Unlock HTC One A9
This is how to Unlock HTC One A9 phone from any GSM carriers such as Rogers, Telus and AT&T.
When you insert a SIM card that is not from the original carrier, your device will ask for the "SIM Network Unlock PIN". Simply enter the 8 digit Network Unlock Code we email to you and this will permanently unlock your HTC One A9 to be used with any GSM carrier.
When you place your order for your HTC Network Unlock Code, the Network Unlock Code will be emailed to you once it has finished processing. Once unlocked, your HTC will be permanently unlocked for another GSM Network.
Here is a video of a similar HTC M8 being unlocked!