T-Mobile offered to swap out my $240 LG Optimus F3 for the
> $400 16GB Nexus 5, with me paying the $160 difference.
UPDATE:
As you know, the "issue" is that the manufacturers/carriers "imply" that the primary memory is augmentable, when it's actually *not* augmentable with the addition of an sd card:
So, I took up the carrier on their offer to buy a replacement phone, with full value being given for the original phone:
After I swapped out the $200 0MB LG Optimus F3 for the $400 12GB LG/Google Nexus 5, here are the 100 apps (shown on the left) which took up the first 4GB of primary memory:
Below are the 60 or so apps which can be considered "typical" for many users, and which take up at least 2GB of additional primary memory on this brand-new Android phone.
[Communicate] Gmail Email People Hangouts Viber Skype Google Voice
[Social] Snapchat Instagram Facebook Twitter Line Linked-In Google+
[Web] Chrome Firefox Google Search News & Weather
[Map] Google Maps Navigator CoPilot My Tracks Google Earth
[Game] Temple Run 2 Hungry Shark Candy Crush Play Games
[Camera] Camera Focal
[Audio] Phone Pandora Play Music Smart Voice Google Translate Automatic Call Recorder
[Video] YouTube VLC Flixster Fandango Plex
[Files] ES File Explorer Google Drive Downloads Gallery Photos Dropbox iTunes
[Todo] Calendar Clock Keep
[Shop] Calculator Out of Milk Barcode Scanner Red Laser
[Office] Office Mobile QuickOffice Kingsoft Office
[System] Play Store Settings Battery Doctor Clean Master WiFi Analyzer TeslaLED
[Security] Lookout or AVG Prey Device Manager
[Anonymity] Orbot Orweb ChatSecure DuckDuckGo Proxy Mobile Firefox Add-On
If you know of a "typical" app which is missing, please let us know so we can help others not make the same mistakes I idiotically made.