I have a Sony Ericsson X10 1.3 ghz 1gb of ram, and ever since I got this tablet, which is now 8 months old, it has been very slow, in contrast to my $60 Hisense Sero 7, which I've never gotten a lag spike on, but the Hisense actually is slower, as it is .1 ghz less, but it runs 4.4.2. I have...