Tim
We have attempted to throw an active Verizon SIM into the unlocked model of the HTC 10, but it doesn’t work. This really shouldn’t shock anyone, even though the device features the necessary radios to run on Big Red’s network. However, with S-OFF and root achieved for the HTC 10, the good folks at XDA have released a fix for this issue, meaning anyone with an unlocked HTC 10 can now get their device working on Verizon. After all, in our opinion, this is truly what unlocked should mean.
In order to begin this process, you will need S-OFF and root on your HTC 10. To do so, look over the instructions here. Before you get started, though, please note that attempting these types of actions can cause your device to behave unexpectedly. If you feel comfortable doing this, proceed. As a refresher, S-OFF equates to security off, which allows HTC device owners to modify any partition on the device, and changes will not be reset once a reboot takes place. When a device is S-ON, changes are not permanent. For a deeper understanding of S-ON and S-OFF, read this.
Now, it is stated in the instructions that you will need S-OFF and keep S-OFF during your usage of this radio. If that works for you, then really, all that is needed is a single flash of a radio.img via adb. The file is available on XDA from the via link below. For those of you with experience in adb and flashing files, this process will be extremely straightforward. Once the flash is completed, you will select the “CDMA/EvDOGSM/WCDMA/LTE Auto” option from within the secret radio menu. This menu is accessed by inputting *#*#4636#*#* into your dialer and dialing.
At this time, advanced calling features are not yet available, but according to the team behind this, they can later be added once available for the device.
If you happen to have an unlocked HTC, and want it to work on Verizon’s LTE, this is your chance.
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