Upgrading to lollipop, not really worth it. LG v700

A few weeks ago we treated how to recover the system of a v700 tablet from the southkorean brand. After using it for that amount of time we realized it is not worth keep in this android version. Let's mention the pros and cons now;

Pros:
- IR Blaster for QuickRemote still works with the tablet being encrypted.
- FTP now does work with NoRoot Firewall on.

Cons:
- Now dual band WiFi doesn't work, only 2.4ghz
- Higher power consumption
- Higher resources consumption
- Higher rate of "snaps" when loading websites with bad optimized javascript. (Chrome)
- incognito mode still crashes the browser without possibility of recovering browsong sessionsession (chrome).
- LG virtual keyboard is terrible bad and useless it even obstructs the vision under any condition. (Split landscape mode)
- ES File Explorer still crashes when loading movies thru FTP (both old and new versions)

Do you mind to update to lollipop? Better don"t