How do I enable a disabled SIM card?

To enable/ disable the SIM cards, go to [Settings] > [Dual SIM & Mobile Network], tap [SIM1]/ [SIM2] and toggle on/off [Enable].

How do I enable a disabled SIM?

Open Settings > Mobile Network. Under SIM Card info and Settings, Tap the SIM, and toggle on “Enable”.

Why does it say this SIM is disabled?

SIM Security is a feature that prevents unauthorized use of your SIM. When the feature is enabled, your SIM is protected by a PIN that you must enter before the SIM can be used in the modem or in any other device (such as a mobile phone).

How do I activate my SIM card?

How do you reset a SIM card?

Select the "Settings" icon. Select "Backup & Reset." Select "Factory Data Reset." Select "Reset Phone."

How to Fix No SIM Card, Invalid SIM, Or SIM Card Failure Error on Android ZTE

Why is my SIM card no service?

Restart your phone

The easiest and often the most effective way to resolve a no service or signal issue on an Android or Samsung phone is to restart it. Doing so will reset any processes that may be interfering with your device's performance. Here's how: Turn off your device.

What does ## 72786 do?

Special Code to Reset The Network (SCRTN)

##SCRTN# (##72786# on the phone dialpad) is the code that should be dialed to initiate the process of resetting mobile device network settings. An SCRTN is sometimes referred to as a “network reset” by industry professionals.

Can you reprogram a SIM card?

Unlike standard SIM cards, the identifiers and keys for programmable SIMs can be securely reprogrammed, which means a single SIM can connect to many mobile networks – hundreds, in some cases.

What happens if your SIM is locked?

Then, every time you restart your device or remove the SIM card, your SIM card will automatically lock and you'll see "Locked SIM" in the status bar. Don't try to guess your SIM PIN. The wrong guess can permanently lock your SIM card, which means that you would need a new SIM card.

How do you remove SIM lock?

What is SIM lock code?

Very simply, a SIM PIN is a code, usually between four and six digits, that prevents a SIM card from being used if placed in a new phone, or even after rebooting a phone it's currently inserted into.

What is a PUK code for a SIM card?

The PUK (Personal Unblocking Key) code is a code consisting of 8 digits. It is used to unblock your SIM card when you entered 3 times a wrong PIN code. A card blocked by the PUK code cannot be unblocked; it cannot be used any further and you have to replace it.

Where is PUK code located?

Your PUK code is the 8 digit number found on either the SIM or the additional SIM packaging. By default, your PIN code is the last 4 digits of your PUK code – but obviously if you've changed your PIN code yourself, this will no longer apply.

How can I get my PUK code online?

What is the SIM network unlock?

The network unlock code is a unique code only for your specific phone that is calculated using the IMEI number. Once you enter in this network unlock code into your device your device would be free from all network restrictions ( network lock) to allow your phone to accept sim cards from different network carriers.

What is the master code to unlock any phone?

Phones don't have a single master pin to unlock them as each is different to the phone according to what the person makes it when they set it up. Often times they can have a SIM pin that is default to 0000 or 1234 but that is the SIM cards pin and can be changed by the user.

Can you unlock a SIM locked phone?

Unlocking the SIM requires a generated code that is input into your phone via the keypad. It's done to break the link between your phone and the network that shipped it. This enables you to insert a compatible SIM card from a different network and connect to their service.

Can you unlock a permanently locked SIM card?

To unlock your SIM Card, reset the PIN by entering your SIM Card's unique PUK (PIN Unlock Key). Note: Entering an incorrect PUK (PIN Unlock Key) 10 times will permanently lock your SIM Card. If the SIM Card becomes permanently locked, you will need to swap it for a new SIM Card.

How do you program a cell phone SIM card?

You can swap out a GSM phone's SIM card at any time, but you will first need to program the card with your account information. To program a SIM card, you will need to contact your mobile phone provider and have them initiate an over the air (OTA) update that will be wirelessly transmitted to your phone.

How do I reset my cell service?

What does UICC unlock mean on my phone?

Android 5.1 introduced a mechanism to grant special privileges for APIs relevant to the owners of universal integrated circuit card (UICC) apps. The Android platform loads certificates stored on a UICC and grants permission to apps signed by these certificates to make calls to a handful of special APIs.

What is the Sprint unlock code?

For older phones, Sprint will send you an unlock code when you have paid in full for your phone. It will notify you when you are eligible for the unlock code. You will need to contact Sprint customer service at 888-226-7212 to get the unlock code. You can read the fine print for Sprint's unlocking policy here.

How can I activate my SIM card online?