Hasta La Gadget!

Sprint said Monday that it was currently pushing an over-the-air maintenance release to users of the Spring EVO 4G phone, with improvements to both Wi-Fi and Exchange.

The software version
1.47.651.1 can be either be manually downloaded by going to “Settings > System Updates > HTC
software update,” or it may be automatically pushed to the phone.

Below, Sprint lists what the update includes. Note that Sprint has also included an explicit warning about not trying this with a so-called “rooted” phone, as rendering it inoperable (bricking it) is a real concern. It also appears that two or three cycles may be common, before the phone boots back to the main OS desktop.

Update includes:

• Improvements to Wi-Fi
  performance
• Exchange Active Sync improvements, including fix to
  issues with new account setup, PIN policy usage and Exchange Calendar
  2010 Sync
• Addresses Facebook sync issue which can improve
  battery performance

Download
Timing:

• Customers will be notified that an update is
  available. The download will take a couple minutes (depending on the
  device connection) and the install will take a couple minutes which
  includes an automatic power cycle. Download will take a couple minutes
  if in 3g coverage.
• HTC servers will push the OTA update on a
  daily basis.
• FOTA server will check for old software version and
  prompt once a day on units without the latest firmware until customer
  accepts.