Ok,i purchased a Chang Xing A868 unlocked. I use an att sim card, and this phone finds networks but will not roam with them like it does on my old phone witch is a Nokia 6085. My old phone finds an att signal just fine, but on this A868 i search for networks and all it find is corr wireless.I know corr wireless roams with att.but this phone does not reconize this network as an att signal.Ive tried just about everything i can think of to make this work.PLEASE HELP.
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<span><span>What does unlocking mean?<br /><br />First, you should understand why phones are locked in the first place. Network providers lock phones so that that you are forced to use their network at their rates. No other SIM card will work in their phones. You cannot take advantage of better rates from other providers. A locked phone is subject to roaming charges.<br />When you unlock your phone, you are free of these restrictions. There is no more restriction placed on the phone by a network carrier.<br /><br />Are there advantages to unlocking my phone?<br /><br />After a phone is unlocked, you are free to use any network and any SIM card of your choosing. You can insert and use SIM cards purchased while abroad and take advantage of better rates for calls and SMS messaging.<br />You no longer pay roaming charges, and you can switch back and forth between carriers/networks. Other advantages are the increased resale value of your phone. Locking is a guaranteed safe procedure for your phone and cannot harm it.<br /><br />What is a SIM?<br /><br />A SIM stands for a 'subscriber information module'. It is a chip inserted into a GSM handset and allows the phone to work within a given network. It identifies who you are, knows to send calls to you when your number is dialed and also controls your calling rates according to your contract or pay-as-you go carrier plan.<br /><br />How do I know if my phone is locked or not?<br /><br />That's a simple one. Just borrow a SIM card from a friend that comes from an alternative carrier from yours. If the phone works, your phone is unlocked. If you get an error message, it means that your phone is locked.<br /><br />Do I have to unlock my phone every time I change SIM cards?<br /><br />No. Once unlocked, your phone stays unlocked.<br /><br />Do I save money by unlocking my phone?<br /><br />Yes. While you will still be paying your provider the usual monthly rate, you can save money by using other SIM cards for other regions or countries if you are traveling. You can avoid roaming charges and you can search around for better rates wherever you are.<br /><br />How much technical knowledge do I need to unlock my phone?<br /><br />None at all. The instructions are easy to follow and simply require that you be able to enter the code unlocking number on your keypad. If you can dial a telephone number, you can unlock via code.<br /><br />Please find the detailed Instructions here -<a href="http://unlockgenie.com/Blackberry-Manuals">http://unlockgenie.com/Blackberry-Manuals</a><br /><br /><br />Can unlocking harm my phone?<br /><br />No. Unlocking simply removes the network and SIM locks imposed by your network carrier. However, you should check your contract and paperwork to make sure that it doesn't affect your phone's warranty or that it breaks the terms and conditions of your contract. There is always the possibility that if you enter the wrong code (or a previous owner has tried) too many times that it will permanently lock your phone.</span></span>
Sim Lock also known as Network lock,You need to Unlock Your Alcatel Phone from network lock to use with other GSM Network Sim card.What is Mobile Phone model?It locked which country,Network? Buy the Unlock code from the site Onlinegsmunlock.com and Unlock it from network lock.SOS call means Emergency calls ...You can unlock it ,use any GSM Network Sim card...
But is this handset able to use your sim?
You say the phone is brand new so where did you get it?
Most new phones have software on them that only allows them to be used with ONE network.
So is this handset on your network or has it been "Unlocked" so that it can be used on any network?
If your handset was purchased from a mobile phone shop they would have told you which network it is on eg T mobile.
This means that if your Sim you wish to use in this handset is 02 it will not work in your shiny new handset. All it will allow you to do is "Emergency Calls"
Or maybe it was purchased from somewhere like ebay and NOT from a reputable trader.
This could mean that the phone has in fact been stolen and the owner has registered it as stolen to their network.
If this is the case the handset would be BLOCKED from accessing ANY network so again would give you the "Emergency Calls" only option.
If you are sure that your phone is brand new and legal you can always have it "Unlocked" so that your sim card WILL work in it.
Phone repair shops or phone unlockers will be able to "Unlock" this for you for a small fee.
Maybe not the information you really want to see but I have to tell you all possible reasons. SORRY!!!
The answer is simple...The phone is network locked...either contact the UK Vodafone customer care or contact a mobile shop where you can get it unlocked then you can use the phone in any country...I got my unlocked in INDIA for Rs. 800 that's about $20.That's all you can do because every phone has a different code...so your's one is also unique.
Your phone is locked to ATT network. Every company does that to restrict you from getting any other network. When you insert another sim of another network, your phone gets network lock.
You have to call the current network provider to unlock you from their network. Regards, Biswa.
I also have a x426 from 2003 and it wont work with the new ATT sim cards either, This is because of the Cingular/ATT merger which created a new network. The older original ATT phone must be unlocked to use a sim card from the new merged network. Try calling ATT Mobility customer service and request the subsidy unlock code. They are required to give it to you upon request, but it takes several days usually to get the code. I know because I used to work at a ATT call center.