How to Sim Unlock Oppo A57? - Oppo Unlocking

SIM unlock code of all Oppo is available, means Oppo A57 can be unlocked easily with unlock code. It is fast and secure way to unlock the phone by IMEI. You can unlock all Oppo A57 devices from any network. Once the restriction is removed, you can use all GSM simcards on your phone.

To unlock your phone, we need only 15-digits IMEI. You can find the 15-digit correct IMEI by dialing *#06# on the phone.

Unlocking of the Oppo A57 by code does not avoid warranty. It is recommended method by manufacturer of Oppo to unlock the phone by code.

The unlock code of Oppo A57 comes from the database of manufacturer or network provider, means it will work 100%.

How much time will it take to provide the unlock code for Oppo A57?

The waiting time for an unlocking code of Oppo A57 is 1-5 days.

The average response time for an unlock code of Oppo is 2 days, based on last 100 orders.

How to Unlock Oppo A57?

1. Switch OFF the Oppo A57 phone.

2. Insert any other network provider simcard.

3. Switch ON the phone.

4. It will prompt for simlock / NCK / SIM Network Unlock PIN.

5. Enter the unlock code which is provided by routerunlock.com.

6. Now your Oppo A57 phone is unlocked permanently.

Alternate Method

1. Dial the following sequence on the screen:

*#3988691#

2. Now your phone will prompt for unlock code.

3. Enter the unlock code.

4. Now your Oppo A57 is permanently unlocked.

Have any question, let us know before placing the order.

Another Method:

1. Insert the alternative carrier SIM (which is not working on your phone at present) into the phone and turn on.

2. Wait for the phone to display below the screen.

3. Dial *#789# on your phone.

4. Now your phone will prompt to enter unlock code.

5. Enter the unlock code here and complete the unlocking.