HTC ThunderBolt

This states that they will push the update for mobile hotspot to your phone with or without you doing the S/W update.


Reminder: The Unlimited Mobile Hotspot (MHS) and Mobile Broadband Connect (MBBC) 4G LTE limited time promotion ends 07/06/11. Effective 07/07/11, a $30 monthly subscription fee for Mobile Hotspot and Mobile Broadband Connect will apply for customers who choose to continue using the service.

Notes:

The MHS and MBBC monthly subscription plan will only be available with an unlimited data package of $29.99 or higher.
If the customer is using a grandfathered data package with a limited monthly data allowance (such as the $15/150 MB (Megabyte) data package that was available last November - January), the customer will not be able to subscribe to the 4G LTE Smartphone MHS and MBBC plan.
Unlimited Mobile Hotspot / Mobile Broadband Connect Subscription after 7/6

After 07/06/11, ThunderBolt, DROID Charge by Samsung and LG Revolution customers who wish to continue to use Mobile Hotspot and Mobile Broadband Connect will be prompted upon initiating a MHS / MBBC session to self provision the new $30 MHS / MBBC for 4G LTE Smartphone option.

In order to end the promotion, a device maintenance release (MR) is required. The device MR is an automatic update pushed to the customer's 4G LTE Smartphone.
Existing customers using 4G LTE Smartphones will not be able to subscribe to the 3G Smartphone MHS/MBBC $20/2 GB option.
After 07/07/11, new 4G LTE Smartphones customers may select from the currently offered data packages that include MHS/ MBBC.