The HTC One Max is able to be Sim Unlocked!
You can easily unlock yours by following this free tutorial. Below we’ll show you step by step what you’ll need to do to unlock this phone.
- You MUST have an unlocked bootloader
- You MUST have a rooted phone
- 4.3 stock Android ROM
- You may also need SuperSU
It’s very important that your phone already have an unlocked boot loader and is already rooted. If you attempt to free unlock your HTC One Max without having these done, then you will run into errors and potentially can damage your device.
Free Unlocking Tutorial
The HTC One Sim Unlock Helper will allow you to unlock your phone for free with ease. Otherwise you will need to manually perform the phone unlock using commands via terminal emulator on your phone.
You’ll need to use the app root explorer to find and rename HTCOMADM_SPCS.apk and HTCOMADM_SPCS.odex. You want to rename these files something different so that you can replace them temporarily. Also make sure that you keep a backup of these files that you rename, just in case.
After you have rename these files copy the HtcOMADM_SPCS.apk file that is attached to this unlock tutorial. You’ll need to copy this file the same directory (/system/app) making sure to set the permissions to rw-r-r. After you have done this, you should go ahead and reboot the phone.
Sim Unlock Helper Method
After your phone has rebooted you’ll need to open the HTC section within the sim unlock helper. It may say that the ACC one device check failed, if it does click on the three dots and click on display sim unlock log. Now if you hit the back button, it should say that your phone has been verified. After this, you may hit start and go to the bottom and click on simlock. Your phone may freeze up momentarily but after it does is show say process successful. Reboot your phone and insert a GSM sim card.
Manual Hidden Menu Method
If you are unable to find the helper app don’t worry, we can access the hidden menu on your cell phone and still unlock the device.
Run the following command in Terminal Emulator app:
am start com.redbend.vdmc/com.htc.omadm.test.TestMainActivity
Then scroll down and select Simlock Done
Success, Phone is Now Unlocked
If all went well and you did not receive any weird error messages, then your phone is now completely unlocked! You may now use your phone with any GSM carriers such as T-Mobile, AT&T and many others.
Enjoy your newly free unlocked HTC One!
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