Is everyone else's tablet taking longer for full start up. It takes 1:49-1:51 to start up when it used to take only 43 seconds.

My TN7 was booting in 36 secs pre 2.5 update. It takes 85 secs after update.

greencd43
Using the ES File Explorer app that came with the 2.5 update I am able to copy a file to/from my SD card and also delete a file from it, but renaming a file did not work.
I have not been able to do this since the KitKat upgrade. 
Anyone else tried it?
Is this a new version of ES File Explorer or was it able to do this on previous versions?

I don't think it has anything to do specifically with ES File Explorer. They included it with the latest update so that it would be a system app with the proper permissions to write to the SD card. I've been using ES for years and never had issues except with KitKat, and that's Google's fault, not ES's. Hopefully Google will wise up and fix this with Android L since being able to write to SD/USB devices was always a big selling point of Android over iOS.

I finally decided to do the whole enchilada...updated from OTA 2.1 all the way through to 2.5 and upgraded to the KitKat release (4.4.2).  One very annoying thing that all or one of these updates solved for me was being continually asked whether I wanted to use Chrome or Youtube every time I wanted to play a video from within a browser.  Choosing the "Always" button had no effect either because I would get asked all over again even if I retried playing the same exact video.  That problem is finally gone.  After updating, I was asked one time, I made my selection and now it is not nagging me with that question anymore...hallelujah!
 
As to the boot/start-up time, I was running ~34 seconds from  holding down the power button until I got the main screen painted and up.  After all these updates, the time is the same.  I typically just use the TN7 for browsing the net, online forums, watching YouTube videos, email and taking notes.  So, I can't comment on anything beyond that being affected by these updates.  The TN7 is still as snappy as it was before and all the apps that I use are working just fine, audio is still just as strong too (for YouTube videos).

Same here with the non responsive screen.

texinga
I can consistently solve the unresponsive screen (or portions of the screen that don't respond) by doing the momentary on/off routine that I shared above.  Just had to do it again a minute ago and it happens multiple times a day.  This is probably one of the more aggravating things with the TN7 and I rarely had to do this on other (non Nvidia) Android Tablets that I've owned (but they had their quirks too).  Seems that this TN7 (and/or KitKat/OTA combos) is now prone to this weirdness.  This kind of stuff clouds my opinion of buying more products (either Nvidia tablets or maybe Android-based in general).

I've always had an issue where if the screen wakes from opening the cover, the touchscreen sometimes acts all wonky, but a quick off/on with the power button fixes it, and it never happens to me if I just use the power button (I rarely put the cover on as it's too flimsy and just makes holding the tablet awkward). It's a specific issue involving the magnetic sensor that wakes/sleeps the screen from the slide cover, and it's been happening literally since day one (I've had mine since launch).

texinga
 
Good point and I usually flip that cover closed every time I'm through using the TN7.  I'm gonna try your method to see if that helps things for me too.  Thanks for the tip! 

I actually confirmed this quirk a while back by using a small magnet; I would use it as a quick way to wake/lock the screen, and whenever I would wake it by sliding the magnet over, the same issue would happen. I'm not sure why they still haven't fixed this after nearly a year, and I'm starting to get the impression it won't ever get fixed as Nvidia is already treating this tablet as yesterday's news, even though it's only 9 months old. As much as I want a Shield Tablet for its tech, I'm not sure I'd buy another Nvidia tablet after seeing the way they're abandoning this one so soon. Perhaps I'll just wait for the next Nexus.