), your phone can make hundreds of connections in a day, sometimes thousands.
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Never seen or heard this one before. I mean using it since 2003 to now. I would be sure over my time and travel I wouldve connected that much and more.
First off - there is supposedly a problem for Wifi calling and the G2X and the TM9177 sim card,
many seem to find that switching to an older TM9073 (or TM9035) SIM card fixes the wifi calling problem.
see: http://support.t-mobile.com/thread/10103?tstart=0
see: http://support.t-mobile.com/message/68263
I had the older TM9073 which worked great for 2g/3g/HSPA+/wifi calling- but it died on me while traveling for work, and I was fortunately able to stop by a T-mobile store, and they gave me a new SIM --- the TM9177 --- which works fine for 2g/3g/HSPA+... but wifi calling is a mixed bag, it works on some ROMS, but not otthers.. whereas before the TM9073 works for all ROMs.
arvonn said:
First off - there is supposedly a problem for Wifi calling and the G2X and the TM9177 sim card,
many seem to find that switching to an older TM9073 (or TM9035) SIM card fixes the wifi calling problem.
see: http://support.t-mobile.com/thread/10103?tstart=0
see: http://support.t-mobile.com/message/68263
I had the older TM9073 which worked great for 2g/3g/HSPA+/wifi calling- but it died on me while traveling for work, and I was fortunately able to stop by a T-mobile store, and they gave me a new SIM --- the TM9177 --- which works fine for 2g/3g/HSPA+... but wifi calling is a mixed bag, it works on some ROMS, but not otthers.. whereas before the TM9073 works for all ROMs.
Click to expand...
Click to collapse
+ 1 my new SIM didn't like wifi calling at all... but switched to the TM9073 and never had a problem since on any rom.
Sent from my HellfireKindle using Tapatalk 2

Sim card

Recently a buddy of mine picked up a couple of S lll's and I don't know how the subject came about but he was asked by the sales rep if he has a 4G sim card. He had no idea, turns out he did not and they upgraded him to a 4G sim for no charge. He states that now his data seems more responsive and quicker. Many of us have been with T-Mobile for a while and just kept using our original sim card when upgrading phones. What do you guys think, is this just a placebo or does it make sense and could we benifit from a new sim card. Also don't say this is wrong section that it should be in andriod general, I'd rather it be discussed in here with people I know it will help ween out the BS replies.
Sent from my SGH-T959V using xda app-developers app
I know when I was in a T-Mobile store a couple months ago and complained about data speeds being slow on my gnex the rep told me it's recommended to change Sim cards yearly. She gave me a new Sim and my data speeds almost tripled according to speedtest.net right there in the same location after multiple runs with both Sim cards, and my old Sim was a "4G" card.
Sent from my Nexus 7 using xda premium
95Z28 said:
I know when I was in a T-Mobile store a couple months ago and complained about data speeds being slow on my gnex the rep told me it's recommended to change Sim cards yearly. She gave me a new Sim and my data speeds almost tripled according to speedtest.net right there in the same location after multiple runs with both Sim cards, and my old Sim was a "4G" card.
Sent from my Nexus 7 using xda premium
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Click to collapse
Do you know the reason for the bolded part?
Im sure Ill be told Im wrong but, with gsm phones the prl info is kept on the sim card. When towers are upgraded and added for some reason gsm carriers have not found a way to update the sim card OTA. Therefore you need to get a new sim card. This is what I was told by the local ATT/T-MO reps. A customer that was "evedropping" piped up and said nah man they could update it OTA but then they couldnt charge you the 5 bucks for a sim card. The look of horror on the reps face was funny.
Yes my local t-mo store is also a att store. Its not a corporate store just a franchise. They also use to be a alltel payment center.
After reading this thread I called T-Mobile and asked them about this since my sim card is 3yrs old...
They upgraded me for free.
So i headed over to a T-Mobile store and the Rep said yea i had a 2nd generation card and that with this new one...i will see a drastic change data and speed,and he was right,i do.
screenshots of speed tests or it didn't happen
Personally I don't care if anyone believes me lol.
Its up to you if you want a new sim card or not....its free and what's the harm...anyway I'm not here to prove or dissprove. Do what you want.
Shortbus-Driver said:
After reading this thread I called T-Mobile and asked them about this since my sim card is 3yrs old...
They upgraded me for free.
So i headed over to a T-Mobile store and the Rep said yea i had a 2nd generation card and that with this new one...i will see a drastic change data and speed,and he was right,i do.
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Was it free?
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Yes its says that in the 2nd paragraph of my post and in your quotation of my post lol.
Also says that in the post directly above yours.
+1 to the free. In case I wasn't clear the rep gave me a new sim, not sold. Around here T-Mobile gives free replacement sim cards all the time as a trouble shooting method, myself and everyone I know has never had to pay for one.
And yes, she explained the whole updated towers like previous poster mentioned.
Sent from my Galaxy Nexus using xda premium
Wind gives free SIM's too when something doesn't work. My data worked, calling work, receiving txt's worked but I couldn't send a txt. I reflashed ROM's, everything, tried another SIM in my phone, sending txt worked fine. It was my card, new card, could send txt. It seems silly that everything worked but sending a txt and a new SIM fixed it.
getochkn said:
Wind gives free SIM's too when something doesn't work. My data worked, calling work, receiving txt's worked but I couldn't send a txt. I reflashed ROM's, everything, tried another SIM in my phone, sending txt worked fine. It was my card, new card, could send txt. It seems silly that everything worked but sending a txt and a new SIM fixed it.
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Click to collapse
Sometimes, when only my texting doesn't work, all I have to do is remove my sim and put it back it after about a minute.
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