Xperia Arc Graphics Problem

[#1]

After updating my xperia arc to 4.0.4 i have graphics problem my fps from 30 is now 5-10... any help?

[FrontierGate]

Which game?

[#3]

Gun Strike , Lane Splitter , Paper Toss , Siege Hero, Speed Moto , Third Blade , Angry Birds , AirAttack Hd Lite, Defender II , Basketball , N.O.V.A 3