How to Sim Unlock Samsung A257? | Samsung Unlocking
SIM unlock code of all Samsung is available, that means Samsung A257 can be unlocked easily with the unlock code. It is fast and secure way to unlock Samsung phone by IMEI. You can unlock all Samsung A257 devices from any network. Once the restriction is removed, you can use all GSM SIM cards on your phone.
We need only 15-digits IMEI to unlock your phone, which you can find by dialing *#06# on the phone.
The unlocking of the Samsung A257 by code does not avoid warranty. It is the recommended method by the manufacturer of Samsung to unlock the phone by code.
The unlock code of Samsung A257 comes from the database of manufacturer or network provider, that means it will work 100%.
How to Unlock Samsung A257?
1. Switch OFF the Samsung A257 phone.
2. Insert any other network provider SIM card.
3. Switch ON the phone.
4. It will prompt for "SIM Network Unlock PIN."
5. Enter the unlock code which is provided by routerunlock.com.
6. Now your Samsung A257 phone is unlocked permanently.
Note: If you have already tried to unlock Samsung A257 with too many wrong codes, then your phone will prompt for "SIM Network Unlock PUK." If your phone prompts for SIM Network Unlock PUK, you need to place the order in NCK+MCK service. Once the MCK (SIM Network Unlock PUK) code is entered on the phone, it will again prompt SIM Network Unlock PIN (Unlock Code/ NCK).
Have any question, let us know before placing the order.
Also check supported networks to unlock your Samsung A257 by code : View Brands.