How to Sim Unlock Spark R55a? | ZTE Unlocking

All ZTE devices SIM unlocking code is available, which means Spark R55a can be unlocked easily with unlocking code. This is a quick and safe way to unlock any ZTE device through IMEI. You can unlock all Spark R55a devices from anywhere in the world. Once the restriction has been removed, all GSM SIM cards can be used.

To provide the unlock code, all we need is the 15-digit IMEI. You can find the right 15-digit IMEI by calling *#06# on the phone or via modem/router settings.

Unlocking the Spark R55a by code does not cancel the warranty. This is a method recommended by the ZTE manufacturer for unlocking by code. The unlocking code for Spark R55a comes from the manufacturer’s or network supplier’s database, meaning it will work 100%.


The approximate delivery time for an unlock code of ZTE starts from 1 to 15 days.

The average response time is 4 days (Based on the last 100 orders).

How to unblock Spark R55a?

1. Turn off Spark R55a.

2. Insert any other SIM card of the network provider (ex. In the case of an O2 device, you can use the MetroPCS SIM card).

3. Switch ON.

4. It will ask "SIM Network Unlock PIN."

5. Type the unlock code supplied by

6. Now your Spark R55a is permanently released.

Steps to unlock a modem/router

1. Replace the default SIM card with any other network supplier and connect to a PC using the USB/LAN cable.

2. Open the virtual CD-ROM and install the modem software/drivers.

3. Now launch the software/ WebUI of the modem from the Desktop shortcut.

4. If you are prompted, log in.

5. Now, it will be directed to the unlocking page and prompt for NCK.

6. Type the unlock code supplied by

7. Now Spark R55a is successfully released.

Please do not hesitate to contact us prior to ordering.

Also check the supported networks to unlock your Spark R55a by code : View Brands.