How to SIM unlock the HTC One (M8) for free - HTC Source
So, you picked up the all new HTC One (M8), but now you’re wondering what you need to do to unlock the phone’s SIM slot. . If you purchased an unlocked international phone, you can pop in any SIM card you want and go about your business. But that option is typically not available if you purchased a subsidized HTC One (M8) through a service provider.
Luckily, there there are a few options which will all you to get your hands on a SIM unlock code for the HTC One (M8). If you want the quickest option and are willing to pay, you can get a SIM unlock code for the HTC One (M8) for only $12.95. But we have a better solution if you don’t mind waiting a few days. If you want to unlock your carrier-branded HTC One (M8) without opening your wallet, call your service provider and simply ask them for the SIM unlock code to your HTC One (M8). The only catch is that each service provider has a few criteria which must be met before they give up the unlock code for the device.
US service provider US unlock policies
AT&T: account has been active and is in good standing for at least sixty days; phone is paid off or service commitment has been fulfilled.
T-Mobile: phone has been paid off.
Sprint: account has been active and is in good standing for at least 90 days.
Verizon: the HTC One (M8) from Verizon is SIM unlocked right out of the box.
While we only list the SIM unlock policies for the US, service providers in Europe and Asia typically abide by the same rules. If you do not meet the criteria required by your service provider, a third-party SIM unlock service for your HTC One (M8) is your only other option.
Obtain your HTC One (M8) SIM unlock code from your service provider
In order to SIM unlock your HTC One (M8), you must have your IMEI number and a nanoSIM card from another service provider.
- Locate your handset IMEI number within Settings > About Phone > Phone Identity > IMEI
- Write down your IMEI number
- Call your service provider: (AT&T: 1-800-331-0500; T-Mobile: 1-800-866-2453; Sprint: 1-888-211-4727)
- Ask customer service for the SIM unlock code for your HTC One (M8)
- Customer service will ask for your IMEI number and will fill out a request form. Once the SIM unlock code request form for your HTC One (M8) is processed, the code will be emailed to you (typically 1-3 days later)
SIM unlock the HTC One (M8)
- Once you receive your SIM unlock code, turn off your HTC One (M8)
- Remove the nanoSIM card from the phone
- Insert a nanoSIM card from another service provider and turn the HTC One (M8) back on
- When prompted, enter SIM unlock code provided by your service provider
- Enjoy your HTC One (M8) on any GSM carrier of your choice.