SIM unlock code of all HTC is available, which means HTC 6900 can be unlocked easily with the correct unlock code. It is a fast and secure way to unlock the phone by IMEI. You can unlock all HTC 6900 devices from any network around the world. 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 correct 15-digit correct IMEI by dialing *#06# on the phone.
A warranty is not avoided by unlocking the HTC 6900 by code. It is the HTC manufacturer's suggested method for unlocking the phone by code.
The unlock code of HTC 6900 comes from the database of manufacturer or network provider, which means it will work 100%.