This issue seems related to the wifi problems pre 4.2.2. The 4.2.2 update somehow made the issue worse.
After I updated my HOX to 4.2.2,wifi went from 2 bars to zero. And when it connected it would constantly disconnect. Seeing that some ppl had theirs fixed after sending it back, I tried the well documented coin trick - the same 'fix' for those having poor wifi performance before the 4.2.2 was even released. And it worked! I am now getting full bars where I was getting one or 2 bars before the 4,2.2. update.
Guess I've always had that issue before the update but my wifi was working and didn't think much of it..it just wasn't working optimally. Now it is.
Coin trick is basically placing a coin between the back camera apeture and the volume controls..need a case for this to work.