Seen it on an others evo not rooted. But with as many failed tries on 2 diff methods to get 1.4 to update, i have same failed attempts to get 1.77 to flash
Running netarchy 'ota 2.2 final odexed rooted' rom he launched after 2.2 came out.
HTC OTA Froyo 2.2, *FINAL*, build 3.26.651.6 (Rooted) Odexed - xda-developers if it matters. Full root step 1 & 2 with nand unlock. Not switching to unrevoked root just to get the update.