SIM unlock code of all Alcatel is available, which means Alcatel OT S521A can be unlocked easily with unlock code. It is a fast and secure way to unlock the phone by IMEI. You can unlock all Alcatel OT S521A devices from any network. Once the restriction is removed, you can use all GSM SIM cards 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.
The unlocking of the Alcatel OT S521A by code does not avoid warranty—the recommended method by the manufacturer of Alcatel to unlock the phone by code.
The unlock code of Alcatel OT S521A comes from the database of manufacturer or network provider, means it will work 100%.