How to unlock the ATT non contract machine Nokia LUMIA520 ? 60

ATT contract machine unlocking One situation is the official solution The official lifts the network restriction This** will not be cheap Because you need to pay the default fee to hundreds of yuan Basically, you buy a lock machine and then unlock This price is enough to buy a non-pin I don't know if there is a card in this regard But Nokia mobile phone It is really not recommended to buy a pin machine The ** of the parallel market is already cheap And the lock does not have many other functions.

Of course, the other kind is called hard decomposition, which needs to be disassembled and rewritten, and it is risky, and it is easy to cause problems such as virtual soldering.

AT&T is a contract machine.

Here's the tutorial.

Use this method if you have forgotten or lost your password.

Use this method if you can't turn your phone on completely when you press the power key.

Note: This method doesn't show a warning about data loss!

Nokia Luxe phones with Windows Phone 8.

Step 1.

Make sure the charger is unplugged.

1.Turn off the power.

2.Press and hold the volume down key and connect the charger, if successful, an exclamation point (!) will appear on the screen

Step 2.

Then press the keys in the following order:

1.Volume up.

2.Volume down.

3.Power supply.

4.Volume down Step 3.

The phone performs a reset and turns on automatically. Please note that this may take a few minutes. Nokia HTLV phones with Windows Phone 7 Make sure the charger is unplugged.

1.Turn off the power.

2.Press and hold the volume down button and the shoot button.

3.Press and hold the power button.

4.When your phone vibrates, release the power key, but continue to press and hold the volume down key and the shoot key until your phone restarts.

If it's not unlocked, the Chinese operator can't use it at all.,It's Unicom Mobile or something.,You can only use the ATT operator in the United States.,And now you can also upgrade like other mobile phones.,Isn't it upgrading Lumia Black recently?,If you don't unlock it, you can't upgrade.。

That is, you have to keep using it for a few years to unlock it.

You'll need to call Sprint Customer Service and let them know that you've purchased a full-price machine and that you need to unlock it. However, according to Sprint's international user unlocking policy, they will tell you that you need to use the Sprint service for 90 days (i.e. three months) before you can unlock it.

verizon\at&t\t-mobile

The full price machines of the three major operators in the official Apple retail stores are all A1533, so some people say that the A version is A1530, which is incorrect.

Verizon (V-version for short).

Full-price machines (bare metal) purchased at Apple's official retail or Verizon stores are unlock-free, and the V-version contract machines are also unlock-free.

The V version of the unlocked machine is compatible with the domestic three networks.

The V-version is compatible with Verizon AT&T T-Mobile and has not been tested and verified by Sprint.

AT&T (abbreviated as version A).

The A version of the full-price machine (bare metal) purchased at Apple's official retail store is unlocked.

The full-price machines purchased at the AT&T office Radioshack Target Walmart Bestbuy are still locked.

The A version of the unlocked device is compatible with T-Mobile carriers in the United States.

After getting the A version of the unlocked phone, please do not use the AT&T SIM card that comes with the machine to activate the phone, for the sake of safety, take out the SIM card that comes with the machine when it is not turned on.

Nokia 520 settings double-tap to wake up: phone settings - touch - turn on double-click to wake up.

The Nokia Lumia 520 is an entry-level WP8 smart model, with a 1GHz dual-core Qualcomm processor, a 4-inch ultra-sensitive capacitive touch screen, and a unique all-in-one texture appearance of the Lumia series.

Update the system to black settings in the Touch settings.

To be officially explained. If you want to apply for ATT by yourself, you will need an ATT account. If you are not an American, it is more difficult to annihilate or have American friends.

Or go to a place like tao bao and find someone to help you solve it.

There are three types of U.S. versions: one can be used for telecommunications, one is mobile and universal, and one is called sim free, which can be used by all three companies. Non-contract machines are the same as unlocked machines, but there are also the first three types.

There is a sprint machine that can be used for three nets when you get it back, but if you go to the United States, you may use a sprint net.

Is the American iphone5 non-contract machine the same as the unlocked phone? Butterflies complement.

Activate the card on the remote management, and use the computer to restore the system after flashing the machine.

ATT does not have a one-year peace treaty, the United States is very simple, just a two-year contract, or no contract.

This contract machine doesn't need money when it's discounted, you sign up for free, and it's generally $49-99 when there is no discount.

You don't have to sign a contract at ATT, you can go to the major electrical stores in the United States, and some stores will give you free of charge, if you sign a contract.

ATT's lowest ** is a month 450 minutes (Monday to Friday daytime) + 5000 minutes at night and on weekends and in the network**, SMS single count, must add traffic**, that is, data plan, the minimum is 20 a month, package 250m (what is enough?) ), the last gear is 30 2g, this one is okay. So the minimum monthly price is 70$ a month, and other taxes and fees are added, which is more than 80.

There are still dozens of activation fees when you enter the network.

U.S. signing** is not cheap. It's better to join the prepaid fee. T-Mobile now has a prepaid 4G plan, 70$ a month, **SMS Internet unlimited, you can buy a mobile phone yourself, there is no contract limit, you can stop if you don't want to use it, it's much more cost-effective than ATT, and if you buy a recharge card on eBay, you can even save taxes and fees.

Think for yourself.

There are more prepaid fees in the United States, and there are 45 monthly subscriptions and so on.