Definition of UNLOCKED Phones:
Unlocked phones are opposite to contract/subscriber phones which are limited to certain phone carriers, but unlocked phones are free in any phone carriers if their network frequencies are matching.
Definition of Quad Band Phones:
Quad band phones support GSM850/900/1800/1900MHz simultaneously
Posted by: lionheart
I have 9 months left on my t-mobile contract and I’m content with their service. The problem is I want a phone that another carrier has that is not offered by t-mobile. Can I use my sim card with their phone if I purchase an unlocked phone of that type and still have the same service and regular cell phone functions that I have now.
Answered by onThesource(ONLY for reference)
Sure, the unlocked phone can work well with your pre-paid SIM card, but you should make sure the phone supports GSM900/1800/1900MHz which is required by the SIM card of T-Mobile.
Posted by: shiloh64
I have an unlocked at&t tilt aka kaiser Htc tynn. My question concerns how do I get T-mobile software on and At&t software off?
I am trying to sell this phone and it’s confusing to potential buyers. From T-mobile when they place their sims in and it still shows at&t software it is unlocked because otherwise it would ask for PUK a code or message insert sim card.
I unlocked it myself when contract was up requested and received the PUK code used old t-mobile sim card. Any information would be appreciated. Thanks
Answered by onThesource(ONLY for reference)
That indicates the phone is not really unlocked, and it can not work suitably with pre-paid SIM cards.
Posted by: open1
Once a cell phone is unlocked would I still have to pay for extras like GPS and Web access? Or is all this unlocked to me? If not, how can I get all this for a low cost?
Posted by: jillactor
If I bought an unlocked phone intending to use it with Metro PCS, would all the features that metro supports work, or just some?
Answered by onThesource(ONLY for reference)
1> Sure, you should pay extra monthly, just like you have make more calls.
2> Unlocked phones are none of business with them.
3> Sorry, we don’t know Metro PCS, we can not answer this question.
Posted by: pirate73
I was thinking about buying a unlocked phone, but i do not know if it will work with US Cellular? If any one could answer my question that would be great.
Answered by onThesource(ONLY for reference)
We can not locate the concrete network frequency of US Cellular. We suggest you buy those UNLOCKED phones which support 850/1900 simultaneously, namely, quad band cell phones.
Posted by: anon25788
So if I by an unlocked phone (considering the an unlocked model of my current phone)will I need any special code, etc. to enable the internet browsers, email connections,etc.? All I have to do in put in my sim card & go?
Answered by onThesource(ONLY for reference)
What you have to do is to only put the SIM card into the unlocked phone.
Posted by: loonster5234
I bought a Motorola trac phone and i like the size. Can i activate this phone on my Verizon account?
Answered by onThesource(ONLY for reference)
Please make sure whether this phone is a contract phone or unlocked phone, if for the former, you can not activate it, if for the latter, needless to activate.
Posted by: anon25535
Do i have to pay for service with the sim card? I have verizon but want an i-phone and i can’t afford the switch to another carrier.
Answered by onThesource(ONLY for reference)
1> Needless to pay extra.
2> Verizon requires CDMA, as we know, iPhone does not support CDMA so far.
Posted by: taytay10
i want to buy a unlock phone from t-moble but i have at&t and i am wondering will the phone work when i get it for at&t
Answered by onThesource(ONLY for reference)
Quad band unlocked phone can help you realize it.
Posted by: cncisco
so, will an unlocked phone work with a Net10 or TracFone SIM card?
Answered by onThesource(ONLY for reference)
Sure, it will.
Posted by: anon23853
hey, for all you guys that are asking if the unlocked phone will work with your SIM card, look up the phone you want on ebay (there are tons of unlocked phones there) and read the description. it should tell you which SIM cards it works with and answer any other questions you have.
Answered by onThesource(ONLY for reference)
Unlocked phones are opposite to contract phones, but do not mean they can work in any phone carriers, as you know, different phone carriers need different network frequencies.
Posted by: anon23491
I want to buy a phone from ebay.online auction….will it work in India?
Answered by onThesource(ONLY for reference)
Sure, it will.
Posted by: anon23395
I plan on buying a phone as a gift and I know my friend uses ATT and still has a year under the existing contract. I was wondering what my safest bet was? I would hate to get a phone that couldn’t be used!
Answered by onThesource(ONLY for reference)
Buy one unlocked quad band phone, and put the SIM card into the new phone, just go there.
Posted by: anon23316
Could you use an unlocked phone with Tracfone?
Answered by onThesource(ONLY for reference)
Sure, you could.
Posted by: anon23252
If I buy an unlocked cell phone, and transfer my sim card from my old AT&T Pay as You Go Phone, is it necessary then to go to AT&T Dealer if I want to retain my current number????
Answered by onThesource(ONLY for reference)
Needless, as the number does not change at all.
Posted by: anon23017
good web page… I am a tech nerd and I still did not know what it means to have an unlocked phone… keep seeing all these ads for “unlocked” phones, I wanted to know… now i know and knowing is half the battle… GO Joe.
Answered by onThesource(ONLY for reference)
Please find the definition of unlocked phones on top.
Posted by: mariz0107
thank you soooo much for this… i didnt quite understand the concept but now i do…i have a question though… if unlocked means they can read any sim card that’s inserted in the phone… does it mean that i can insert sim cards from any country; because i live in panama, latin america and i travel to the U.S and a lot and i was wondering if i could just buy one of these phones and buy a sim card of an american carrier and use it when i’m there and when i get back use my regular sim card??
Answered by onThesource(ONLY for reference)
Quad band unlocked phones can help you solve it. Good luck!
Posted by: anon22875
Thank you sooooo much!!! You are providing such a great service for all of us non-geeks. Thank you Thank you Thank you!!!
Answered by onThesource(ONLY for reference)
You are welcome. Good luck!
Posted by: anon22331
I am trying to get the sim card out of a Samsung SCH-U340 … pretend you are speaking to a child and explain how to get to the card … is it under the battery, do you have to unscrew the phone to get to it? Thanks!
Answered by onThesource(ONLY for reference)
Sure, it is a simple question.
Posted by: MoselyJ3
This article is very helpful. I am just looking into the concept of unlocked cell phones. I am learning about SIM cards and the different networks GSM and CDMA. There is one thing I do not understand. If I purchase the unlocked cell phone I want and insert the SIM card, am I good to go? Do I have to sign with or notify any company? Is there a next step I am missing? Thanks so much.
Answered by onThesource(ONLY for reference)
What you are required to do it to put the old SIM card into the new unlocked phone.
Posted by: mrhappy
im lookin to by a unlocked iphone that works with a Sim. i have verizon service. i was wondering if it would work with my service since verizon phones dont have Sim card in them
Answered by onThesource(ONLY for reference)
Please buy the unlocked phones which support CDMA, not GSM.
Posted by: nick0608
I never knew what an unlocked phone was and didnt know about this site earlier but my answers were answered when i called popular electronics and bought a phone from them for a great deal! This site is very helpful as well thank You!
Answered by onThesource(ONLY for reference)
Thanks for your frequent visits.
Posted by: ssa727
has anyone bought a phone from big time wireless?
Prices are good, but I never bought a phone online before.
Please advise. Thank you!
Answered by onThesource(ONLY for reference)
Why try to buy some unlocked phones from onThesource? Thanks!
Posted by: anon19595
Cellhut is a great place to buy unlocked cell phone. They’ve got some cool next-gen phones from HTC and Nokia
Answered by onThesource(ONLY for reference)
Please rest assured to buy some unlocked phones from onThesource. Thanks!
Posted by: rmtar
I just purchased an unlocked LG Shine. My contract with T-Mobile expires in December. Then what? Do I pay for each call? Do I just continue to use the SIM card that I have from my T-Mobile contract? How will I be charged for calls / service?
Answered by onThesource(ONLY for reference)
Just like before.
Posted by: pricanbeauty
I have a tmobile service and I am trying to buy a side kick slide and the phone is new and not unlocked will I have a problem with. Can I just put the sm card with no problem.
Answered by onThesource(ONLY for reference)
No problem. Just do it.
Posted by: anon17316
Unlocked phones are awesome! they let you switch between sim card from different networks. I always use an unlocked phone because I travel a lot and it saves me a heck of a lot of money on roaming charges, i just buy a pay as you go sim card from my destination, pop it into the phone and it works straight away! Trust me you should use an unlocked phone, it’s well worth it!
Answered by onThesource(ONLY for reference)
Good luck!
Posted by: anon17007
Can you use unlocked phones on U.S. Cellular?
Answered by onThesource(ONLY for reference)
Sure, you can.
Posted by: anon16897
I just bought an AT&T Tilt (8925) and bought an unlock code on the internet. Now I’m using my tilt with Fido in Vancouver on Pay as you go. so yes it works right away, just pop in a sim card and your ready to go! It’s just great to have an unlocked phone, I’m planning on taking it to Germany with me in September and just buying a local sim card there. that way I avoid huge roaming charges.
Answered by onThesource(ONLY for reference)
Good luck!
Posted by: cmw
If I want to purchase a cellphone online (a razor v3) that would work the “Cellular South” Network. A CDMA? What do I look for? Most unlocked phones say they are GSM or they are for Version/Alltel/US Cellular/etc.
Answered by onThesource(ONLY for reference)
V3 phone does not support CDMA. We will update some CDMA unlocked phones soon. Please concern us closely. Thanks!
Posted by: anon16339
Warmbrown – You asked whether unlocking a phone is illegal? If the carrier will eventually do it for a fee what do you think?
Answered by onThesource(ONLY for reference)
So far, unlocked phones are legal, and we think it is a tendency, after all, it is a telecommunication revolution.
Posted by: rob007ny
does the SIM card of the Samsung ACE or the Blackberry 8830 World Edition from Sprint work with any unlock phone?
Answered by onThesource(ONLY for reference)
Sprint company needs CDMA phones.
Posted by: anon14984
how do I know if my phone is unlocked?
Answered by onThesource(ONLY for reference)
Put other SIM cards into test(call out and call in), but it can not give you an exact result.
Posted by: anon13900
All ‘unlocked’ phones do is allow you to use the particular phone with any of the service providers that use SIM cards. There’s no point in specifically buying one if you don’t plan on changing providers or if your provider doesn’t use SIM cards.
Answered by onThesource(ONLY for reference)
Correct partly. Consumers should care the frequencies between them.
Posted by: anon13582
I am thinking of buying an unlocked phone. Will I be able to use it with a prepaid “jump” account. Jump is a division of Cricket? Thank you! Lin
Answered by onThesource(ONLY for reference)
Sure, it will.
Posted by: taurus
I purchased a unlocked nokia 7360 from ebay and used my sims card from previous phone. I can’t get a signal for the phone the carrier is AT&T do I need to contact them?
Answered by onThesource(ONLY for reference)
Nokia 7360 only supports GSM 900/1800/1900MHz, so it can not work in AT&T. Besides, it has been out of production for some months.
Posted by: anon12692
I don’t know if is legal to use unlocked phones or it could conceal a crime?
Answered by onThesource(ONLY for reference)
How can a cell phone make a crime? Impossible.
Posted by: anon12249
I bought a new phone from Palm as “unlocked”. Turns out, it can only be used with AT&T. Isn’t that a locked phone?
Answered by onThesource(ONLY for reference)
If so, it is not unlocked phone. Contact them soon.
Posted by: unlocked
yes the iPhone can be unlocked. Most unlocked GSM phones will work on any GSM network.
Answered by onThesource(ONLY for reference)
Exactly.
Posted by: lgrivera
If I buy an unlocked phone will it work with Suncom Wireless which is in Puerto Rico?
Answered by onThesource(ONLY for reference)
You’d better buy quad band unlocked phones.
Posted by: anon9435
can i unlock nokia 6101?
Answered by onThesource(ONLY for reference)
It is said some software can do it, but we don’t know who can. Besides, it is a dangerous operation for the phone, maybe it harm the phone forever.
Posted by: anon9099
Can the iPhone be made unlocked? How, who would do it? Thanks, AlexK
Answered by onThesource(ONLY for reference)
It is said some software can do it, but we don’t know who can. Besides, it is a dangerous operation for the phone, maybe it harm the phone forever.
onThesource offers many iPhone copies, they are completely unlocked.
Posted by: anon9036
I would like to buy a pda phone that can support any gsm network from 900/1800/1900, but i have the 3g sim card and it says that it covers 850/1900 network. The guy on ebay says that the phone will work with any of those 3 gsm (900/1800/1900). My question is, will the phone work if i insert my sim card even though it’s a 850 network sim card?
Answered by onThesource(ONLY for reference)
We think it is a joke. We never see such a advanced phone which supports GSM and 3G signals simultaneously, at least so far.
Posted by: anon8439
I just purchased an unlocked blackberry 8310 to replace my 1st gen bb. When I insert the SIM card, will it use the phone number from the previous phone? Will I still have all of the same email server and bluetooth settings?
Answered by onThesource(ONLY for reference)
The phone number is the same as before. We think you should configure this new phone, but not very sure.
Posted by: miket601
Does the nokia N95 work with cellular south?
Answered by onThesource(ONLY for reference)
Yes, it does.
Posted by: anon7665
i just bought a nokia N95 on ebay. I have service with cellular south. they say i can’t activate a phone unless i bought it from them. They don’t use sim cards and don’t carry that phone. The nokia N95 that I purchased is unlocked. Is there any way I can use the nokia N95 with cellular south?
Answered by onThesource(ONLY for reference)
Theoretically, it can. Please make sure whether it is an unlocked phone.
Posted by: Brundin
I have a two year old Palm Treo 750. I wanted to switch carriers from Sprint to Verizon when I came up against the ‘proprietary’ aspect of the phone.
Being 77 and recently retired, am I forced to stay with Sprint, or is there a way for a wise geek to unlock this (now $400) pink elephant to use with Verizon?
Answered by onThesource(ONLY for reference)
Sprint and Verizon both require CDMA signal. We think a CDMA unlocked phone can solve it.
Posted by: anon7530
i bought a unlocked Motorola Razr V3 on ebay and i have a nokia 90.
i have a <> card in my nokia….
can i put the card in the razr and it will work?
Answered by onThesource(ONLY for reference)
Motorola Razr V3 is a quad band phone. But you should tell us your phone carrier name firstly. Thanks!
Posted by: anon5805
if you buy an unlocked phone off ebay, say the samsung trace, can you then use it as a prepaid phone?
Answered by onThesource(ONLY for reference)
If it is unlocked, then it can, or else, it can not.
Posted by: anon5460
No, you can’t just put any old SIM card in a cell phone and expect it to work. If the card is not associated with an account at a service provider, you won’t get any service (except maybe 911).
And yes, this article has nothing to do (currently) with Sprint. Sprint is not GSM, does not use SIM cards, and thus “an unlocked phone” is not a concept that applies.
Answered by onThesource(ONLY for reference)
Good luck!
Posted by: anon4522
Do you have to have a service plan or do you just put in a SIM card and then you can call anybody anytime for free? thanks
Answered by onThesource(ONLY for reference)
That is the obvious function of unlocked phones.
Posted by: warmbrown
Is unlocking a phone illegal?
Answered by onThesource(ONLY for reference)
Sure, legal.
Posted by: warmbrown
Can the Nokia N75 be unlocked to use with T-mobile? I really like the phone,but I don’t think T-mobile sells it. I want to be added to my husband’s t-mobile acct and I like that particular phone
Answered by onThesource(ONLY for reference)
Nokia N95 is a quad band phone. It can work with T-Mobile.
Posted by: anon4463
I want to get the Unlocked LG enV VX990 that’s meant to be for verizon but I have cinglular? Will it work?
Answered by onThesource(ONLY for reference)
No, as different frequencies.
Posted by: khensley
i currently have sprint for my cell phone provider, i was interested in buying an unlocked cell phone but dont know a lot about it…. is it possible to use an unlocked cell phone with sprint?
Answered by onThesource(ONLY for reference)
Unlocked CDMA phone can solve it completely.
Posted by: anon3548
It is very VERY important you look at your sim card… for instance att in the us is running the 3g sim card. if you buy an unlocked super phone off the net that is for 2g sim card then you will most likely have issues when getting it on the us network. 2g and 2.5g sim cards are used everywhere else in the world as the networks are slowly changing over to 3g.
sim cards are in gsm network phones..
good luck..
Answered by onThesource(ONLY for reference)
Good luck!
Posted by: bluedragon
Hi, I want an unlocked CDMA cello phone that I can use in Korea, where can I buy one. (they don’t seem to have them here, or their $300.00)
Answered by onThesource(ONLY for reference)
We will update some CDMA phones on web site soon.
Posted by: anon3141
Can you use an unlocked phone with alltel?
Answered by onThesource(ONLY for reference)
Sure, you can.
Posted by: reeliao
According my experience, if the phone is unlocked, it will be compatible with any carrier’s network with the same band that your phone supports, for example, if your unlocked cell phone supports GSM 1900,it can be useful in any network with GSM 1900 band.
In conclusion,you need pay attention to two factors: unlocked and GSM band.
I bought an unlocked cell phone on line days ago, which support four band, which means it can use in almost every countries on earth, and feel good, further more, it is inexpensive.
By the way, the online shop i dealt with is Uxcell ,you can get this shop with searchaing “uxcell” in goggle, and the phone i bought is :
“Nautilus” 3 inch TFT Touch Screen PDA 2.0 Mega Camera MP4 MP3 Mobile phone.
Answered by onThesource(ONLY for reference)
Good.
Posted by: anon2357
Is there anyway you can ‘relock’ a phone once it has been unlocked? I have an unlocked RZR and I’d really like to lock it back to the original t-mobile service.
Answered by onThesource(ONLY for reference)
It is easy to make unlocked from locked, but not as opposite.
Posted by: spoiledm91
Will an Unlocked cell phone work for U.S. Cellular??
Answered by onThesource(ONLY for reference)
Sure, it will.
Posted by: anon2002
From what I’m getting, if you use Verizon, Sprint or Virgin Mobile you cannot use an unlocked phone.
Answered by onThesource(ONLY for reference)
To the form two, you should buy CDMA unlocked phones, to the latter, we don’t know the frequency of Virgin Mobile.
Posted by: anon1841
if i purchase an unlocked phone online is there any posibilities than it will work in my cellularone network?
Answered by onThesource(ONLY for reference)
Sure, remember to buy quad band phones.
Posted by: marilone
I am a Sprint Cell Phone subscriber. My puppy has chewed my phone almost to oblivion. Is there any compatible phone I can use in it’s place? I don’t want to sign up for additional service time.
From what I have read, I don’t think I can because of my service provider.
Answered by onThesource(ONLY for reference)
You should buy unlocked CDMA phones.
Posted by: anon985
If i purchase an unlocked cell phone from the states can I put my sim card from canada in it and will it work in canada???
Answered by onThesource(ONLY for reference)
Sure, the network frequencies of USA is similar to those in Canada.
Posted by: sombra
If I purchase a unlocked cell phone will I be able to use it on the Verizon network.
Answered by onThesource(ONLY for reference)
Remember to buy CDMA unlocked phones.
Posted by: anon327
Hello, I am planing on buying an unlocked cell phone (sony ericsson z610i) and it is NOT quadband. It only supports Tri Band 900/1800/1900. Is there a way to figure out if the Cingular plan that I am using right now can support any of the 3 mentioned above?
Thank you
Answered by onThesource(ONLY for reference)
No, Cingular is also names as AT&T Mobility which requires GSM850/1900MHz, you’d better buy quad band unlocked phones.
If you have any inquiries, please go to leave message at reviews area, we will reply you ASAP.
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