Fix with various iOS system issues like recovery mode, white Apple logo, black screen, looping on start, etc.
It is important to note that not all phones are SIM locked. You can find out if yours is by checking the device's documentation. If you see the words "unlocked" on the initial receipt then you know that the device is not SIM locked.
Another easy way to find out is to ask your carrier if the device is locked on to their network. You can also just try inserting another carrier's SIM into your device. If it doesn't work, you will know that the device is SIM locked.
If you bought your device from a third party re-seller such as Amazon you are more likely to be in possession of an unlocked device.
If you find that your SIM is locked, here's a few things you can do to unlock the device.
Avoid all of the apps on the Google Play Store that promise to unlock your device, most of them don't work and may even harbour a lot of Trojans and malware that will cause further problems for you and your device.
There are safe and very legal ways to unlock your device. Just try one of the following.
Ask your Carrier to Unlock your Device
This is the best option when you want to safely unlock your device. By February 2015, American cell phone owners got the option to request their carriers to unlock their device for them. Before that the law didn't allow for carriers to unlock SIM cards in the United States. This unpopular law was reversed following a similar move by the European Union in 2013. The same law also requires that the carriers inform customers every month whether their device is eligible for unlocking.
If your device is eligible for unlocking, all you need to do is request the service. But if your Smartphone was bought on a contract, you may need to pay a termination fee to break the contract of you want to unlock the device before the contact term expires. For Smartphones that are not on contract, you have to wait 12 months from the date of purchase and ensure that your bill is paid before the carrier can give you the unlock code.
How to Unlock your Android Phone
To begin with, you need to confirm your IMEI number. Dial *#06# on your device and the IMEI number will appear on the screen. Copy this number to a secure location or wrote it down somewhere.
The next step is to find a reputable service that will unlock your Android device for you. This is action you should take only if you are absolutely desperate and your carrier can't unlock your device for you. This is because many of these sites are unregulated and many of them are not reliable.
You should also know that many of them will charge a certain amount for your service. You can try https://www.safeunlockcode.com/ which is one of the more reputable ones we have found.
You will need to enter the IMEI number as part of the information you need to provide before they can unlock your device.
There are lots of issues you may face when you try to unlock your device. The following are just some of the troubleshooting actions you can take if you encounter these problems.
Unlocking Code Fails to work
If you asked your carrier to unlock your device for you, chances are that they sent you a code. If the unlocking code fails to work double check that the IMEI number you used is the correct one and ensure that you purchased that device from that carrier and then try again.
Samsung Device Freezes during unlocking
If your device freezes during the unlocking process it typically means that you entered wrong unlocking code too many times. In this case you need to contact the carrier for a Master Code.
My LG device won't unlock
There are some LG models that cannot be unlocked. These models include LG U300, LG U310, LG U8180, LG U8330, LG U8120, LG U8360, LG U8380, LGU880, and LG U890. If your device is one of these it can't be unlocked by your carrier. You may need to look into other ways of unlocking your device.
Besides all the different methods, services for SIM unlocking Android devices, there is a much simpler and more reliable tool to help you SIM unlock your samsung devices within 10 minutes and just a few clicks. That is dr.fone - Android SIM Unlock. It can help you permanantly unlock your phone. No risk to your phone or the precious phone data.
The fastest way to unlock your phone.
Step 1. Launch dr.fone on your computer. Select Android SIM Unlock from More Tools tab.
Step 2. Connect your Samsung phone to the computer via a USB cable. Enable USB Debugging mode on your phone. Then dr.fone will automatically connect the phone.
Step 3. For Samsung S3~S7 devices, it reuqires root access for the program to SIM unlock the phone. If the phone is already rooted, you just need to click on Unlock button on dr.fone, then your phone will be SIM unlocked successfully.
For Samsung S2~S4, Note 1~Note 3 devices, it doesn't require root access. After the phone is connected and recognized by dr.fone, you need to set the phone in USB Settings / Diagnostic / Service Mode first.
Dial *#0808# or ##3424# or #9090# on your Android phone. Normally one of these will work for your phone. After you input one of the numbers and symbols, the phone will automatically enter USB Settings / Diagnostic / Service Mode.
Select DM + MODEM + ADB or UART[*] or CDMA MODEM on the phone.
Step 4. After the phone is set properly, click on Unlock. Then your phone will be automatically SIM unlocked.
Then follow the same instruction to set the phone into normal mode. Your phone is now permanantly SIM unlocked. You can use any other SIM cards now.
Here is a popular video with many likes on Youtube on how to unlock your Android device.
We hope you are able to unlock your device. Let us know if your carrier is able to help you unlock your device or if you experienced any issues while unlocking your device.
Product-related questions? Speak directly to our Support Team >>