Download the latest version of SIM Card for Android. An app that shows you information about your SIM card. Android / Tools / General / SIM Card. Part 1: How to Unlock Android SIM Card for Free. If your phone is locked, you can get in touch with the operator who locked the phone. This is the first choice we should consider. In order to unlock the SIM card of your Android phone, you must first obtain IMEI number, which is the unique identifier to. The USB Cell Phone SIM Card Cloner provides a trouble-free way to copy your data from one SIM card to another. The SIM cloning tool comes with dedicated software and a USB adapter. You can attack your SIM card to the adapter and connect it to your system. Later, you can use its SIM card clone app to copy it.

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Home > Resources > Unlock Android Phone SIM Card without Code

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As we know, we need to buy a SIM card from mobile carrier in order to make phone calls or send text messages. The fact is that each mobile carrier employs different technology for its wireless service. Thus, some of the carries lock the phone to protect the phone from being used with other service providers, which means even you inserted a new SIM card to the phone, it will not work at all. This will be a very bad thing if you travel to another country. So in such a case, unlocking SIM card is an urgent thing for you.

Typically, there are two ways to unlock Android SIM card for now. One is asking the service operator. Well, this is the best way to do that and it is not a joke. However, not all of them are willing to help you on this matter. And they are a lot of requirements listed on their website and you are only qualified to use SIM unlock service once all the conditions are fulfilled. Anther way is using Android SIM Unlock software. The two methods will be demonstrated clearly in the follow parts.

Part 1: How to Unlock Android SIM Card for Free

If your phone is locked, you can get in touch with the operator who locked the phone. This is the first choice we should consider. In order to unlock the SIM card of your Android phone, you must first obtain IMEI number, which is the unique identifier to your phone. You can find this code by typing *#06# on dial pad. Alternatively go to Settings ->About Phone ->Status ->IMEI. Then give this IMEI code to the operator. If they found you eligible to the service, then you will receive a PIN code soon. Then you can use the code to unlock the phone once a new SIM card being inserted.

This method applies to the following but not limited to those mobile service providers: T-Mobile, Verizon, AT&T, Sprint, Vodafone, EE, Virigin Mobile, O2, Orange, etc..

However, sometimes carrier does not want to give you the unlock code for certain reasons. If you found out your Android phone is locked with a particular operator, and they are not helping you with that. Create bootable usb from iso download torrent. The first thing you should NOT do is go to Google Play and try to unlock the SIM with some apps. These services have a very poor reputation and most likely frauds.

Part 2: Unlock Android SIM Card with Reputable Unlocking Software

You need to look for a reliable service or software that makes this operation in safe place. It is very difficult for you to choose the best because you can't tell which one is good or bad. To make your search easier, we recommend a better solution to unlock Android SIM card: Android SIM Unlocker . It is a legal and safe method to unlock Android SIM card. What is more, SIM unlocking is only a feature of the program, you can find several other useful tools such as data backup and restore. If you have deleted important files unintentionally on the phone, the program will be a great help to recover the lost data. To unlock Android SIM card, please just follow the steps below.

Step 1 Download and Install Android SIM Unlocker

Download Android SIM Unlocker by clicking the above button and install it on your computer. Launch the program and you will find the option 'Android SIM Unlock' in 'More Tools', which is displayed on the left sidebar.

Note: Please don't disconnect your phone from the computer during the whole process.

Step 2 Connect Android to Computer

Turn on USB Debugging mode on the phone and connect the phone to computer with USB cable. The phone will detected automatically by the program, just click 'Next' and follow the instruction on the screen.

Step 3 Enter into Service Mode on Android

You will see on the screen that you need to get the phone into 'Service Mode'. Now, open the dialpad and enter one of the codes: *#0808# or ##3424# or #9090#. One of them should work your phone. After inputting this code, you will automatically enter the 'Service Mode'.

Now on the 'Service Mode', you have to select DM + MODEM + ADB or UART[*] or CDMA MODEM from the menu.

Step 4 Start Unlocking Android SIM Card

When you have selected the options properly, just click on 'Unlock'. Then the SIM card unlocking service will be initiated and it will be done in a few minutes.

Step 5 Restore Android Phone to Normal State

Once the phone was unlocked successfully, click 'Restore Mode' to get back the phone to normal mode. Dial: *#0808# or ##3424# or #9090# on the phone and select MTP + ADB or USB[*] or PDA from the menu. Then just click 'Next' on the program, your Android device will go back to its normal mode. For now, you can insert new SIM card without any limitation.

Part 3: How to Unlock SIM Card for Rooted Android Phone

For new Android devices powered by Android 5.0 and later, you should root the phone first. Then connect the phone to computer and launch Android Data Recovery on the computer. Now click 'Unlock', the phone will be unlocked in a few minutes. The whole unlocking task is done in background and you don't need to type anything on the phone, which is much easier than the above method.

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In the end, Unlock Android SIM Card is not a simple task but with Android SIM Unlock, it's not complicate either. However, we request you to carefully consider the pros and cons of this SIM unlock process. And don't give your phone to anyone who claims to help you unlock the phone. According to online community's feedback, there are a lot of scams in this kind. Please be careful.

One more tip: what is to do if your Windows computer locked by hackers? You can easily unlock it with the assistance of Androidphonesoft Windows Password Recovery tool.

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[Jason Gin] wanted to reuse the SIM card that came with a ZTE WF721 wireless terminal he got from AT&T, but as he expected, it was locked to the device. Unfortunately, the terminal has no function to change the PIN and none of the defaults he tried seemed to work. The only thing left to do was crack it open and sniff the PIN with a logic analyzer.

This project is a fantastic example of the kind of reverse engineering you can pull off with even a cheap logic analyzer and a keen eye, but also perfectly illustrates the fact that having physical access to a device largely negates any security measures the manufacturer tries to implement. [Jason] already knew what the SIM unlock command would look like; he just needed to capture the exchange between the WF721 and SIM card, find the correct byte sequence, and look at the bytes directly after it. Download game need for speed underground 2 untuk pc.

Finding the test pads on the rear of the SIM slot, he wired his DSLogic Plus logic analyzer up to the VCC, CLK, RST, and I/O pins, then found a convenient place to attach his ground wire. After a bit of fiddling, he determined the SIM card was being run at 4 MHz, so he needed to configure a baud rate of 250 kbit/s to read the UART messages passing between the devices.

Once he found the bytes that signified successful unlocking, he was able to work his way backwards and determine the unlock command and its PIN code. It turns out the PIN was even being sent over the wire in plain text, though with the way security is often handled these days, we can’t say it surprises us. All [Jason] had to do then was put the SIM in his phone and punch in the sniffed PIN when prompted.

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Could [Jason] have just run out to the store and picked up a prepaid SIM instead of cracking open this wireless terminal and sniffing its communications with a logic analyzer? Of course. But where’s the fun in that?

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