flash not working on 4.0.3. Update plz

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http://androidforums.com – I have a sumvision on 4.0.3 and flash no longer works but flash works on my and my sons tablet (2 different makes) on 4.0.4. Can anyone tell me how to get flas working. or How my to update my sumvision to 4.0.4 Sumvision and pivos don't have these updates. Thx in advance Ian (General)