Network Lock: If you got the device from your network provider, then they may have locked the device only to their network. Region Lock: Some of the Samsung smartphones are designed to work only with the SIM card issued by the default network carrier in certain parts of the world.
What does Network locked SIM mean?
A SIM lock, simlock, network lock, carrier lock or (master) subsidy lock is a technical restriction built into GSM and CDMA mobile phones by mobile phone manufacturers for use by service providers to restrict the use of these phones to specific countries and/or networks.
Why does my phone say network locked?
The term “locked” refers to a devices being “SIM locked”. What this means is that the phone locked to that specific carrier and all the settings are optimized for that carrier. … These reason the phone will typically come locked, is so the customer does not leave their commitment or terminate their service early.
How do I fix my locked SIM?
How to Unlock a Locked SIM Card Manually
- Contact your wireless carrier by calling the toll-free customer service number. (Find this on your provider’s website or a recent invoice.) …
- Power your phone on. You will see a “SIM Locked” or “Enter PUK” message. …
- Type in a new four- to eight-digit PIN code when prompted, then press “OK.”
What is the network unlock code for Samsung?
Go to the dial screen on your phone and, as you would make a call, please dial: #7465625*638*UNLOCKCODE# Now your phone should read the message “Network unlock successful” and be permanently unlocked. If, by using this method, you get the message “Unlock Unsuccessful” please follow this link for further instructions.
Where is the SIM network unlock PIN?
The default PUK code is usually 1234 or 0000. The default PIN code for an AT&T SIM card is 1111 Either way, if you never created a PUK for your SIM, you can easily call your SIM card provider and they should be able to give you this 4 digit SIM PUK number for free.
Can I unlock my phone myself?
The simplest way to unlock your device is to ring your provider and ask for a Network Unlock Code (NUC). Most will provide you with one and some even do it for free once your contract is up. … Your phone company may be able to unlock the handset remotely. There are other unlocking options available.
Can you unlock a permanently locked SIM card?
The SIM card on your mobile phone will become locked if you enter an incorrect personal identification number (PIN) three times. To unlock it you must reset your PIN by entering your SIM card’s unique unlock key (also called a PIN unblocking key or PUK).
Can you unlock a network locked phone?
When a handset is locked it means it will only work with the provider from whom you bought it. If your phone is locked it won’t automatically become unlocked when your contract expires with your provider. You’ll have to specifically ask your carrier to unlock it.
Does factory reset remove network lock?
The network lock is implemented in the phone’s firmware. It can be removed using specific phone unlock codes normally provided by the network customer services or by specialist unlocking companies. … A hard reset clears the data and settings you have put into the phone. It does not affect any network lock settings.
How do you unlock a SIM card?
Your phone can become blocked in a number of ways – one of them is if you enter the wrong SIM card PIN number three times in a row. To unblock your SIM card, you will need to use something called a PUK (Personal Unblocking Key). Remember that unblocking is different to unlocking.
How do you unlock a SIM card without a PUK code?
1. Get the PUK code from the SIM card packaging
- The PUK code is printed on the plastic card holding the SIM. …
- The PUK code might be hidden under a scratchable area. …
- Scratch off the area to reveal the PUK code. …
- Sign in to get the PUK code. …
- Give your mobile carrier a call to ask for your PUK code.
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How do I unlock my PUK number?
How to unlock a SIM with a PIN unlock key (PUK)
- Go to your account overview and open the My wireless section.
- Scroll to My devices & add-ons and choose the device that needs a PUK code.
- Select Manage my device.
- Under See device options, select Get your PIN unlock key (PUK).
What is enter unlock code?
The Network Unlock Code or NUC (sometimes called a Network Unlock PIN or NUP, or Network Control Key or NCK) allows you to unlock a mobile phone from its original network. … If you need to unlock your phone in another way, see our Unlocking your phone page.
Can I unlock my phone without a SIM card?
iPhone IMEI is another online SIM unlocking service especially for iPhone. It can help you SIM unlock your iPhone without SIM card or unlocking code from the carrier. … On iPhone IMEI official website, just select your iPhone model and the network carrier your iphone is locked to, it will direct you to another page.
What is my SIM card PIN?
The PIN is an acronym for Personal Identification Number and represents an access code made of four digits. When you buy a SIM card, you also receive a PIN for it. You need this four-digit code to enable the SIM card once you have inserted it into your phone, to be able to access your operator’s mobile network.