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Different Method Of Sim Unlock At&t T-mobile
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Gsm sim card is stand for subscriber information module card and it is a plastic card having microchip on it. There are mini, micro and standard simcard. This carrier card allows you to access particular gsm network. When you manually search network it provide list of network available around your area. But you can register on only one gsm sim network which you have on your mobile. If you have dual sim smartphone then you can register on two different gsm networks.
Smartphones are locked with carrier card. This is for gsm mobile phone. So those locked devices can only access particular gsm network and when you try to register another network it ask for T-mobile sim unlock code.
At&t t-mobile both sell product with locked condition. t-mobile sell lg, Samsung, Motorola, htc and iPhone with t-mobile carrier locked similarly at&t network locked Samsung, lg and iPhone are available. These mobile are sold at discount price or at monthly installment plan. So until you paid entire due amount you are not provided unlock code from t-mobile or at&t customer care. Without unlock codes you cannot use other carrier card on that gadgets. There are many resources available online which provide unlock code for mobile. Even after you unlock mobile you must pay your due amount to cellphone company.
Each smartphone has unique Imei number. This number is very useful. Your mobile is identify on gsm network with this Imei number. For Nokia, lg, Samsung unlock codes you need Imei number of your mobile. MCC and MNC of your gsm sim card like at&t, t-mobile, Fido, cricket etc. Many gsm company ties up with companies like Nokia, Samsung, lg, Motorola etc.
This sim card is your mobile identity on particular gsm network. These gsm sim provider lock your mobile phones say htc or lg mobile with a particular sim card, so that you cannot access other gsm network with your htc or lg mobile phones. You can say your lg or htc mobile is lock with that company and you need to unlock your lg or htc phone to use other network. Such mobile locking is fine if you are given mobile on discount rate but if you have bought new smartphone and paid full amount than such locking is frustrating.
There are many programs available to unlock phone for free. But this program cannot unlock all the cellphones. If you have latest devices model you cannot unlock it by such free programs.
There are different ways you can unlock your mobile.
To generate unlock code you need 1) Imei number of your lg, Samsung, Nokia mobile.
2) Then country where your mobile phone is locked, country code and network code for your at&t, t-mobile, cricket sim card.
3) Model of your android smartphone like lg v10, lg v20, k7, lg stylo or Samsung galaxy note, Samsung galaxy edge.
There are many apps available to generate free code for your t-mobile sim or at&t sim. Such apps generate unlock codes as per your smartphone model.
Once you have generated sim network unlock pin. Insert new sim to your phone and restart it. Now it will prompt for enter sim network unlock pin. Enter you sim network unlock code. Lg mobile allow 10 attempt for unlocking, Samsung mobile also allow 10 attempt for unlocking but Nokia only allow 3 to 5 attempt for unlocking.
Unlocking by flashing.
When gadgets are locked such locking is done at software firmware level. So if you entirely replace it firmware software android OS than smartphone will be unlocked. Normally for flashing you first download custom ROM form some reliable online source. If you have downloaded original mobile ROM than you are not able to unlock device.
Boot loader unlocking method
Many of lg model, lg company provides free boot loader unlock file. Htc and Motorola mobile also provide free boot loader unlocking file. For that you first visit company’s boot loader unlocking website. Provide your Imei number and email address. Once it verifies that your handset is eligible for unlocking, you will get boot loader unlocking file on your email address.
Getting sim unlock code from customer care
If you have paid all due amount of cellphone. Then call to customer care and ask for code. Customer care must provider you unlock code for simcard. Some gsm company has term that you must use sim card for at least 6 month. If both of above condition are fulfilled then you can unlock your phone.
Benefit of unlocked phone
When your mobile is unlocked you can use any gsm sim card. There is no restriction of sim card. You can sell smartphone and resell value of cellphone will be higher than locked mobile. If mobile support dual sim then you can use two different sim card on same device while locked device can only use one sim card. On unlocked phone you can use any number of gsm sim card.
More information visit http://mobile-cellphones.blogspot.com/2017/09/how-to-sim-unlock-t-mobile.html
I am gadgets friendly and content writer. My mobile site provide carrier unlock code for iPhone, Samsung, lg, Motorola and Nokia mobile. It has latest information about 5g mobile technology and detail information about 5g spectrum band.
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