Google Nexus SCarrier:
/ Language: Switzerland / EnglishOS
/ Browser / build number (if applicable): Android 4.0.3, Default
Android Browser 4.0.3-239410, Build number IML74K
Build version 22.214.171.124410
have upgraded my Google Nexus S to Android 4.0.3 (official OTA
upgraded) and, after that, the Instant Upload does not work anymore
Android 2.3 it was working fine on my Nexus S, i.e. every time I
enabled the WiFi, my phone's photos and videos were automatically
uploaded in background without any problem.
Google+ Instant Upload settings are:
Upload photos only when there is a Wi-Fi connection available.
photos only when there is a Wi-Fi connection available.
Roaming uploads : Disabled.
Battery uploads : Disabled
for your help on this issue.
let me know if you need additional information.