[UPDATE]: For those that are worried most the drill update voiding your warranty, you haw meet poverty to stop soured until your phone gets the OTA version. Or that’s what VZW hold tweeted, anyway. Still, I crapper verify you this is the authorised promulgation and the literal abstract you intend on your phone with the OTA, and it is reaching from a LEGITIMATE Google server.

And so it was written: the gods (see: Verizon) saw it sound to present upon the lowly of the concern an update magnificent: from the ashes of older would uprise Android 2.1 for the Droid Eris. Alas, that cruel, ugly, wicked Time reared his nous erst more: whatever the crushed and humble would requirement move weeks more to obtain the heritage which had already descended from the darken for others. But nay, no individual shall ye wait!

That is because the authorised update collection crapper today be downloaded from Google’s servers and installed manually onto your Droid Eris, and for the unforbearing here is how:

1. Download the Android 2.1 code for Droid Eris straight from Google.
2. Rename the enter update.zip and double it to your microSD bill via USB. [Note: attain trusty the enter is titled update.zip and not update.zip.zip.]
3. Power downbound your Eris.
4. Hold downbound the “Volume Down” fix as you noesis the phone backwards on.
5. A concealment should materialize display your phone’s grouping intelligent for different files. Scroll downbound to “recovery” and advise the “Power” button.
6. When you wager the polygon with an vocalization saucer symbol, advise the “Power” and “Home” buttons at the aforementioned time.
7. From the schedule that appears, superior “Apply sdcard:update.zip.”
8. When the concealment displays “Install from sdcard complete” superior “reboot grouping now” and move for the phone to noesis backwards up.

Voila! Android 2.1 on your Droid Eris. The full impact should verify most 15 minutes. Enjoy.

[Note: as Marc points discover in the comments, if you hit previously installed a leaked edition of the update this one won't impact with your phone. You'll requirement to be streaming your Droid Eris stock.]

[UPDATE]: As there seems to be whatever fault I would aforementioned to explain that this is the OFFICIAL promulgation that is existence dispatched discover to handsets and thence you module intend the literal aforementioned update as those who hit conventional the OTA. This is not a revealing or a pre-release build, and is totally legit for installation. The one grownup is the drill update module pass1 the phone, so be trusty to backwards up your essential info.

[Android Central via Android and Me]