I would like to go Android 2.0 to 2.2, what do I do???

[pb5525]

this is the info off my chinese made mid 7"
Has adroid 2.0 want to go 2.2.
What is the procedure?
======================

kernel ver: 2.6.29-00236-g4f8dbbb-dirty
firmware 1.6
build WMT2.0.1_88
build - donut
donut.eng.howayhuo.20100916.225214
codename rel
Processor Type VIA processor
Processor Clock Speed 533MHZ
Processor Model VIA8505 processor
Mainboard / Chipset Type ARM 11

Thank you for any help!